Entries |
Document | Title | Date |
20080198081 | Broadband Leaky Wave Antenna - An antenna comprises a conically shaped body of dielectric material. Cross-sections of the body have truncated elliptical shape, wherein each shape is truncated substantially through a first focus of the elliptical shape along a truncation line that extends substantially perpendicularly to a main axis of the elliptical shape. The second focus of the elliptical shape lies within the body. An elongated wave carrying structure such as a slot in a conductive ground plane extends substantially along a focal line through the first focus of the elliptical shapes in successive cross-sections. This structure supports transmission and/or reception over a wide range of frequencies. In an embodiment a multi-frequency feed structure is integrated in the ground plane of the antenna. | 08-21-2008 |
20080218426 | ULTRA WIDEBAND ANTENNA - An ultra wideband antenna ( | 09-11-2008 |
20080231530 | DUAL-BAND F-SLOT PATCH ANTENNA - A dual-band antenna includes a planar conductive layer comprising a conductive region and a central non-conductive region. The conductive region and the non-conductive region together define a pair of interconnected F-slot structures, and a loop strip structure coupled to and disposed around the F-slot patch slot antenna structures. | 09-25-2008 |
20080231531 | ANTENNA APPARATUS, AND ASSOCIATED METHODOLOGY, FOR A MULTI-BAND RADIO DEVICE - Antenna apparatus, and an associated methodology, for a multi-frequency-band-capable radio device, such as a quad-band mobile station. The antenna apparatus forms a hybrid strip antenna having a pair of resonant elements. A first resonant element forms a peripheral loop extending about the periphery of a substrate. A meander line extends along a portion of the peripheral loop. And, second resonant element is formed of an L-shaped strip. The peripheral loop is resonant at a set of frequencies, and the L-shaped strip is resonant at a single frequency. Through appropriate selection of the lengths of the resonant elements, the frequencies at which the elements are resonant are controlled. | 09-25-2008 |
20080238792 | Microwave Antenna for Flip-Chip Semiconductor Modules - The invention relates to a microwave antenna for flip-chip semiconductor modules, comprising two semiconductor substrates which are metallized on the surface thereof. Patch antennas, i.e. metallized flat areas which are insulated from the rest of the circuit on an outer surface of a module with a supply line to the circuit, are already known per se. They result in vertical radiation at a relatively large angle. According to the invention, a closed group of bumps are arranged in such a way that the distance of the bumps ( | 10-02-2008 |
20080238793 | Compact Planar Antenna For Single and Multiple Polarization Configurations - A planar antenna comprising a signal path for receiving or transmitting a signal, a conductive layer having a slot formed therein positioned to electromagnetically couple with the signal path, a conductive plate parallel to and overlying the slot and spaced therefrom by a dielectric layer, the conductive plate being electrically in contact with the signal path, and one or more patches parallel to and above the conductive plate. | 10-02-2008 |
20080238794 | Configurable antenna for mixed wireless networks - Methods and apparatus to reconfigure an antenna for use with mixed wireless networks are described. In one embodiment, a switch is coupled between a first portion and a second portion of an antenna to cause the antenna to tune to a plurality of radio frequency bands. Other embodiments are also described. | 10-02-2008 |
20080252538 | Antenna Arrangement - An antenna arrangement comprising a multi-layer PCB ( | 10-16-2008 |
20080252539 | Ultra-Wideband Antenna Array with Additional Low-Frequency Resonance - In accordance with one embodiment of the present disclosure, methods and systems for radiating elements are provided. In a method embodiment, a method of forming a radiating element includes forming a pair of conductive fingers having first and second portions. The first portion is a dipole arm. The conductive fingers are separated by a tapered notch that has a width at a first end that is less than a width of a second end. For each conductive finger, the method also includes capacitively coupling the first portion of the conductive finger to the second portion of the conductive finger. | 10-16-2008 |
20080266194 | Slot Antenna with a Spiral Feed Element for Wireless Communication Devices - A slot antenna for short-range communications between wireless communication devices is described herein. The antenna comprises a radiating plate spaced from a ground plate. A slot in the radiating plate defines the resonant frequency of the antenna. A spiral feed element disposed beneath the slot and between the ground plate and the radiating plate feeds transmission signals to the antenna. The slot antenna may be used in any portable wireless communication device configured to transmit short-range wireless signals, such as Bluetooth® signals. | 10-30-2008 |
20080272971 | WIDEBAND SLOT ANTENNA - A wideband slot antenna according to the present invention is a ¼ effective wavelength slot antenna in which a ground conductor | 11-06-2008 |
20080272972 | VARIABLE SLOT ANTENNA AND DRIVING METHOD THEREOF - A variable slot antenna includes: ground conductors | 11-06-2008 |
20080284670 | WIDE-BAND SLOT ANTENNA APPARATUS WITH STOP BAND - A slot antenna apparatus includes a grounding conductor having an outer edge including a first portion facing a radiation direction and a second portion other than the first portion, a one-end-open feed slot formed in the grounding conductor along the radiation direction such that an open end is provided at a center of the first portion, and a feed line including a strip conductor close to the grounding conductor and intersecting with the feed slot at at least a part thereof to feed a radio frequency signal to the feed slot. The slot antenna apparatus further comprises at least one one-end-open parasitic slot having an electrical length equivalent to one-quarter effective wavelength in a certain stop band, the parasitic slot having an open end at the second portion, and being formed in the grounding conductor so as not to intersect with the feed line. | 11-20-2008 |
20080284671 | DIFFERENTIALLY-FED VARIABLE DIRECTIVITY SLOT ANTENNA - With a differential feed line | 11-20-2008 |
20080291103 | COMPACT DIVERSITY ANTENNA ARRANGEMENT - The present invention relates to an antenna arrangement for a portable communication device as well as to a portable communication device comprising such an antenna arrangement. The antenna arrangement includes a ground plane, a first radiating electrical antenna element provided in a plane arranged at a distance above and parallel with at least a part of the ground plane, where the first radiating electrical antenna element is dimensioned for resonating at least at one frequency, and a second radiating magnetic antenna element provided in the ground plane below the first antenna element and being dimensioned for resonating at the same frequency as the first radiating antenna element. | 11-27-2008 |
20080291104 | WIDE-BAND SLOT ANTENNA APPARATUS WITH CONSTANT BEAM WIDTH - A slot antenna apparatus including: a grounding conductor having an outer edge including a first portion facing a radiation direction and a second portion other than the first portion, a one-end-open slot formed in the grounding conductor along the radiation direction such that an open end is provided at a center of the first portion, and a feed line including a strip conductor close to the grounding conductor and intersecting with the slot at least a part thereof to feed a radio frequency signal to the slot. The grounding conductor is formed to include at least one section at the second portion, the at least one section gradually approaches an axis passing through the slot and parallel to the radiation direction with increasing distance from the first portion. | 11-27-2008 |
20080303731 | MULTI-BAND ANTENNA - A multi-band antenna has a radiating conductor, a feeding conductor and a short conductor. The feeding conductor and the short conductor connect to one side of the radiating conductor, which are arranged close to each other. The radiating conductor has a slot containing an opening portion, a first extension portion and a second extension portion communicating with each other. The opening portion opening at the other side of the radiating conductor and the first and second extension portions extend to different directions. The second extension portion defines a short portion on the radiating conductor. The multi-band antenna is divided by the slot to form an inverted-F portion being similar to an inverted-F antenna to resonate at a first frequency band, and a loop portion being similar to a loop antenna to resonate at a second frequency band. | 12-11-2008 |
20080309570 | Monopole antenna and wireless network device having the same - The present invention discloses an antenna adapted for use in a wireless network device. The antenna includes: a base radiation portion, a connecting portion, a first radiation portion and a second radiation portion. The connecting portion is connected with the base radiation portion and has a slot with two slot sides that are spaced with a first width. The first radiation portion is connected with the connecting portion. The second radiation portion is connected with the first radiation portion, substantially parallel to the connecting portion, and is positioned corresponding to the slot. The second radiation portion has two edges that are spaced with a second width. When the second radiation portion is projected onto the connecting portion along a direction perpendicular to the second radiation portion, one of the edges and one of the corresponding slot sides are spaced with a distance. The antenna is a single component integrally formed by stamping an electrically conductive thin metal plate, which facilitates not only fabrication thereof, but also the assembly of the antenna to a substrate of the wireless network device, and increases the gain of the wireless network device along a vertical direction as well. | 12-18-2008 |
20090021439 | VARIABLE SLOT ANTENNA AND DRIVING METHOD THEREOF - A variable directivity slot antenna includes: ground conductors | 01-22-2009 |
20090033577 | SLOT ANTENNA - A slot antenna is provided. The slot antenna includes a feeding unit of a strip line shape which is disposed on a first surface of a substrate, a ground which is disposed on a second surface of the substrate, and an antenna element which is formed by connecting two sub slots formed on the second surface of the substrate, wherein each of the sub slots is arranged at an edge of the ground in an internal direction of the ground. Accordingly, the size of the antenna is reduced, and more area is provided for arranging components of a terminal. | 02-05-2009 |
20090066596 | SLOT ANTENNA APPARATUS ELIMINATING UNSTABLE RADIATION DUE TO GROUNDING STRUCTURE - A slot antenna apparatus includes a grounding conductor having an outer edge including a first portion and a second portion, a one-end-opened slot formed in the grounding conductor along a radiation direction such that an open end is provided at a center of the first portion, a first feed line intersecting with the slot to feed radio-frequency signals, a second feed line connected to an external circuit, and a signal processing circuit including active elements and connected between the first and second feed lines and connected to the grounding conductor. The grounding conductor is configured to be symmetric about an axis parallel to the radiation direction and passing through the slot, and is provided with a grounding terminal on the axis of symmetry at the second portion. The grounding terminal is to be connected to a ground of the external circuit. | 03-12-2009 |
20090073065 | Tunable Dielectric Resonator Circuit - An antenna comprising a layer of conductor having an edge, and a slot in the layer of conductor wherein conductor is absent, the slot having first and second opposing longitudinal ends and being opened to the edge at the first longitudinal end and not open to the edge at the second longitudinal end. | 03-19-2009 |
20090079647 | Multiple Frequency Band Antenna and Antenna system Using the Same - A multiple frequency band antenna is provided that includes a radiating unit having a slot formed on a first surface of the substrate that is closed at one end and open at the other end, and a feed unit formed on a second surface of the substrate to pass through an area on the second surface that corresponds with the same area on first surface between the center and the closed side of the slot. The feeding unit comprises at least one switch which adjusts the size of an area for feeding power to the antenna. The radiating unit is resonated in a plurality of frequency bands when the switch is turned off, and the radiating unit is resonated in a single frequency band which is different from the plurality of frequency bands when the switch is turned on. Consequently, an antenna is implemented for use in multiple frequency bands. | 03-26-2009 |
