Class / Patent application number | Description | Number of patent applications / Date published |
343729000 | Plural diverse-type antennas using same active element | 57 |
20090231221 | DIELECTRIC ROD ANTENNA AND METHOD FOR OPERATING THE ANTENNA - A rod antenna and a method for operating the rod antenna. The rod antenna includes a two-dimensional patch for radiating and/or receiving an electromagnetic wave, the patch extending along a plane defined by two coordinate axes orthogonal to each other. A feeding line is coupled to the patch for transferring signal energy to and/or from the patch, and a dielectric rod radiates and/or receives the electromagnetic wave, the rod extending longitudinally from the patch in direction of a third coordinate axis outside of the plane defined by the first two coordinate axes. A metal holder is coupled to the patch and to the rod for transferring the electromagnetic wave between the patch and the rod. | 09-17-2009 |
20100026595 | ANTENNA DEVICE AND MOBILE WIRELESS TERMINAL - In an antenna device having a coil element | 02-04-2010 |
20100127944 | Antenna Arrangement - An antenna arrangement including a first element operable in a first resonant mode at a first resonant frequency band; and a second element arranged to couple with the first element to enable the first element to resonate in a second resonant mode having a second resonant frequency band, the second element having an impedance at the first resonant frequency band which substantially suppresses coupling between the first element and the second element. | 05-27-2010 |
20100164820 | ANTENNA - Disclosed is an antenna which has a simple structure and a small null angle, and which can achieve communication using a circularly-polarized wave. | 07-01-2010 |
20100231471 | Antenna for Use Close to a Semi-Conducting Material - An antenna for use near a semi-conducting material, such as at a living body, the antenna comprising a first portion and a second portion, the first portion being constituted by a whip antenna and the second portion being constituted by a loop antenna. | 09-16-2010 |
20100238079 | HIGH ISOLATION MULTIPLE PORT ANTENNA ARRAY HANDHELD MOBILE COMMUNICATION DEVICES - A multiple input-multiple output antenna assembly with high isolation between the antennas is disclosed. The antenna assembly includes a substrate with a ground layer at its surface. Two antennas are disposed opposing each other on the substrate. A meandering slot is interposed between the first and second antennas on the ground plane. A first signal port is provided for applying a first signal to excite the first antenna and a second signal port is provided for applying a second signal to excite the second antenna. The meandering slot provides isolation that inhibits electromagnetic propagation between the first and second antennas. A third signal port is provided for applying a third signal to excite the meandering slot to act as another antenna for multiple input, multiple output operation. | 09-23-2010 |
20100283693 | Wireless Terminal Antenna - A wireless terminal antenna is disclosed. The antenna includes a pull rod, a pull rod pedestal located at the base of the pull rod, and a spiral coil. One end of the spiral coil is electrically connected with the pull rod pedestal. The pull rod is axially retractable along the pull rod pedestal until it is retracted into the space enclosed by the spiral coil. At idle time, the pull rod is nested inside the spiral coil so that it is short and portable. When receiving signals normally, the pull rod can be pulled out. The antenna is miniaturized, portable, and provides good performance. | 11-11-2010 |
20110001675 | ANTENNA OF PORTABLE ELECTRONIC DEVICES - An antenna used in portable electronic devices includes a first antenna unit shaped as a planar inverted-F antenna (PIFA) and a second antenna unit shaped as a loop antenna and connected to the first antenna unit. The first antenna unit receives/sends wireless signals at relatively higher frequencies, the second antenna unit receives/sends wireless signals at relatively lower frequencies, and the first antenna unit is coupled with the second antenna unit to regulate the working frequency band of the antenna. | 01-06-2011 |
20110043421 | PORTABLE ELECTRONIC DEVICE AND ANTENNA THEREOF - An antenna is provided. The antenna includes a radiator, a feed conductor and a ground conductor. The radiator includes a body and a parasitic element. An aperture is formed on the body, and the body encloses the aperture. The parasitic element is connected to the body and extended into the aperture, wherein the parasitic element is connected to the body at a parasitic location. The feed conductor is connected to the body, wherein a signal, fed to the body by the feed conductor, travels on the body, and passes the parasitic location to the parasitic element. The ground conductor is connected to the body. | 02-24-2011 |
20110050523 | THREE-DIMENSIONAL DUAL-BAND ANTENNA - A three-dimensional dual-band antenna including a first radiation portion, a second radiation portion, a connection portion, an impedance matching portion and a feeding portion is provided. The second radiation portion is located under the radiation portion and parallel with the first radiation portion. The connection portion is connected to the first side of the first radiation portion and extended downward vertically, for connecting the first radiation portion and the second radiation portion. The impedance matching portion is connected to a second side of the first radiation portion and extended downward vertically. The first side and the second side are opposite. The feeding portion is connected to the second side and extended downward vertically. The feeding portion receives a feeding signal. The first and the second radiation portion are operated at the first and the second bandwidth respectively, wherein the second bandwidth is in higher frequency than the first bandwidth. | 03-03-2011 |
20110148722 | COMPACT CIRCULAR POLARIZED MONOPOLE AND SLOT UHF RFID ANTENNA SYSTEMS AND METHODS - The present disclosure relates to a combined and compact monopole and slot antenna providing circular polarization for various applications, such as ultra high frequency (UHF) radio frequency identification (RFID). The antenna of the present invention combines a slot antenna with a monopole antenna using a single feed to drive both, effectively resulting in a circular polarized antenna. In an exemplary embodiment, the antenna may be integrated internally to a mobile device and printed on a flex or a printed circuit board (PCB), made from sheet metal, etc. Advantageously, the design of the antenna provides performance similar to circular polarized patch antennas while avoiding the size, weight, and cost. | 06-23-2011 |
20110156971 | WIDE BAND ANTENNA - A wide band antenna includes a radiation element, a ground surface, a dielectric element, and a RF connector. The radiation element is connected to the ground element and includes a first radiation part and a second radiation part. The first radiation part includes at least one slit for obtaining low frequency-bands. The second radiation part is for obtaining high frequency-bands. The dielectric element supports and spaces the radiation element and the ground element. The RF connector is connected to the second part of the antenna and the ground element. | 06-30-2011 |
20110273346 | PORTABLE ELECTRONIC DEVICE - Provided is a portable electronic device which can be changed between a first state and a second state and comprises an antenna that forms a loop in the first state and does not form the loop in the second state. A mobile telephone ( | 11-10-2011 |
20120019421 | MOBILE WIRELESS DEVICE WITH MULTI-BAND LOOP ANTENNA WITH ARMS DEFINING A SLOTTED OPENING AND RELATED METHODS - A mobile wireless communications device may include a housing, a printed circuit board (PCB) carried by the housing. The device may also include an antenna coupled to wireless transceiver circuitry carried by the PCB. The antenna may include first and second feed legs extending upwardly from the PCB, a loop conductor spaced above the PCB and having a gap therein defining first and second ends, and a first conductor arm spaced above the PCB and extending between the first feed leg and the first end. The antenna may further include a second conductor arm spaced above the PCB and having a proximal portion between the second feed leg and the second end, and having a distal portion extending outwardly from the second feed leg. The first conductor arm and the proximal portion may define a slotted opening into an interior of the loop conductor. | 01-26-2012 |
20120162036 | ANTENNA DEVICE - A disclosed antenna device includes a ground element configured to be grounded, a first antenna to be connected to a radio communication module, and a second antenna configured to be parasitic on the first antenna, the second antenna receiving no power feed. | 06-28-2012 |
20120274521 | COMPLEX ANTENNA AND COMMUNICATION DEVICE - A complex antenna which receives or transmits a plurality of electromagnetic waves of different frequencies is provided. A first one of the electromagnetic waves is an alternating magnetic flux. The complex antenna includes a first antenna which receives or transmits the alternating magnetic flux. The complex antenna includes a second antenna arranged such that the first antenna and the second antenna overlap as viewed from a direction in which the alternating magnetic flux penetrates the first antenna. The second antenna is adapted for reducing an induction effect of a current which is induced by the alternating magnetic flux and flows in the second antenna. | 11-01-2012 |