20090121952 | Slot Antenna - Impedance matching is achieved in a waveguide of a slot antenna, which is provided with an input waveguide that is fed power via an aperture plane; a stairway structure is provided in the input waveguide; the structure creates a step going upward toward a surface provided with a slot; the step difference and height of the step going upward are adjusted so that the impedance at a plane above the step and the impedance at the aperture plane match. | 05-14-2009 |
20090128434 | CIRCULARLY-POLARIZED DIELECTRIC RESONATOR ANTENNA - The present invention relates to a circularly-polarized dielectric resonator antenna (DRA). The antenna comprises a substrate, a Wilkinson power divider, a phase shifter, a ground plane and a dielectric resonator, wherein the phase shifter is connected to the Wilkinson power divider. Besides, the dielectric resonator is disposed on the ground plane, and includes a dielectric main body and a slot disposed above the substrate. Additionally, the antenna is adopted to increase the linear radiation bandwidth by utilizing the slot, and transceives a circularly-polarized electromagnetic wave by utilizing the Wilkinson power divider. Consequently, the circularly-polarized dielectric resonator antenna can be applied in the fields of satellite communication, Worldwide Interoperability for Microwave Access (WiMAX), and wireless communication. | 05-21-2009 |
20090135075 | Compact Multiband Antenna - The present invention relates to a compact multiband antenna constituted by a first dipole type element comprising a first conductive arm connected to a second conductive arm having the shape of a box, mounted on a ground plane, the first and the second arms being supplied differentially and a second element of the slot type realized on said ground plane in the extension of said second arm. | 05-28-2009 |
20090140942 | Internal antenna and methods - An internal antenna especially aimed at flat radio devices. The antenna ( | 06-04-2009 |
20090140943 | SLOT ANTENNA FOR MM-WAVE SIGNALS - The present invention relates to an antenna ( | 06-04-2009 |
20090153423 | WIRELESS COMMUNICATION DEVICE WITH A MULTI-BAND ANTENNA SYSTEM - Disclosed is an apparatus for a wireless communication device | 06-18-2009 |
20090153424 | DUAL-BAND ANTENNA FOR RECEIVING VHF AND UHF SIGNAL AND COMMUNICATION DEVICE INCLUDING THE SAME - Disclosed herein is a dual-band antenna for a terminal for receiving VHF and UHF signals. A radiator of the dual-band antenna for a terminal for receiving VHF and UHF signals according to the present invention comprises a first patch bent at a part of a distal end thereof, and a second patch electrically connected to the first patch and formed in a spiral shape. A longitudinal portion of the second patch is constructed superposedly in a multi-structure in parallel with that of the first patch, so that the broadband of the VHF and UHF can be covered through an inverted L-shaped folded antenna structure. | 06-18-2009 |
20090167621 | Flat antenna - The present invention relates to antennas of a planar profile coupled to waveguides, and particularly to completely planar antennas, applicable in mobile telephony, radars and space communications, which base their operating on the transmission of electromagnetic waves, mainly in the range of microwaves and millimetric waves, through a thin opening of a height that is less than the wavelength, having corrugations around said opening such that maximized wave transmission as well as the collimation thereof in a defined direction towards leaky waves by means of a resonant coupling mechanism are obtained. | 07-02-2009 |
20090179808 | Antenna Having Wide Impedance Bandwidths Both at Low and High Frequencies - An antenna includes a base element, grounding and feeding points, and first and second radiating elements. Each of the grounding and feeding points is provided on the base element. The first radiating element is operable in a first frequency band, and extends from the base element. The second radiating element is operable in a second frequency band lower than the first frequency band, extends from the base element, and is formed with a slot. | 07-16-2009 |
20090195468 | Slot antenna for a circuit board ground plane - In one embodiment, the present invention includes a slot antenna that is formed on a ground plane of a circuit board. The slot antenna may be connected to radio circuitry adapted on the circuit board by way of a feedline, which is coupled to the radio circuitry and across a portion of the slot antenna. | 08-06-2009 |
20090256765 | ANTENNA - An antenna is provided. The antenna includes a substrate, a feed conductor, a ground layer and a radiation slot. The substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. The feed conductor is formed on the first surface. The ground layer is formed on the second surface. The radiation slot is formed on the ground layer, including a first radiation portion, a second radiation portion and a third radiation portion, wherein the second radiation portion connects the first radiation portion and the third radiation portion, the radiation slot is U shaped, and the feed conductor corresponds to a location between the second radiation portion and the third radiation portion. | 10-15-2009 |
20090256766 | MOBILE PHONE ANTENNA INTEGRATED WITH BATTERY - A mobile phone antenna integrated with a battery, comprising: a plurality of battery electrodes; a dielectric layer separating the battery electrodes from one another; and a slot formed in the battery electrodes; wherein walls of the slot are parallel to each other and the electrodes with said slot are adapted to emit and receive electromagnetic waves. | 10-15-2009 |
20090262036 | To planar antennas comprising at least one radiating element of the longitudinal radiation slot type - The present invention relates to a planar antenna structure comprising at least one radiating element constituted by a longitudinal radiation slot etched onto a substrate. This structure comprises at least one modification element of the radiation pattern positioned in the radiation zone of the radiating element. | 10-22-2009 |
20090278757 | MOBILE TERMINAL HAVING METAL CASE AND ANTENNA STRUCTURE - A mobile terminal including a metal case and an antenna structure that can exhibit optimum radiation performance is provided. The antenna structure includes an antenna having a radiation unit for transmitting and for receiving electric waves, a Printed Circuit Board (PCB) to which the antenna is mechanically coupled at one surface thereof and having a power supply unit electrically coupled to the radiation unit, and a case constructed using a metal material within which the PCB is disposed, wherein the case has at least one slot formed in a surface thereof opposite to the surface to which the PCB is fastened and adjacent to the radiation unit. | 11-12-2009 |
20090284428 | SLOT ANTENNA - A slot antenna positioned on a substrate includes a grounding portion, a radiating portion, and a feeding portion. The grounding portion is positioned on the substrate. The radiating portion is parallel to the grounding portion and shaped like an irregular octagon. The radiating portion includes an irregular slot that is defined substantially in the center of the irregular octagon. The feeding portion electrically connects the radiating portion to the grounding portion for feeding electromagnetic signals. | 11-19-2009 |
20090303145 | POST-WALL WAVEGUIDE BASED SHORT SLOT DIRECTIONAL COUPLER, BUTLER MATRIX USING THE SAME AND AUTOMOTIVE RADAR ANTENNA - A short slot directional coupler includes a dielectric substrate having both surfaces each covered by a metal film, a first via-hole string and a second via-hole string, each of which has via-holes penetrating through the substrate, and formed so that a distance between the first via-hole string and the second via-hole string is narrow at a center of a length direction of the string and wider along directions of both ends of the string, and a pair of third via-hole strings each having via-holes penetrating through the substrate, and formed between parts adjacent to both ends of the first via-hole string and parts adjacent to both ends of the second via-hole string to form a first post-wall waveguide along with the first via-hole string and a second post-wall waveguide along with the second via-hole string. | 12-10-2009 |
20100045556 | Multiband Monopole Slot Antenna - The present invention discloses a multiband monopole slot antenna. The antenna comprises a ground plane, a dielectric substrate, a radiating portion, and a microstrip feedline. The dielectric substrate is connected to an edge of the ground plane and extends toward the opposite direction of the ground plane. The radiating portion is on the metal surface of the dielectric substrate and comprises a first monopole slot, a second monopole slot and a third monopole slot. The microstrip feedline is on the surface opposite to the metal surface of the dielectric substrate. A first end of the microstrip feedline is connected to a signal source, and a second end of the microstrip feedline is an open end. The microstrip feedline passes over the first, second, and third monopole slots. A section of the microstrip feedline which passes over the third monopole slot is parallel to the third monopole slot, and the microstrip feedline is generally of a step shape. | 02-25-2010 |
20100053011 | ANTENNA APPARATUS AND COMMUNICATION SYSTEM INCLUDING THE SAME - An antenna apparatus is disclosed that includes a feeding portion; a looped antenna element connected to the feeding portion; and a resistor inserted into the looped antenna element. | 03-04-2010 |
20100066621 | Ultra wideband antenna with band-notched characteristics - The invention relates to an ultra wideband antenna with band-notched characteristics, particularly to an ultra wideband antenna capable of suppressing transmission and reception in a particular frequency range. The ultra wideband antenna includes: a substrate; a grounding unit, installed on the substrate and scooped with a first slot and a first strip hole; a signal feeding unit, installed on the substrate and including a horizontal portion and a vertical portion, in which the horizontal portion is located in the first slot and the vertical portion is located in the first strip hole; a first complementary, separate, circular resonator; and a second complementary, separate, circular resonator, wherein the first complementary, separate, circular resonator and the second complementary, separate, circular resonator are installed in the horizontal portion of the signal feeding unit and are connected with each other. | 03-18-2010 |
20100090918 | BROADBAND CIRCULARLY-POLARIZED SPIDRON FRACTAL ANTENNA - A broadband circularly-polarized spidron fractal antenna is disclosed. The broadband antenna of the present invention can realize a bandwidth exceeding 70% without using a multilayer substrate to implement the broadband properties, by forming a geometric structure of a slot, i.e., a spidron fractal, which has not been used in the conventional antennas, on the ground surface of the antenna. The present invention can also induce the radiation properties of a circularly-polarized wave from the properties of the spidron fractal shape, without employing an additional secondary circuit such as a phase distribution circuit for implementing the circularly-polarized wave. Due to such properties described above, the present invention can implement a small broadband circularly-polarized antenna that costs less to manufacture. | 04-15-2010 |
20100097281 | ANTENNA STRUCTURE WITH ANTENNA RADOME AND METHOD FOR RISING GAIN THEREOF - An antenna structure includes a radiating element and an antenna radome. The antenna radome has at least one dielectric layer, which has an upper surface having many S-shaped metal patterns and a lower surface having many inverse S-shaped metal patterns corresponding to the S-shaped metal patterns. The S-shaped metal patterns are respectively coupled to the corresponding inverse S-shaped metal patterns to converge radiating beams outputted from the radiating element. | 04-22-2010 |
20100103062 | Slot Antenna - A slot antenna includes a substrate, a radiator, a signal-feeding segment, a signal-feeding end, a first extension section and a second extension section. The substrate includes a first plane and a second plane. The radiator is set on the first plane of the substrate, and includes a slot. The signal-feeding segment is set in a position on the second plane of the substrate corresponding to the slot. The signal-feeding end is electrically connected to the signal-feeding segment, and is utilized for transmitting signals. The first extension section is set on a first side of the signal-feeding segment on the second plane of the substrate, and is utilized for increasing a bandwidth of the slot antenna. The second extension section is set on a second side of the signal-feeding segment on the second plane of the substrate, and is utilized for increasing the bandwidth of the slot antenna. | 04-29-2010 |
20100109961 | Transponder label on an electrically conductive surface and method for placement of a transponder label onto an electrically conductive surface - A transponder label on a metallic base surface has a slit-shaped recess in an electrically conductive surface to form a slit antenna that is used as the antenna for the transponder label. The metallic base surface also possesses a slit that is adapted to the slit of the slit antenna. The transponder label is affixed to the base surface in such a manner that improved transmission and reception properties are achieved. | 05-06-2010 |
20100117915 | Weight-Tapered IL Antenna With Slot Meander - An antenna including a main span extending in a first direction, a first arm extending from the main span in a second direction substantially perpendicular to the first direction, a second arm extending from the main span in a third direction substantially opposite the second direction, a disc portion with a center substantially disposed at an intersection of the main span and the second arm, and a slot having a plurality of portions. | 05-13-2010 |
20100141542 | Antenna With High K Backing Material - An antenna is disclosed. The antenna may have a slotted conductive reference sheet, a first dielectric material and a second dielectric material. The first dielectric material may reside on a first side of the reference sheet, and the second dielectric material may reside on the second side of the reference sheet. The first dielectric material has a first K-value, and the second dielectric material has a second K-value. The second K-value is larger than the first K-value. | 06-10-2010 |
20100149060 | ANTENNA MODULE AND DESIGN METHOD THEREOF - An antenna module is provided. The antenna module includes an antenna and an EBG element. The EBG element includes an EBG ground layer, a plurality of reflective units and a plurality of connection posts. The reflective units are arranged in a matrix, a gap is formed between the nearby reflective units, and the reflective units are corresponding to the antenna. Each connection post connects the reflective unit to the EBG ground layer. | 06-17-2010 |
20100164821 | Multi-Band Antenna - A multi-band antenna is provided. The multi-band antenna includes a grounding element, a connecting element, a first radiating element and a second radiating element. The connecting element is connected to the grounding element and extends along a second direction. The first radiating element is connected to the connecting element and extends along the first direction, wherein the first radiating element, the grounding element and the connecting element are disposed on a first plane and have a resonating slot thereamong. The second radiating element is connected to the first radiating element and extends along a second plane to reach a specific distance, and then turns to be extended on a third plane parallel to the first plane, wherein the first plane and the third plane have a resonating region therebetween. | 07-01-2010 |
20100188306 | THIN SLOT ANTENNA HAVING CAVITY, ANTENNA POWER FEEDING METHOD, AND RFID TAG DEVICE USING THE ANTENNA AND THE METHOD - Provided are a highly efficient thin slot antenna having a cavity, and a RFID tag device. The thin slot antenna can be attached to curved surfaces of a human body, things and the like, and furthermore, has relatively freely deformable flexible characteristics, and has an extremely small characteristic change due to deformation and that due to bodies to be attached to. A bag-like body having a cavity ( | 07-29-2010 |
20100231474 | Metal Pipe Managed By Wireless Tag And Wireless Tag - A metal pipe includes a slot having a predetermined length in a longitudinal direction of the metal pipe and a wireless tag that is placed inside the metal pipe and includes a power feeding unit to feed electric power to the slot and an IC chip connected to the power feeding unit, thereby functioning as an antenna of the wireless tag. The metal pipe is thus managed by the wireless tag. | 09-16-2010 |
20100245197 | DUAL BAND SLOT ANTENNA - A dual-band antenna ( | 09-30-2010 |
20100245198 | QUAD-BAND PCB ANTENNA - A surface mount antenna includes a ground plane, a feed line, and a radiating element. The ground plane extends in a first direction on a first side of a substrate. The feed line extends in a second direction on a second side of the substrate. The radiating element includes a plurality of segments disposed on the first side of the substrate and is configured to resonate in a plurality of frequency modes. | 09-30-2010 |
20100271277 | Slot Antenna - A slot antenna includes a dielectric substrate, and an antenna body that is formed on the dielectric substrate. The antenna body defines an open loop antenna slot that has first and second ends, and an open loop perturbation slot that extends inwardly from the open loop antenna slot, and that has first and second ends, each of which is connected to a respective one of the first and second ends of the open loop antenna slot. | 10-28-2010 |
20100283697 | ELECTRONIC DEVICE AND MULTI-FREQUENCY ANTENNA THEREOF - An electronic device includes a multi-frequency antenna. The multi-frequency antenna includes a ground portion, a support body, a radiation portion, and a strap. The ground portion defines a gap, and two grooves communicating with the gap and located at opposite ends of the gap. The radiation portion resists against a sidewall bounding the gap, and is connected to the strap. The radiation portion is accommodated in the gap and substantially coplanar with the ground portion. The radiation portion defines a slot. The support body is located in the gap and on the radiation portion, to support the strap. | 11-11-2010 |
20100289712 | MULTIBAND CONFORMED FOLDED DIPOLE ANTENNA - A multiband comformed-slotted-folded dipole antenna ( | 11-18-2010 |
20100289713 | SLOT ANTENNA - To realize an antenna made thinner. A slot antenna includes: an antenna element having an aperture slit shaped slot; a reflector disposed by being opposed to the antenna element; a feeding device which is electrically and physically connected to the antenna element and the reflector; a short-circuiting device which electrically short-circuits the antenna element and the reflector; and a frequency switching device, which is provided on the slot, for switching resonance frequencies of the slot. The impedance generated by the approach between the antenna element and the reflector can be improved to prevent mismatching and the distance therebetween can be reduced to make an antenna thinner. | 11-18-2010 |
20100315303 | Folded slotted monopole antenna - A slotted monopole wideband antenna, comprising an insulating rectangular chip mounted on a carrier substrate, said carrier substrate including a feeding structure, and said chip comprising a first side adjacent to said feeding structure, a feed point of the antenna is located near said first side. An electrically conducting lamina is folded over four faces of said insulating chip, said lamina being connected to the feed point at one end, and to ground at another end. At least two slots are formed in an upper section of said folded lamina, said slots having the effect of lowering the principal resonance of said antenna, thereby providing a miniaturized antenna suitable for integration in a mobile wireless communications handset. | 12-16-2010 |
20100321264 | SLOT ANTENNA - A slot antenna located on a substrate with a first surface and a second surface opposite to the first surface includes a feeding portion, a grounding portion and a radiating portion. The feeding portion is located on the first surface of the substrate to feed electromagnetic signals. The grounding portion is rectangular and located on the second surface of the substrate, and defines a circular clearance in a substantial center portion thereof. The radiating portion is located on the second surface of the substrate and comprises at least one elongated microstrip with one end connected to the grounding portion and the other end extending towards the centre of the circular clearance, wherein the feeding portion interacts with the radiating portion to transmit the electromagnetic signals. | 12-23-2010 |
20110032166 | MULTIBAND ANTENNA - A multiband antenna includes a feed portion, a radiating portion, and a ground via. The feed portion includes a first feed section and a second feed section paralleled to each other. The radiating portion includes a first radiator, a second radiator and a third radiator. The first radiator is L shaped with a free end. The second radiator is L shaped with a free end. The free ends of the second radiator and the first radiator extend toward to each other and partially overlap to define a slot therebetween. The third radiator includes a trapezoid section and a connecting section. The short portion includes a first short section and a second short section. The first short section connects the first radiator to the ground via, and the second short section connects the second radiator and the third radiator to the ground via. | 02-10-2011 |
20110037672 | TRIPLE-BAND ANTENNA WITH LOW PROFILE - A multi-band antenna includes a grounding element having an edge and a grounding point, a first radiating arm being substantially of L shape and located above the grounding element, a second radiating arm working at a first frequency band and being substantially of L shape above the first radiating arm, a third radiating arm working at a second frequency band and being substantially of rectangular metal patch parallel to the edge of the grounding element, and a feeding line including an inner conductor connected to the first radiating arm and an outer conductor connected to the grounding point of the grounding element. The feeding line, the first radiating arm, the grounding element commonly compose a slot operating at a third frequency band. | 02-17-2011 |
20110057850 | PRINTED ANTENNA - A printed antenna includes a feed portion and a radiating portion. The feed portion feeds electromagnetic signals, and includes a feed end and a connection end. A width of the feed portion is gradually increased from the feed end to the connection end. The radiating portion includes a first radiator and a second radiator. The first radiator is elongated, and connects to the connection end of the feed portion. One end of the second radiator is connected to the first radiator, and the other end is free. The free end is bend and bent along the feeding portion, and defines a slot between the second radiator and the first radiator and the feeding portion. | 03-10-2011 |
20110090128 | Transmission Line Slot Antenna - A transmission line slot antenna is described. Although more generally applicable, the antenna is particularly adapted to conformal applications. The antenna has a ground plate with a conductive top surface having a slot with a feed whose ground reference terminal is connected to one side of the slot and whose signal terminal is connected to the other side of the slot. A conductive cylindrical screen, which can be of an arbitrary cross section and non-uniform in the longitudinal direction, is formed of one or more sections attached along the bottom surface of the ground plate, with each of the sections having a first and second edge conductively connected to the top surface of the ground plate along opposite sides of the slot. The antenna is tuned to support the fundamental mode (H | 04-21-2011 |
20110095954 | MULTI-BAND DIPOLE ANTENNA ASSEMBLIES FOR USE WITH WIRELESS APPLICATION DEVICES - According to various aspects, antenna elements are provided for multi-band sleeve dipole antenna assemblies for use with wireless application devices. The antenna elements generally include first and second radiating elements. The first radiating elements may be tuned for receiving electrical resonant frequencies within a first frequency bandwidth. The second radiating elements may be tuned for receiving electrical resonant frequencies within a second frequency bandwidth different from the first frequency bandwidth. | 04-28-2011 |
20110102284 | Low Loss Broadband Planar Transmission Line To Waveguide Transition - A transition for coupling a microwave signal between a transmission line formed on a planar dielectric substrate and a hollow waveguide may include a half-notch antenna formed on a portion of the dielectric substrate extending into an open end of the hollow waveguide. | 05-05-2011 |
20110128202 | ANTENNA WITH SUPERSTRATE PROVIDING HIGH-GAIN AND BEAM WIDTH CONTROL - An antenna employed in a base station is provided. The antenna comprises a feed antenna configured to feed power, and a superstrate configured to be located on an upper portion of the feed antenna and have a conductive pattern for increasing a gain and beam width control on a surface of a dielectric substrate. Accordingly, gain increase and beam width control of the antenna can be simultaneously realized. | 06-02-2011 |
20110148724 | ANTENNA DEVICE - Disclosed is an antenna device that achieves greater reduction in size and a wider bandwidth. The antenna device has a box-type antenna element ( | 06-23-2011 |
20110156975 | SHAPED GROUND PLANE FOR RADIO APPARATUS - An antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least a short end, an open end and a length substantially close to a quarter wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of the slot and the distance of at least one of them to the short end of the slot is equal or smaller than an eighth of the wavelength. An antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least two short ends, and a length substantially close to half wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of said slot and the distance of at least one of them to a short end of the slot is equal or smaller than a quarter of the wavelength. | 06-30-2011 |