20120313830 | MULTI-BAND ANTENNA - Methods and systems for extending a bandwidth of a multi-band antenna of a user device are described. A multi-band antenna includes a single radio frequency (RF) input coupled to a first antenna, the first antenna configured to provide a first resonant mode. The multi-band antenna also includes a second antenna parasitically coupled to the first antenna to provide additional resonant modes of the multi-band antenna. | 12-13-2012 |
20120313831 | ANTENNA AND SPLITTER FOR RECEIVING RADIO AND REMOTE KEYLESS ENTRY SIGNALS - An antenna system may include a first antenna having a helical shaped portion, and configured to receive signals over a first frequency range. A second antenna may be positioned in proximate distance from the first antenna, and be configured to receive signals over a second frequency range. A splitter may be configured for separating signals received from radio and remote keyless entry antennas and may include a first branch including a first filter to filter AM band signals from communications signals received from an antenna, a second branch including a second filter to filter FM band signals from communications signals received from the antenna, a third branch including a third filter to filter remote keyless entry signals from communications signals received from the antenna, and an amplifier to amplify the remote keyless entry signals. The filters may be passive filters. The antenna may be a whip antenna or roof antenna. | 12-13-2012 |
20130063318 | DUAL-BAND INVERTED-F ANTENNA APPARATUS PROVIDED WITH AT LEAST ONE ANTENNA ELEMENT HAVING ELEMENT PORTION OF HEIGHT FROM DIELECTRIC SUBSTRATE - An antenna apparatus includes firs and second antenna elements. The first antenna element operates as a loop antenna that resonates at a first wavelength, and the antenna apparatus operates as an inverted-F antenna that resonates at a second wavelength. The first antenna elements includes a first element portion formed to have a predetermined height from a surface of a dielectric substrate, and the second antenna element includes a second element portion which is formed to be substantially parallel to the first element portion at least at a predetermined distance apart from the first antenna element. | 03-14-2013 |
20130069838 | DUAL BAND ELECTRICALLY SMALL TUNABLE ANTENNA - An electrically small dual-band planar tunable UHF/L-Band antenna. In one example, the dual-band antenna includes a combination of a semi-spiral antenna for the UHF frequencies and a microstrip patch antenna for the L-band frequencies. | 03-21-2013 |
20130141290 | ANTENNA DEVICE - Both ends of a feeder and both ends of a reflector of an antenna device are connected using a pair of diodes. When the diodes are turned on, a loop antenna is formed which loops the feeder, the diode, the reflector, a capacitor, and the diode, and the antenna device operates as the loop antenna. When the diodes are turned off, the antenna device operates as a Yagi-Uda antenna which is formed of the feeder, the reflector, and a wave guide. | 06-06-2013 |
20130207856 | HYBRID ANTENNA FOR PORTABLE COMMUNICATION DEVICES - An antenna structure ( | 08-15-2013 |
20130229316 | METHOD AND APPARATUS FOR CONTROLLING AN ANTENNA - A system that incorporates the subject disclosure may include, for example, a method for coupling a primary antenna to an auxiliary antenna portion with a current-controlled switch. The method further includes generating a unidirectional direct current or a first bias voltage having a first polarity to cause the current-controlled switch to substantially form a conduction channel between the primary antenna and the auxiliary antenna portion. While the conduction channel is present, a first resonance frequency range of the primary antenna is frequency shifted to a second resonance frequency range. The method can also include removing the unidirectional direct current or generating a second bias voltage having a second polarity to cause the current-controlled switch to form an open circuit between the primary antenna and the auxiliary antenna portion. While the open circuit is present, the first resonance frequency range of the primary antenna is restored. Other embodiments are disclosed. | 09-05-2013 |
20130234900 | TERMINAL INCLUDING ANTENNA - Provided is a terminal including an antenna apparatus capable of securing a wideband characteristic in a multiple input multiple output (MIMO) antenna system. The antenna apparatus may include a band pass filter for blocking or reducing interference from another antenna apparatus. The antenna apparatus may maintain a resonant frequency band to be wide by forming a sub resonance using a plurality of uneven shapes. | 09-12-2013 |