20110163929 | SHEET-LIKE DIPOLE ANTENNA - A sheet-like dipole antenna includes a substrate ( | 07-07-2011 |
20110169707 | Antenna - Antenna with a ground plane and an antenna plane, whereby the antenna plane is arranged on the ground plane by at least one bar, whereby a feed line is guided sideways between the ground plane and the antenna plane to a feed contact of the antenna plane. | 07-14-2011 |
20110181480 | ANTENNA MODULE - An antenna module used in a portable wireless communication device includes an antenna and a base board. The antenna includes a main portion, a feeding portion, and a grounding portion. The feeding portion and the grounding portion connect to the base board. The base board defines a first slit and a second slit. A coupling area is formed between the first slit and the second slit to resonate with the antenna. | 07-28-2011 |
20110181481 | SPACE-FILLING MINIATURE ANTENNAS - A novel geometry, the geometry of Space-Filling Curves (SFC) is defined in the present invention and it is used to shape a part of an antenna. By means of this novel technique, the size of the antenna can be reduced with respect to prior art, or alternatively, given a fixed size the antenna can operate at a lower frequency with respect to a conventional antenna of the same size. | 07-28-2011 |
20110187618 | DUAL-BAND ANTENNA - A dual-band antenna includes a feeding portion, a radiating portion, a grounding portion, and an insulating support portion. The insulating support portion includes a first support wall, a second support wall, and a third support wall. The third support wall is parallel to the substrate, and perpendicularly connected to the first support wall and the second support wall, to position the radiating portion. | 08-04-2011 |
20110193758 | ANTENNA ARRANGEMENT AND A RADIO APPARATUS INCLUDING THE ANTENNA ARRANGEMENT - An antenna arrangement comprises a ground plane ( | 08-11-2011 |
20110205135 | RECEPTACLE WITH ANTENNA - An electrical receptacle is disclosed. The electrical receptacle includes a housing and at least one socket at least partially disposed within the housing and having at least a pair of entry ports. The at least one socket is controllable by a radio frequency signal. The electrical receptacle also includes an antenna at least partially disposed within the housing configured to at least receive the radio frequency signal used to control the at least one socket. The electrical receptacle further includes at least one tamper resistant device at least partially disposed within the housing. The at least one tamper resistant device is configured to block the entry ports unless a mating electrical plug is inserted into the at least one socket. | 08-25-2011 |
20110234465 | PLANAR CRLH ANTENNA - The present invention relates to a planar composite right/left handed (CRLH) antenna, comprising: a substrate body which is made of dielectric materials, and which has a planer structure; a radiation line which is disposed on one side of the substrate body, and which is bent to form a slot for exposing a predetermined width of the substrate body through both ends thereof, and which resonates at a predetermined frequency band when fed; and a feeder line which is disposed on the outer side of the substrate body, which extends across the slot, and which feeds electric power to the radiation line. The planar CRLH antenna of the present invention is small in size, and expands a radiation area, thereby expanding an available frequency band, or using a dual frequency band. | 09-29-2011 |
20110241955 | ANTENNA AND MANUFACTURING METHOD THEREFOR - Provided is an antenna capable of establishing electrical conductivity between a flange-like short-circuit section of a power supply section and a thin metal plate even in a harsh temperature environment in a space environment. Under a state in which an apical portion of a power supply section is inserted from an outer side of a face plate into a hole for the power supply section of a thin metal plate, a dielectric plate, and a metal plate, a plurality of screws are inserted from the outer side of a flange-like short-circuit section through a plurality of insertion holes of the flange-like short-circuit section, the thin metal plate, and the dielectric plate, and the plurality of screws are threadingly inserted into a plurality of tapped holes of the metal plate so that electrical conductivity between the flange-like short-circuit section and the thin metal plate is established through direct contact. | 10-06-2011 |
20110273349 | TAPERED SLOT ANTENNA - Methods, antennas and other embodiments associated with impedance matching an antenna feed slot are based on a fractal shape. A slot antenna includes a planar metal sheet. A feed slot opening is formed in the metal sheet. The feed slot has a first end and a second end. A tapered opening is formed in the metal sheet. Adjacent sides of the tapered opening touch the first end of the feed slot. An impedance matching fractal shaped opening is formed in the metal. The impedance matching fractal shaped opening touches the second end of the feed slot. | 11-10-2011 |
20110273350 | TAPERED SLOT ANTENNA - Methods, antennas and other embodiments associated with impedance matching an antenna feed slot. A slot antenna includes a planar metal sheet. A feed slot opening is formed in the metal sheet. The feed slot has a first end and a second end. A tapered opening is formed in the metal sheet. Adjacent sides of the tapered opening touch the first end of the feed slot. An impedance matching star shaped opening is formed in the metal. The impedance matching star shaped opening touches the second end of the feed slot. | 11-10-2011 |
20120001817 | GLOBAL POSITIONING SYSTEM ANTENNA - A global positioning system antenna includes a radiator. The radiator includes a base section, an extension section connected to an edge of the base section, a first curved section connected to an edge of the extension section, and a second curved section connected to a distal end of the first curved section. The first curved section and the base section define a slot therebetween. The second curved section defines a first gap and a second gap thereon. The first gap and the second gap face each other. | 01-05-2012 |
20120032863 | MOBILE WIRELESS DEVICE WITH ENLARGED WIDTH PORTION MULTI-BAND LOOP ANTENNA AND RELATED METHODS - A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB. The mobile wireless communications device also may include an antenna coupled to the wireless transceiver circuitry. The antenna may include a loop conductor, a first conductor body coupled to the loop conductor and extending into the interior thereof to define a first slotted opening with adjacent portions of the loop conductor, and a second conductor body coupled to the loop conductor and extending into the interior thereof to define a second slotted opening with adjacent portions of the loop conductor. The first and second conductor bodies may be spaced apart to define a third slotted opening therebetween. The first slotted opening may have an enlarged width portion adjacent the first conductive body. | 02-09-2012 |
20120038529 | PATCH ANTENNA - A patch antenna is disclosed. The disclosed patch antenna may include: a first radiator configured to generate a circular polarized wave; a first dielectric substrate equipped under the first radiator; a second radiator, placed under the first radiator at a designated distance from the first radiator, and configured to generate a linear polarized wave; a second dielectric substrate equipped under the second radiator; and a reflecting plate equipped under the second radiator at a designated distance from the second radiator; where the first dielectric substrate, the second radiator, the second dielectric substrate, and the reflecting plate are connected through at least one via. A patch antenna according to the present invention has the advantages of being able to generate linear polarized waves and circular polarized waves simultaneously, and of having a small size while still having a high design frequency band. | 02-16-2012 |
20120044116 | SLOT ANTENNAS FOR ELECTRONIC DEVICES - Slot antennas are provided for electronic devices such as portable electronic devices. The slot antennas may have a dielectric-filled slot that is formed in a ground plane element. The ground plane element may be formed from part of a conductive device housing. The slot may have one or more holes at its ends. The holes may affect the impedance characteristics of the slot antennas so that the length of the slot antennas may be reduced. For example, the holes can be used to synthesize the impedance of the slot antennas so that the slot antennas have a resonant frequency that is different from their natural resonant frequency. The holes may affect the impedance of the slot antennas in multiple radio-frequency bands. | 02-23-2012 |
20120068900 | Dielectric Waveguide Slot Antenna - A dielectric waveguide slot antenna which is capable of radiating a circularly-polarized wave comprises: a dielectric waveguide having a slot through which a dielectric is exposed in a part of an electrically conductive film formed on a surface of the dielectric waveguide; a printed circuit board having a via hole opposed to the slot with the same shape as that of the slot; and a conductor plate having a first through-hole opposed to and having approximately the same shape as the via hole, and a pair of second through-holes in a vicinity of the first through-hole. The dielectric waveguide, the printed circuit board and the conductor plate are joined together with aligning the slot, the via hole and the first through-hole with each other. The printed circuit board has a conductor layer formed in positions facing to the second through-holes, and the second through-holes are arranged point-symmetrically with each other. | 03-22-2012 |
20120098722 | METHOD FOR PRODUCING AN ANTENNA, OPERATING IN A GIVEN FREQUENCY BAND, FROM A DUAL-BAND ANTENNA - The present invention relates to a method for producing an antenna operating in a given frequency band, from a dual-band antenna. According to the method, the dual-band antenna is a broadband slot antenna that receives and/or transmits electromagnetic signals at a first frequency and at a second higher frequency. The antenna is powered by a single power supply line, and the free end of the power supply line is connected, by a connection means that can be opened or closed, to at least one means for rejecting one of the frequencies. This invention can be used in producing generic electronic boards. | 04-26-2012 |
20120112976 | ANTENNA - An antenna which reduces the number of end faces and perpendicular corners, and suffers from little deterioration of performance even if used for high frequency transmission/reception, in particular a microstrip patch antenna which is comprised of a dielectric substrate on the bottom surface of which a conductive ground plate is formed and on the top surface of which a patch antenna part formed by a conductor and a feeder circuit connected to the same are provided, wherein the feeder circuit is connected to the antenna part while offset by exactly a predetermined distance to either end side from a center of one side of said antennas part to which said feeder circuit is to be connected so that a transmission loss of the antenna becomes a predetermined value or less. The predetermined distance can be made 20 to 70% of the longitudinal side of the patch antenna part. | 05-10-2012 |
20120119963 | RADIO APPARATUS AND ANTENNA DEVICE - There is provided a radio apparatus which includes an antenna device and a housing to which the antenna device is attached. The antenna device includes a substrate includes an electrically conductive layer with a slit. The slit is formed at an end of the electrically conductive layer so that the slit includes an opening end. The antenna element is electrically coupled with the electrically conductive layer across the opening end via a matching circuit, and receives an electric power through one end of the antenna element. | 05-17-2012 |
20120162039 | RADIAL LINE SLOT ARRAY ANTENNA - A radial line slot array antenna has a slotted conductor plate in which a plurality of slots are formed and arranged in a spiral. The plurality of slots are arranged in the slotted conductor plate such that the arrangement distance in a radial direction between the slots varies gradually between a first portion determined based on a first frequency and a second portion determined based on a second frequency that is different from the first frequency. | 06-28-2012 |
20120169559 | ANTENNA APPARATUS INCLUDING MULTIPLE ANTENNA PORTIONS ON ONE ANTENNA ELEMENT ASSOCIATED WITH MULTIPLE FEED POINTS - An antenna apparatus includes: an extension conductor connected to a first section of an outer perimeter of an antenna element and along an entire length of the first section; connecting conductors connecting the antenna element to a ground conductor between the extension conductor and feed points on the antenna element; and a slit extending from the extension conductor to the antenna element so as to intersect a portion between connecting points of the connecting conductors and to intersect a portion between the feed points on the antenna element. The slit has a short-circuited end on the extension conductor. | 07-05-2012 |