20130342409 | COMPACT CIRCULAR POLARIZATION ANTENNA SYSTEM WITH REDUCED CROSS-POLARIZATION COMPONENT - Patch antennas for signals of global navigation satellite systems (GNSS) are described. A compact antenna system reduces directional diagram level in the rear hemisphere primarily for cross-polarized (left hand circularly-polarized) component. It can be used for reducing multipath reception. The antenna receives GNSS signals and includes a patch circularly-polarized radiator consisting of a radiating patch, a ground plane under it and a loop radiator coaxially located around the patch radiator. The loop radiator is excited by a separate power circuit or by a passive method where LHCP waves of MP and loop radiators in the rear hemisphere would be anti-phase added. A dual-band antenna system includes an active HF radiator, under which there is an active LF radiator under which there is a passive LF radiator, a loop HF radiator being coaxially located around the active HF radiator. | 12-26-2013 |
20140028511 | COMPACT MULTIPLE-BAND ANTENNA FOR WIRELESS DEVICES - A device in a wireless communications system, comprising a transmitter for transmitting information over a plurality of frequency bands, a receiver for receiving information over a plurality of frequency bands and a multiple-band antenna electrically connected to said transmitter and said receiver, wherein said multiple band antenna is comprised of a first feed point configured to electrically connect said multiple band antenna to said transmitter and said receiver, wherein said multiple band antenna forms a first antenna type and a second feed point configured to electrically connect said multiple-band antenna to said transmitter and said receiver, wherein said multiple band antenna forms a second antenna type. | 01-30-2014 |
20140078010 | Multiple Input Multiple Output (MIMO) Antennas Having Polarization and Angle Diversity and Related Wireless Communications Devices - Antenna systems are provided including a chassi and first and second radiating elements coupled to the chassi. The first radiating element is configured to amplify excitation of the chassi and the second radiating element is configured to reduce excitation of the chassi so as to reduce mutual coupling in the antenna system. Related co-located antennas and methods of controlling mutual coupling are also provided. | 03-20-2014 |
20140104123 | Antenna and Wireless Terminal Device - Embodiments of the present invention provide an antenna and a wireless terminal device. Through a first conductor connected to the inner side of an antenna body, the embodiments of the present invention can avoid the problem that in the prior art, while the antenna ensures the Specific Absorption Rate (SAR) performance of the wireless terminal device, the wireless performance of the wireless terminal device is greatly reduced. By adopting technical solutions of the present invention, while the SAR performance of the wireless terminal device is ensured, the wireless performance of the wireless terminal device cannot be affected. | 04-17-2014 |
20140152518 | DUAL-BAND FOLDED META-INSPIRED ANTENNA WITH USER EQUIPMENT EMBEDDED WIDEBAND CHARACTERISTICS - Embodiments of a folded meta-inspired antenna for dual-band operation and user equipment for dual-band operation in a wireless network are generally described herein. In some embodiments, the folded meta-inspired antenna may include first and second conductive layers disposed on opposite sides of a substrate to provide a wideband distributed structure comprising a plurality of high-Q resonances resulting from, at least in part, metamaterial-based loading. Conductive material on the first side of the substrate is arranged around a central longitudinal slot coupled with a plurality of perpendicular slots. For dual-band operation, the folded meta-inspired antenna may operate as a folded monopole at a higher frequency band and operate as a slot-type radiator at a lower frequency band. The plurality of resonances may cause the folded meta-inspired antenna to achieve broader bandwidth at both lower and higher frequency bands. | 06-05-2014 |
20140266938 | Electronic Device Having Multiport Antenna Structures With Resonating Slot - Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may include an inverted-F antenna resonating element and an antenna ground that form an inverted-F antenna having first and second antenna ports. The antenna structures may include a slot antenna resonating element. The slot antenna resonating element may serve as a parasitic antenna resonating element for the inverted-F antenna at frequencies in a first communications band and may serve as a slot antenna at frequencies in a second communications band. The slot antenna may be directly fed using a third antenna port. An adjustable capacitor may be coupled to the first port to tune the inverted-F antenna. The inverted-F antenna may also be tuned using an adjustable capacitor bridging the slot antenna resonating element. | 09-18-2014 |