20120200468 | HIGH GAIN FREQUENCY STEP HORN ANTENNA - A radiator element for RF communications formed of a planar conductive material positioned upon a planar dielectric substrate surface. Two lobes formed of the conductive material have side edges abutting a cavity decreasing in cross section between the lobes. The cavity has a widest point configured to receive RF frequencies at the lowest frequency and a narrowest point configured to receive a highest frequency of the element. Opposing pairs of notches in the side edges of the lobes along the decreasing edges of the cavity enhance the frequency of operation for frequencies paired to the distance between the pairs of notches. | 08-09-2012 |
20120212384 | INTEGRATED ANTENNA FOR RFIC PACKAGE APPLICATIONS - A chip package includes a plurality of layers including conductive planes connected by vias. The layers include a first portion having an antenna formed therein and a parallel-plate mode suppression mechanism to suppress parallel-plate mode excitation of the antenna. The parallel-plate mode suppression mechanism includes a reflector offset from an antenna ground plane and first grounded vias. A second portion has an interface for connecting to an integrated circuit device wherein the first portion and the second portion are separated by the parallel-plate mode suppression mechanism. | 08-23-2012 |
20120249389 | BROADBAND MULTI-TAP ANTENNA - An antenna system comprises a plurality of conductors, a combiner, and a plurality of loads. The combiner has an output port. The plurality of loads connects the plurality of conductors to each other in line. The plurality of loads has an impedance equal to a desired impedance for the output port. The combiner combines power received by the plurality of loads at the output port of the combiner. | 10-04-2012 |
20120262354 | HIGH GAIN LOW PROFILE MULTI-BAND ANTENNA FOR WIRELESS COMMUNICATIONS - The present invention is a low profile, wideband, high gain and high efficiency multi-band antenna with good return loss for wireless applications such as WLAN Access Point, ZigBee or WiMAX module, notebook computer, tablet computer and other mobile and portable devices applications and it can be used with any RF-front end circuitry that is working at 2.4-2.5 GHz, 3.2-3.5 GHz and 4.9-6.8 GHz frequency band. Moreover, the antenna assembly comprises a radiating element and two parasitic branches, all of which are sealed in a plastic housing with the feed pin and ground pin exposed for soldering onto a printed circuit board and thus it is easy for customers to assemble; they just need to solder the antenna pins on a printed circuit board and it will be operational. The L-shaped structure and the plastic housing make the antenna to be compact in size so it can be easily fabricated and employed in computers. | 10-18-2012 |
20120262355 | HIGH GAIN LOW PROFILE MULTI-BAND ANTENNA FOR WIRELESS COMMUNICATIONS - The present invention is a low profile, wideband, high gain and high efficiency multi-band antenna with good return loss for wireless applications such as WLAN Access Point, ZigBee or WiMAX module, notebook computer, tablet computer and other mobile and portable devices applications and it can be used with any RF-front end circuitry that is working at 2.4-2.5 GHz, 3.1-3.4 GHz and 4.9-5.9 GHz frequency band. Moreover, the antenna assembly comprises a planar body sealed in a plastic housing with the feed pin and ground pin exposed for soldering onto a printed circuit board and thus it is easy for customers to assemble; they just need to solder the antenna pins on a printed circuit board and it will be operational. The flat structure and the plastic housing make the antenna to be low profile and compact in size so it can be easily fabricated and embedded into a notebook computer and tablet computer. | 10-18-2012 |
20120274526 | Line Conversion Structure and Antenna Using the Same - In a line conversion structure, a slot line includes a slot ground conductor connected to a ground layer with a through conductor that passes through the dielectric layer, a slot signal conductor, and a slot disposed between the slot ground conductor and the slot signal conductor. A signal conductor of a microstrip line is orthogonal to the slot ground conductor and the slot, with a gap between the signal conductor and the slot ground conductor, and an end of the signal conductor is connected to the slot signal conductor, and a length L of a portion of the slot ground conductor, the portion being parallel to the signal conductor with the gap, is less than or equal to 0.25 times a wavelength of a signal transmitted through the microstrip line. | 11-01-2012 |
20120280876 | Wireless equipment - The disclosure discloses a wireless device, includes a shell and a signal circuit board, wherein one or more loop-closed slot antennae are arranged on the shell; the slot antenna is provided with a feeding point and a grounding point; the feeding point and the grounding point are respectively connected with two ends of an slot antenna; and the feeding point is connected with the signal circuit board polarly. In the wireless device provided by the disclosure, one or more loop-closed slot antennae are arranged on the shell, and receiving and transmitting effects are achieved directly by utilizing a conductor slot on the shell, so that antenna in the shell can be saved; therefore, the space on a Printed Circuit Board (PCB) is saved and the wireless device is miniaturized. | 11-08-2012 |
20120306709 | MULTI-BAND ANTENNA - A multi-band antenna is to be electrically connected to a transceiving terminal of a radio frequency circuit by a feeding unit and includes a grounding section, a feed-in section electrically connected to the feeding unit, first and second radiator arms respectively disposed at opposite lateral sides of the feed-in section and electrically connected to the feed-in section, and a first coupling component. The first and second radiator arms are configured to generate first and second resonant modes, respectively. When the multi-band antenna transceives radio frequency signals, the second radiator arm and the first coupling component generate a coupling effect such that the first coupling component generates a third resonant mode. Center frequencies of the first, second, and third resonant modes are different from each other. | 12-06-2012 |
20120313832 | COMPACT TAPERED SLOT ANTENNA - A compact endfire tapered slot antenna, which may be advantageously printed on a low permittivity Liquid Crystal Polymer substrate. The antenna features a microstrip-to-slot transition, in which the matching stubs of the slotline antenna feed and the microstrip input line are collinear. This is achieved using a 90° bend in the slotline. The antenna is consequently of smaller size, and has improved bandwidth over prior art geometries. The antenna may be carried on a fork-shaped metallic carrier, which gives it good rigidity, and may incorporate a metallic reflector, which increases its directive gain. The antenna is simpler to manufacture and a less costly alternative to conventional 60-GHz tapered slot antennas printed on multilayer LTCC substrates. It can be used both as an individual radiator as well as an element of an antenna array and is readily integrated INPUT with an RF module for use in future WPAN applications. | 12-13-2012 |
20120313833 | APERTURE ANTENNA - An aperture antenna for transmitting a circularly polarized signal is provided. The aperture antenna includes an antenna substrate, a feed conductor and an antenna ground layer. The feed conductor is microstrip-fed or coplanar-wave-guide-fed. The antenna ground layer has an aperture, the aperture has a feed portion, a signal turning point, a first edge and a second edge, the first edge connects the feed portion to the signal turning point in a first direction, and the second edge connects the feed portion to the signal turning point in a second direction, the first direction is opposite to the second direction. When the aperture antenna transmits the circularly polarized signal, a traveling wave travels on the first edge, and at least one standing wave is formed on the second edge. | 12-13-2012 |
20120326936 | MONOPOLE SLOT ANTENNA STRUCTURE - A monopole slot antenna structure including a dielectric substrate, a monopole slot antenna and a feed element is provided. The monopole slot antenna is disposed on one side of the dielectric substrate and has a slot including a first slot section, a tuning slot section and a second slot section. One end of the first slot section is located at one edge of the monopole slot antenna with the other end of the first slot section being extended towards internal portions of the monopole slot antenna and being connected to the tuning slot section. One end of the second slot section is connected to the tuning slot section with the other end of the second slot section being extended away from the first slot section. The feed element is disposed correspondingly to the second slot section, and excites the monopole slot antenna to generate two operating frequency bands. | 12-27-2012 |
20130002501 | ANTENNA AND COMMUNICATION DEVICE THEREOF - An antenna and a communication device thereof are provided. The antenna includes at least one ground and at least one radiating portion. The ground is disposed on a dielectric substrate, and the radiating portion includes at least one signal source and at least one closed conductor loop. The closed conductor loop has a first coupling conductor portion and a second coupling conductor portion, and the closed conductor loop has a plurality of bending portions to form a three-dimensional structure, and a first coupling gap is formed between the first and the second coupling conductor portions. The closed conductor loop further has a feeding portion and a short-circuit portion to form a second coupling gap between them. The feeding portion is electrically connected or coupled to the at least one signal source, and the short-circuit portion is electrically connected or coupled to the ground. | 01-03-2013 |
20130050038 | ANTENNA APPARATUS OF MOBILE TERMINAL - A built-in antenna apparatus of a mobile terminal includes a main board having at least one feeding portion for feeding RF power and at least one grounding portion at ground potential. The antenna apparatus includes first and second thin metal plates configured to be stacked on the main board and spaced from one another. The second metal plate is electrically connected to the feeding portion and has a length sufficient to resonate within a communication frequency band of the mobile terminal The first metal plate is electrically connected to the grounding portion and electromagnetically coupled with the second metal plate to resonate. | 02-28-2013 |
20130113670 | DIRECTIONAL SLOT ANTENNA WITH A DIELECTRIC INSERT - A directional slot antenna comprises a radiating component coupled to a reflector. A reflector spacing gap or cavity between the radiating component and the reflector has a height which is less than a predetermined height of a free-space reflector spacing cavity associated with desired gains for frequencies of interest. A dielectric material insert is positioned within the reflector spacing cavity and fills or partially fills the cavity. The reduced-height cavity including the dielectric material insert provides an increased electrical separation between the radiating component and the reflector that corresponds to the predetermined height of the free-space reflector spacing cavity. | 05-09-2013 |
20130113671 | SLOT ANTENNA - A slot antenna includes a substrate, a coupling-feed structure, and a grounding member. The coupling-feed structure is disposed at a top surface of the substrate. The coupling-feed structure includes a first coupling member and a second coupling member. The second coupling member is separately disposed near by the first coupling member. The grounding member is electrically connected to a bottom surface of the substrate and has a slot. A portion of the slot is disposed under the first coupling member and the second coupling member. | 05-09-2013 |
20130162491 | DUAL RADIATION PATTERNS ANTENNA - A dual radiation patterns antenna is provided in the present invention. The dual radiation patterns antenna includes a substrate, a first antenna unit and a second antenna unit. The substrate has a first surface and a second surface opposite to the first surface. The first antenna is formed on the first surface of the substrate and used to radiate a first radiation pattern. The second antenna is formed on the second surface of the substrate and used to radiate a second radiation pattern. A first vertical projecting plane of the first antenna unit on the second surface is overlapped with the second antenna unit completely or partially. A second vertical projecting plane of the second antenna unit on the first surface is overlapped with the first antenna unit completely or partially. The first radiation pattern and the second radiation pattern are perpendicular each other. | 06-27-2013 |
20130169496 | ANTENNA DEVICE WITH U-SHAPED SLIT - An antenna device includes a feeding line having a first conductor and a second conductor and an antenna element having a conductive flat plate in which a slit is formed. The conductive flat plate has first and second sides opposite to each other and a third side. The antenna element is divided into an antenna pattern portion and a ground pattern portion via the slit. The slit is configured with a first slit portion apart from a center line towards the first side, a second slit portion apart from the center line towards the second side, a third slit portion coupling the first slit portion with the second slip portion, and a cutting portion coupling the third slit portion with the third side. | 07-04-2013 |
20130194146 | ANTENNA HAVING BROAD BANDWIDTH AND HIGH RADIATION EFFICIENCY - An antenna having a broad bandwidth and a high radiation efficiency is provided. The antenna includes a conductor, and a dielectric substrate disposed on the conductor. The antenna further includes a slot portion formed on the dielectric substrate, and a cavity formed in the dielectric substrate that corresponds to the slot portion. | 08-01-2013 |
20130207861 | Wideband Antenna - A wideband antenna includes a grounding unit electrically connected to a ground, a feed-in source for transmitting and receiving radio frequency signals, a first radiating body including a first radiating unit extending along a first direction, a second radiating unit extending along a second direction opposite to the first direction, and a conducting unit extending along a third direction, and a second radiating body including a short-circuit unit electrically connected to the grounding unit, a third radiating unit including a branch to generate a coupling connection effect with the conducting unit via a first distance, wherein an average perpendicular distance between the second radiating body and the grounding unit is smaller than an average perpendicular distance between the first radiating body and the grounding unit. | 08-15-2013 |
20130207862 | LOW IMPEDANCE SLOT FED ANTENNA - A low impedance slot fed antenna with a slot and an element configured to resonate is depicted. The orientation of the slot is configured so that a slot current is not opposed to a return current associated with the element. This helps decrease coupling between the slot and the element, which can benefit high Q antennas. | 08-15-2013 |
20130222196 | WIRELESS DEVICE, AND INFORMATION PROCESSING APPARATUS AND STORAGE DEVICE INCLUDING THE WIRELESS DEVICE - According to one embodiment, a wireless device includes a circuit board, a semiconductor chip, a sealing resin, a conductive film, and an antenna element. The semiconductor chip includes a transmitting/receiving circuit and is mounted on the circuit board. The sealing resin seals the semiconductor chip. The conductive film covers a first surface portion of the sealing resin. An aperture is formed in a portion of the conductive film that corresponds to a second surface portion of the sealing resin other than the first surface portion, and the second surface portion is included in a side surface of the sealing resin and closest to an antenna terminal connected to the antenna element. | 08-29-2013 |
20130229317 | HANDHELD DEVICE WITH TWO ANTENNAS, AND METHOD OF ENHANCING THE ISOLATION BETWEEN THE ANTENNAS - The invention relates to a handheld device comprising a first antenna (401, 701, 901, 931, 961, 1101, 1151, 1301, 1501) arranged to operate in at least a first frequency band, and a second antenna (402, 702, 902, 1102, 1302, 1502, 2210) arranged to operate in at least a second frequency band, wherein said second frequency band is different from said first frequency band. According to the invention, the second antenna comprises a slot antenna comprising at least one slot in at least one conductive layer. The invention also relates to enhancement of the isolation between first and second antennas in a handheld device. | 09-05-2013 |
20130241785 | LOW-COST HIGH-GAIN PLANAR ANTENNA USING A METALLIC MESH CAP FOR MILLIMETER-WAVE FREQEUNCY THEREOF - An apparatus, system, and/or method for a single planar feeding structure or antenna that may be integrated with one or more other system blocks is provided. The antenna may provide high radiation gain due to a large number of the radiating elements, which may be represented by one or more periodic openings or slots in a partially reflective surface (PRS). A feed network for the antenna may be provided by a wave bouncing between a ground plane and the PRS. The feed may be substantially in air, thereby suffering little to no loss. The fabrication process and/or method for the antenna is simple and low-cost. In one embodiment, the antenna may be formed at least in part by micromachining The antenna may be designed at least in part using the Fabry-Pérot Cavity (FPC) method. | 09-19-2013 |
20130241786 | ANTENNA ASSEMBLY - An antenna assembly includes a carrier, a metal sheet, and an antenna. The metal sheet is attached to the carrier and defining at least one notch. The antenna is connected to the metal sheet and includes a radio body for receiving and transmitting wireless signals. The radio body is positioned above the metal sheet. The length of current path in a peripheral wall of the at least one notch is in a predetermined proportion to the wavelength of the wireless signals, enabling the metal sheet to resonate with the radio body to increase the bandwidth of the antenna. | 09-19-2013 |
20130257668 | MOBILE DEVICE AND ANTENNA ARRAY THEREOF - A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array includes a first antenna, a second antenna, and a third antenna. The third antenna is disposed between the first and second antennas so as to reduce coupling between the first and second antennas. The first, second and third antennas are all embedded in the dielectric substrate and substantially arranged in a straight line. Each of the first and second antennas is a transmission antenna and the third antenna is a reception antenna, or each of the first and second antennas is a reception antenna and the third antenna is a transmission antenna. The transceiver is coupled to the antenna array and is configured to transmit or receive a signal. | 10-03-2013 |
20130271333 | SLOT ANTENNA - A slot antenna includes a dielectric substrate, a conductor surface provided on one of surfaces of the dielectric substrate, a slot formed by making a cut in the conductor surface, one end of the cut forming an opened end on an edge of the conductor surface, and a stub formed inside the slot, the stub being connected to one of opposing sides of the slot by using a connection part, in which the stub is formed in such a manner that a length of the connection part becomes longer than a distance between a side opposing to the side connected to the connection part and the stub. | 10-17-2013 |
20130285865 | PRINTED SLOT-TYPE DIRECTIONAL ANTENNA, AND SYSTEM COMPRISING AN ARRAY OF A PLURALITY OF PRINTED SLOT-TYPE DIRECTIONAL ANTENNAS - The present invention relates to a printed slot-type directional antenna. The invention also relates to antenna systems formed by arranging a plurality of such antennas in an array. The flared printed slot-type directional antenna includes a substrate having a floorplan, in which the slot is etched along a profile having a longitudinal axis, and a line for supplying power to the slot, and is characterized in that the substrate comprises at least one first and one second portion which are folded along an axis that is parallel to said longitudinal axis, and which form an angle A relative to one another. | 10-31-2013 |
20130293433 | ANTENNA DEVICE - An antenna device includes: a substrate; a slot including an earth electrode, a first side, a second side, a first bent part and a second bent part, the first side and the second side being orthogonal and one end of the first side coupled to one end of the second side, the first bent part coupled to the other end of the second side and provided in parallel to the first side, the first bent part being shorter than the first side, the second bent part coupled to the other end of the first side and provided in parallel to the second side, the second bent part being shorter than the second side; a first feeding point provided on the earth electrode; a second feeding point provided on the earth electrode; a first switch provided on the first side; and a second switch provided on the second side. | 11-07-2013 |
20130321226 | ANTENNA DEVICE FOR PORTABLE TERMINAL - A portable terminal includes an antenna device having a circuit board on a surface of which a conductive layer is formed, a slit that removes a portion of the conductive layer and extends in a direction, an auxiliary board positioned on the slit to face a surface of the circuit board, and a radiation pattern formed on the auxiliary board, in which the radiation pattern is disposed to partially enclose the slit. Even when the radiation pattern is disposed on the conductive layer, induced current generated around the slit can be controlled in the same direction as signal power, thereby preventing radiation performance from being degraded by an inverse current phenomenon in spite of disposition of the radiation pattern on the conductive layer. | 12-05-2013 |
20130342410 | Flexible Transmission Device and Communication Device Using the Same - The present invention discloses a flexible transmission device, for transmitting radio-frequency (RF) signals between a first communication module and a second communication module in a communication device. The flexible transmission device includes a flexible substrate; a first metal sheet, formed on the flexible substrate and coupled between ground terminals of the first communication module and the second communication module; a second metal sheet, formed on the flexible substrate and coupled between the ground terminals of the first communication module and the second communication module; and a third metal sheet, formed on the flexible substrate and between the first metal sheet and the second metal sheet, and coupled between signal terminals of the first communication module and the second communication module, for transmitting the RF signals. | 12-26-2013 |
20130342411 | ANTENNA DEVICE AND MOBILE TERMINAL HAVING THE SAME - A mobile terminal comprises: a terminal body having an upper part and a lower part; and an antenna device disposed on the upper part or the lower part of the terminal body, and configured to transmit and receive radio signals, wherein the antenna device comprises: a first member and a second member which form a slot of which one side is open; a feeding portion having one end connected to one of the first member and the second member such that the antenna device resonates in a first frequency band, and forming an electric field in the slot; and a feeding extension portion extending from the feeding portion such that the antenna device resonates in a second frequency band. | 12-26-2013 |
20140015724 | ANTENNA APPARATUS AND TERMINAL DEVICE ASSOCIATED WITH ANTENNA APPARATUS - An antenna apparatus may include a conductor layer having an aperture and a slit that adjoins the aperture; and a resonance tuning component including a first element, a second element, and a third element coupled with the first and second elements. The slit may have an opening at a periphery of the conductor layer. A first gap may be arranged between the first element and the conductor layer. At least a part of the first element may be coupled with the conductor layer. A second gap may be arranged between the second element and the conductor layer. The antenna apparatus may include a capacitor and an inductor. The capacitor may be connected with the inductor in parallel between the first element and the conductor layer. The terminal device may include the antenna apparatus. | 01-16-2014 |
20140022134 | SLOT HALO ANTENNA DEVICE - An antenna of the present disclosure has a housing having a shallow cavity in a top of the housing and a shallow cavity in a bottom of the housing. The antenna further has a substantially circular radiating element disposed in the shallow cavity on the top of the housing, the radiating element having an arc shape slot. In addition, the antenna has a substantially circular parasitic element disposed in the shallow cavity on the bottom of the housing. | 01-23-2014 |
20140035789 | MULTI-BAND ANTENNA - A multi-band antenna is provided in the present invention. The multi-band antenna includes a substrate, a first antenna module and a second antenna module. The first antenna module with an Industrial Scientific Medical band is formed on the substrate. The second antenna module with a V band is formed on the first antenna module. A vertical projecting plane of the second antenna module on the substrate is overlapped with the substrate. The second antenna module further includes at least two antenna units. Center lines of the antenna units are coplanar and are parallel each other with a distance or crossed at a point with an included angle. A height of each antenna unit is equal to an odd multiple of one-quarter effective wavelength. | 02-06-2014 |
20140085156 | TAPERED SLOT ANTENNA - The tapered slot antenna element according to the invention comprises a tapered slot with a narrow inner part. The tapered slot antenna element further comprises a cavity for receiving a feeding probe. An inner wall of said is provided with a layer comprising an electric conductive material, and said cavity is provided with an open end. The cavity is adapted such that a feeding probe can be inserted into the cavity through the open end. The layer comprising the electric conductive material is adapted such that the coaxial field can be build up between the feeding probe and said layer of electric conductive material. Hence, said layer can be a homogenous layer or a wire netting or the like, as long as a coaxial field can be build up between the electric conductive layer and the feeding probe. | 03-27-2014 |
20140104126 | PORTABLE TERMINAL AND SLOT ANTENNA THEREOF - Embodiments of the present invention disclose a portable terminal and a slot antenna thereof, and relate to the field of mobile communications technologies, which can effectively reduce a space occupied by the antenna and at the same time meet various bandwidth requirements. The slot antenna of the portable terminal includes: a large-area conductor plane laid on a printed circuit board, a battery with a bulk conductor, and a first feeding part, where a slot is formed between the conductor plane and the battery, the conductor plane is radio-frequency coupled to the bulk conductor in the battery through the slot, and the first feeding part is located in the slot. The present invention is applied in designing the antenna of the portable terminal. | 04-17-2014 |
20140111392 | Planar Waveguide, Waveguide Filter, and Antenna - A planar waveguide includes a top PCB, a bottom PCB, multiple shielding metal blocks, and a metal plate. The top PCB has a groove. The groove and the bottom PCB form an air waveguide. Microstrips are disposed on the lower surface of the top PCB. The microstrips are positioned at both ends of the groove and disposed along an extension line of the groove. The multiple shielding metal blocks are disposed along the extension direction of the microstrips and the groove and positioned on both sides of the microstrips and the groove. A first conversion piece for implementing signal transmission between the microstrips and the air waveguide is further disposed between the microstrips and the bottom PCB under the groove. | 04-24-2014 |
20140118206 | ANTENNA AND FILTER STRUCTURES - A combined filter and antenna structure comprising a multi-mode cavity filter and an antenna, wherein: the filter comprises: a dielectric body provided with a conductive covering; and an interface arranged to exchange energy between a standing wave in the body and a current conveyed external to the body; and the antenna is arranged to exchange energy between a travelling wave outside the body and a standing wave inside the body and the antenna comprises: a first window provided in the covering. | 05-01-2014 |
20140118207 | ANTENNA ASSEMBLY - An antenna assembly of very small size includes a base board, a ground plane, a feed portion, and a radiating portion. The base board includes a first surface and a second surface opposite to the first surface. The ground plane is positioned on the first surface and configured to provide ground for the antenna assembly. One end of the feed portion is attached to the second surface and is extended to the first surface with another end of the feed portion attached to the first surface. The radiating portion is formed by exposing portions of the ground plane and coupling the removed portion with the feed portion to form a slot antenna. | 05-01-2014 |
20140118208 | ANTENNA - The disclosure provides an antenna, which comprises: a radiating unit, an antenna ground and a slot, wherein the radiating element is configured to be a curved metal wire to receive or radiate electromagnetic wave signals; the projection area of the radiating element serves as the antenna ground; and the antenna ground is provided with the slot which is configured to couple and resonate with the radiating element. The disclosure solves the problem that the antenna in relevant art can not meet the requirements of dual frequencies simultaneously, and thus achieves the effect of meeting the requirements of dual frequencies simultaneously. | 05-01-2014 |
20140132466 | ANTENNA MODULE - A dielectric film has a main surface and a back surface and is formed of resin. Electrodes that can receive or transmit an electromagnetic wave having a frequency of not less than 0.05 THz and not more than 10 THz in the terahertz band are formed on the main surface of the dielectric film. The electrodes constitute a tapered slot antenna. The dielectric film and the electrodes are formed of a flexible printed circuit board. A semiconductor device that is operable at a frequency in the terahertz band is mounted on the main surface of the dielectric film so as to be electrically connected to the electrodes. | 05-15-2014 |
20140132467 | ANTENNA USING SLOT IN MOBILE TERMINAL - An antenna using a slot formed by assembling a mobile terminal case and a metal structure (e.g., a bracket), is disclosed. The antenna reduces deterioration of antenna performance resulting from frequency interference or electromagnetic interference. The antenna can be used in various frequency bands. | 05-15-2014 |
20140168023 | ANTENNA HAVING PLANAR CONDUCTING ELEMENTS, ONE OF WHICH HAS A PLURALITY OF ELECTROMAGNETIC RADIATORS AND AN OPEN SLOT - An antenna includes a dielectric material having i) a first side opposite a second side, and a conductive via therein. A first planar conducting element is on the first side of the dielectric material and has an electrical connection to the conductive via. A second planar conducting element is also on the first side of the dielectric material. A gap electrically isolates the first and second planar conducting elements from each other. An electrical microstrip feed line on the second side of the dielectric material electrically connects to the conductive via and has a route that extends from the conductive via, to across the gap, to under the second planar conducting element. The first planar conducting element has a plurality of electromagnetic radiators, each having dimensions that cause it to resonate over a range of frequencies that differs from a range of frequencies over which an adjacent radiator resonates. At least first and second of the radiators bound an open slot in the first planar conducting element. The open slot has an orientation perpendicular to the gap. | 06-19-2014 |
20140168024 | DIELECTRIC WAVEGUIDE ANTENNA - Embodiments of the invention provide a dielectric waveguide antenna including a dielectric waveguide transmitting a signal applied from a power feeder, a dielectric waveguide radiator radiating the signal transmitted from the dielectric waveguide to the air through a first aperture, and a matching unit formed in a portion of the dielectric waveguide and controlling a serial reactance and a parallel reactance to thereby perform impedance matching between the dielectric waveguide radiator and the air, in order to reduce reflection generated in the first aperture during the radiation of the signal through the first aperture. Reflection in the aperture is reduced through the matching unit having various structures, thereby making it possible to improve characteristics of the dielectric waveguide antenna. | 06-19-2014 |
20140176378 | MULTI-BAND ANTENNA - A multi-band antenna including a metal plate and a radiation element is provided. The metal plate is electrically connected to a ground plane and has a slot. A resonant path is formed by the edges of the slot. The radiation element has a feeding point and is located in the slot of the metal plate. A feeding signal from the radiation element is coupled to the metal plate, and the multi-band antenna excites a resonant mode by the resonant path of the metal plate, so as to receive or transmit a first radio frequency signal. | 06-26-2014 |
20140184459 | DUAL BAND ANTENNA - A dual-band antenna, disposed in a substrate, is provided. The dual-band antenna includes: a feeding part and a slot antenna. The feeding part, disposed on a first side of the substrate, is used for feeding electromagnetic signals with a first resonance frequency and a second resonance frequency, wherein the second resonance frequency is substantially equal to twice the first resonance frequency. The slot antenna includes: a rectangular part with two long edges and two short edges, and a funnel part with a bottom edge, a top edge, and two side edges, wherein the bottom edge is shorter than the top edge, and the two side edges are equal in length substantially, the bottom edge of the funnel part is next to a short edge of the rectangular part, and a center line of the slot antenna corresponds to wavelength of the first frequency. | 07-03-2014 |
20140218250 | CASE AND ELECTRONIC APPARATUS - An electronic apparatus includes a metallic case including an antenna pattern formed on an area of the metallic case where two sides surfaces of the case meet, the antenna pattern forming a slit antenna including a slit connecting one side of the antenna pattern to an open area of the metallic case, and a circuit board configured to process signals received at the antenna pattern. | 08-07-2014 |
20140240185 | MULTIBAND RF ANTENNA - This invention relates to a miniature multiband antenna, in which a substrate being the carrier of a conductive element, and the conductive element configured as a layer onto the substrate and being the radiator in form of a slot, and a conductive layer configured onto the substrate and being the antenna feed line in form of a polygon patch area. Alternative embodiments illustrate use of slot type—and meander type antennas. The invention may be applied in any kind of electronic equipment, where a high capacity wireless system is required and within a very small physical embodiment. | 08-28-2014 |
20140247190 | Dual Port Single Frequency Antenna - An antenna further comprising: a first port, a second port, where the first port is 180-degrees out of phase with respect to the second port. | 09-04-2014 |
20140285388 | BROADBAND NOTCH ANTENNAS - This disclosure is directed to broadband notch antennas. In one aspect, a notch antenna includes a dielectric plate having a first surface and a second surface located opposite the first surface. A conductive layer is disposed on the first surface and has a notch region that exposes the dielectric plate between edges of the conductive layer. The antenna also includes two or more frequency matching circuits that branch from the notch region. Each matching circuit is configured to send and receive electromagnetic radiation in a frequency band of a radio spectrum. | 09-25-2014 |
20140320362 | BROADBAND POLARIZATION DIVERSITY ANTENNAS - This disclosure is directed to broadband polarization diversity antennas. In one aspect, a polarization diversity antenna includes a baseboard with a baseboard-feed line located on a first surface. The baseboard-feed line includes a serpentine meander-line portion. The antenna also includes an antenna-array board with two or more antenna elements arranged in a series. The antenna-array board is attached to the first surface with the serpentine meander-line portion located between an edge of the antenna-array board and the baseboard. Each antenna element is connected to the serpentine meander-line portion via an antenna-feed line located on the antenna-array board. The antenna array provides two dimensional polarization broadcasting and receiving of electromagnetic radiation. In another aspect, a notch antenna is formed on an opposing second surface of the baseboard opposite the antenna-array board in order to provide three-dimensional polarization broadcasting and receiver of electromagnetic radiation. | 10-30-2014 |
20140361943 | ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE EMPLOYING SAME - An antenna structure includes a dielectric substrate, a slot antenna, and a feeding strip. The dielectric substrate has a first surface and a second surface opposite to the first surface. The slot antenna includes a ground plane positioned on the first surface of the dielectric substrate, and a slot defined in the ground plane where the conductive material is missing. The slot opens at an edge of the ground plane. The feeding strip is positioned on the second surface of the dielectric substrate and extends across the slot, the feeding strip resonates with the slot antenna. | 12-11-2014 |
20140375516 | ELECTROMAGNETIC OPEN LOOP ANTENNA WITH SELF-COUPLING ELEMENT - An antenna is provided for the new combined GPS and GLONASS technologies in single port for tracking and navigation applications in wireless devices. The resonant mechanism is excited by an open loop structure at 1.575 GHz and 1.610 GHz, forcing the current distribution to remain at that particular portion of the antenna resulting as the primary resonator. | 12-25-2014 |
20150009082 | SLOT ANTENNA - This slot antenna is provided with: a dielectric substrate ( | 01-08-2015 |
20150015446 | ON RADIATOR SLOT FED ANTENNA - An antenna includes a slot feed on the radiator itself (On Radiator Slot Fed Antenna or ORSFA) instead of the slot feed being a separate element. One of the advantages of having the slot feed integrated onto the radiator is that the antenna is less dependent on the adjacent conductive parts, since the feed is coupling to the radiator rather than to ground (as is done in a standard slot feed antenna concept). The Q of the radiator can also be reduced for a given volume, since the coupler is removed from the antenna volume. In an embodiment the antenna can include a transmission line and an impedance match circuit directly on the radiator. | 01-15-2015 |
20150029066 | SURROUNDED ANTENNA HAVING A PHASE SHIFTER THEREIN - A surrounded antenna includes a radiation patch comprising a closed slot and a surface current path of a predetermined width surrounding the closed slot; a phase shifter comprising at least one short-circuit path (short stub) segment and at least one open path (open stub) segment, each short-circuit path (short stub) segment being connected between two internal contacts of the surface current path, each open path (open stub) segment comprising opposing connection end and open end, the connection end being to the surface current path; a grounded patch spaced apart from the radiation patch at a predetermined distance; and a feeding point located at one short-circuit path (short stub) segment and connected to the grounded patch through at least one hole. Thus, the phase shifter can offset the phase between surface current paths, achieving in-phase radio signal strength enhancement. | 01-29-2015 |
20150035714 | PHASED ARRAY FOR MILLIMETER-WAVE MOBILE HANDSETS AND OTHER DEVICES - An apparatus includes an antenna element. The antenna element includes a first portion of a multi-layer printed circuit board (PCB) and a cap covering at least part of the first portion of the multi-layer PCB. The multi-layer PCB includes multiple substrates, and the first portion of the multi-layer PCB includes a first slot through the multiple substrates. The cap includes a second slot and defines a space between the first portion of the multi-layer PCB and the cap. The cap and a conductive layer of the multi-layer PCB form a waveguide structure through which wireless signals radiate from the antenna element. | 02-05-2015 |
20150061954 | ANTENNA ASSEMBLY - An antenna assembly includes a base board. A ground plane is positioned on the base board and is configured to provide a ground for the antenna assembly. An antenna is formed by removing a portion of the ground plane to define a slot antenna. A matching unit is electronically connected to the antenna and is configured to match an impedance of the antenna and adjust a bandwidth of the antenna. | 03-05-2015 |
20150097745 | MOBILE COMMUNICATION DEVICE - A mobile communication device is provided and includes a ground element and a feeding structure. The ground element includes a slot. The feeding structure crosses the slot and includes a first transmission line, a second transmission line and a resonant circuit. The resonant circuit is electrically connected in series between the first transmission line and the second transmission line. Besides, the resonant circuit receives a feeding signal through the first transmission line and is electrically connected to the ground element through the second transmission line. | 04-09-2015 |
20150123861 | Method For Creating A Slot-Line On a Multilayer Substrate and Multilayer Printed Circuit Comprising at Least One Slot-Line Realized According to Said Method and Used as an Isolating Slot or Antenna - The present invention relates to a method for realizing a short-circuited slot-line on a multilayer substrate comprising at least a first conductive layer, a dielectric layer and a second conductive layer, the method comprising the following steps:
| 05-07-2015 |
20150138028 | SLOT HALO ANTENNA DEVICE - An antenna of the present disclosure has a housing having a shallow cavity in a top of the housing and a shallow cavity in a bottom of the housing. The antenna further has a substantially circular radiating element disposed in the shallow cavity on the top of the housing, the radiating element having an are shape slot. In addition, the antenna has a substantially circular parasitic element disposed in the shallow cavity on the bottom of the housing. | 05-21-2015 |
20150145740 | Integrated Frequency Multiplier and Slot Antenna - A metal substrate with a slot therein forms a slot antenna, the slot having a major axis and a minor axis. A dielectric layer has a plurality of terminals disposed on or in the dielectric layer and the layer is attached on one surface of the substrate. The terminals of a non-linear device, such as a diode, are connected to corresponding terminals of the dielectric layer. The non-linear device is positioned proximate the slot and is substantially aligned with a minor axis of the slot. A transmission line feeds an RF signal to the non-linear device that in turn frequency multiplies the RF signal to an RF signal that is radiated by the slot antenna. The dielectric layer is positioned in the slot such that the radiated RF signal has a desired output power. A protective layer is applied to the other surface of the substrate to cover the slot. | 05-28-2015 |
20150295324 | ULTRA-WIDEBAND ANTENNA - The present invention relates to ultra-wideband (UWB) directional circular-field-polarization antennae. The technical result consists in development of a UWB antenna in which a unidirectional radiation is naturally generated within a wide or ultra-wide frequency band and generally does not require the use of an absorber on a back side of a radiating element. The UWB antenna comprises: a dielectric substrate; at least one feed line formed on the dielectric substrate; a spiral radiating element formed on the substrate and coupled to said at least one feed line; at least one additional dielectric substrate arranged in parallel with and above said dielectric substrate, wherein a flat printed cavity of an axially-symmetric shape is formed on said at least one additional dielectric substrate, said cavity being arranged coaxially with the spiral radiating element. | 10-15-2015 |
20150364827 | ULTRA-WIDEBAND TAPERED SLOT ANTENNA - An ultra-wideband tapered slot antenna that is capable of providing spatial independent band-stop characteristics which are irrelevant to the radiation direction of the antenna in a dual-stop band. The antenna includes an ultra-wideband tapered slot antenna includes a radiating unit formed on a first surface of a substrate and configured to radiate radio signals. A feeding unit is formed on a second surface of the substrate and is configured to provide the radio signals to the radiating unit. Separate stubs are formed to be spaced apart from the feeding unit around the feeding unit and are configured to reject frequencies in a first stop band from the radio signals radiated from the radiating unit. A slot is formed in a stub formed at a first end of the feeding unit and is configured to reject frequencies in a second stop band from the radio signals. | 12-17-2015 |
20160020522 | Waveguide Slot Antenna - A waveguide slot antenna utilizing a waveguide as a feeding line and having a linear slot provided in a wall of the waveguide, the waveguide slot antenna comprising a flat-shaped conductor plate which has a first through-hole formed in a shape approximately identical to that of the slot and provided at a position opposed to the slot, and a second through-hole provided at a position intersecting the first through-hole. | 01-21-2016 |
20160064820 | ANTENNA USING EXTERIOR METAL FRAME AND ELECTRONIC DEVICE UTILIZING THE SAME - An antenna device that uses an exterior metal frame is provided. The antenna includes a Printed Circuit Board (PCB); a plurality of segment-type exterior metal frames spaced apart from the PCB; a feeding portion connected to one metal frame of the plurality of segment-type exterior metal frames; and a slit located between the PCB and the one metal frame, wherein the one metal frame fed through the feeding portion operates with radiation, or the slit operates with radiator, or another exterior metal frame fed through the feeding portion operates with radiation. | 03-03-2016 |
20160087341 | ANTENNA DEVICE AND METHOD FOR MANUFACTURING SAME - An antenna device is provided, which includes a ground plate formed of a conductor for ground to perform ground function, and a slot formed with specific width and length and positioned on an upper portion of the ground plate, wherein the slot includes a feeding portion configured to receive a signal for feeding, and a plurality of chip resistors positioned apart from the feeding portion for a predetermined distance in a direction that crosses the width of the slot. Accordingly, an electromagnetic signal that is radiated by radar and then is reflected from points excluding a target can be effectively intercepted and thus the system performance can be improved. | 03-24-2016 |
20160104938 | SLOT ANTENNA - A slot antenna includes a dielectric substrate, a conductive layer, a slot and a feeding strip. The dielectric substrate includes a first surface and a second surface opposite the first surface. The conductive layer is positioned on the first surface of the dielectric substrate, and is configured to electronically couple to ground. The slot is defined in the conductive layer and terminates on an edge of the conductive layer. The feeding strip is positioned on the second surface of the dielectric substrate and extends across the slot. The feeding strip is configured to feed current signal and resonate with the conductive layer. | 04-14-2016 |
20160149303 | Antenna with Quarter Wave Patch Element, U-Slot, and Slotted Shorting Wall - In one embodiment, an apparatus is formed using a quarter wave (QW) patch element with a U-Slot, a ground plane, and a slotted shorting wall. A feed line runs through the ground plane and connects to the QW patch element. The slotted shorting wall connects the QW patch element to the ground plane. The QW patch element, slotted shorting wall, and ground plane are composed of a single contiguous folded material. | 05-26-2016 |
20160156105 | COMBINED APERTURE AND MANIFOLD APPLICABLE TO PROBE FED OR CAPACITIVELY COUPLED RADIATING ELEMENTS | 06-02-2016 |
20160164185 | Ultra-Wide Band Antenna - Disclosed is an ultra-wide band antenna. An antenna according to the present invention comprises: a radiating body for emitting electromagnetic waves passing through the antenna; a feeder unit for supplying electric signals to the radiating body; and an impedance feeder unit, having a rectangular shape, connecting the radiating body and the feeder unit, and the antenna additionally comprises a slotted part in the interior of the radiating body to increase the effectiveness of the antenna. Additionally, the diameter of the radiating body is 2.0˜3.0 times the length, in the horizontal-direction, of the impedance feeder unit, and the length, in the vertical-direction, of the impedance feeder unit is 1.0˜1.3 times the length thereof in the horizontal direction, and as such, the present invention can be applied to a device utilizing multiple-input and multiple-output and high-speed data, the device having secured an ultra-wide band by means of a single antenna. | 06-09-2016 |
20160190702 | SYSTEMS AND METHODS FOR PROVIDING A FREQUENCY SENSITIVE SURFACE ANTENNA - Systems and methods for providing a multi-surface ground plane device for a wideband antenna which employs a frequency selective surface to optimize higher frequencies within the range of the wideband antenna and is especially well adapted for cellular communications for both data and voice but can be employed with any horn style wideband antenna. | 06-30-2016 |
20160190705 | MULTIBAND COMPOSITE RIGHT AND LEFT HANDED (CRLH) SLOT ANTENNA - This application relates to slot antenna devices based on Composite Right and Left Handed (CRLH) metamaterial (MTM) structures. | 06-30-2016 |
20160380359 | DUAL POLARIZATION ANTENNA - An antenna having a plurality of antenna elements formed into a conductive layer engaged upon a planar dialectic is disclosed. The plurality of formed elements provide for reception and transmission of RF energy in both horizontal and vertical polarized orientations as well as at angles therebetween. | 12-29-2016 |
20180026376 | GRID BRACKET STRUCTURE FOR MM-WAVE END-FIRE ANTENNA ARRAY | 01-25-2018 |
20190148840 | SLOT ARRAY ANTENNA | 05-16-2019 |
20220140473 | ANTENNA ELEMENT AND ELECTRONIC DEVICE - An antenna element includes: a substrate with a ground plate, a horizontally polarized dipole antenna including a first antenna branch and a second antenna branch, and a first feeding structure. The first antenna branch and the second antenna branch are disposed in the substrate at intervals, the first antenna branch and the second antenna branch are disposed on a plane on which the ground plate is disposed, and the first antenna branch and the second antenna branch are electrically connected to the ground plate through the first feeding structure. The ground plate is spaced apart from both the first antenna branch and the second antenna branch, and a side edge of the ground plate that faces the first antenna branch and the second antenna branch is a concave side edge. | 05-05-2022 |