20140266939 | HYBRID RADIO FREQUENCY / INDUCTIVE LOOP ANTENNA - Biometric monitoring devices, including various technologies that may be implemented in such devices, are discussed herein. Additionally, techniques, systems, and apparatuses are discussed herein for providing a hybrid antenna including an RF radiator and an electrically coupled inductive loop. The hybrid antenna is capable of providing both RF and induction functionality, e.g., radio frequency transmission/reception capabilities for Bluetooth as well as near-field-communications (NFC) functionality via the inductive loop. The inductive loop may be in conductive contact with the RF radiator or may be inductively coupled with the RF radiator and not in conductive contact with the RF radiator. The inductive loop may act as a planar element of a planar inverted-F antenna (PIFA). | 09-18-2014 |
20150116169 | MM Wave Antenna Array Integrated with Cellular Antenna - Wireless electronic devices may include a millimeter Wave (mmW) antenna array integrated with a cellular antenna. The devices may also include a package or module on the cellular antenna that integrates the mmW antenna array and an mmW circuit. The devices may also include a grounding element that includes an mmW antenna control and a power trace. | 04-30-2015 |
20150295311 | ANTENNA SYSTEM USING CAPACITIVELY COUPLED COMPOUND LOOP ANTENNAS WITH ANTENNA ISOLATION PROVISION - An antenna system is provided, including a first antenna, a second antenna, a ground plane, and a resonant isolator coupled to the first and second antennas. Each of the antennas is configured to be a capacitively-coupled compound loop antenna, and the resonant isolator is configured to provide isolation between the two antennas at resonance. The two antennas may be symmetrical or asymmetrical and include a first element that emits a magnetic field and a second element that generates an electrical field that is orthogonal to the magnetic field. The radiating element of the second element may be capacitively coupled to the remainder of the second element. The resonate isolator may be comprised of a single conductive element or two conductive elements that are capacitively coupled. | 10-15-2015 |
20150364820 | MULTIBAND ANTENNA APPARATUS AND METHODS - The present disclosure includes multiband antenna apparatus and methods. In one embodiment, an antenna includes a loop antenna having a first corner between a first side and a second side and a second corner between the second side and a third side, a loop fed inverted F antenna comprising the loop antenna and a first arm extending from the second corner of the loop antenna, the first arm configured in parallel with the first and second sides of the loop antenna and forming a corner proximate to the first corner of the loop antenna, and a monopole antenna coupled to the first side of the loop antenna. | 12-17-2015 |
20160099506 | OMNIDIRECTIONAL ANTENNA - An omnidirectional antenna is provided. The omnidirectional antenna includes a spiral antenna including a substrate, at least one upper antenna pattern formed on the substrate, and at least one lower antenna pattern formed under the substrate and connected to the upper antenna pattern; and a monopole antenna that supports the spiral antenna and that is connected to the spiral antenna. Therefore, by forming an omnidirectional antenna in a spiral antenna having an upper antenna pattern and a lower antenna pattern at an upper surface and a lower surface, respectively, of a substrate, three-dimensional current flow is available and thus omnidirectional radiation characteristics may be exhibited. | 04-07-2016 |
20160111797 | ANTENNA DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - An antenna device and an electronic device including the same are provided. The antenna device includes a first radiator in which a slot is formed, a second radiator, at least a portion of which is disposed in the slot, and a feeder configured to feed the same electricity to the first radiator and the second radiator. The antenna device may have many resonance frequencies in the same installation space, allowing efficient use of the internal space of the electronic device. Moreover, the antenna device and the electronic device including the same may be implemented variously according to various embodiments. | 04-21-2016 |
20160190691 | MODIFIED VIVALDI ANTENNA WITH DIPOLE EXCITATION MODE - Systems and techniques are provided for a modified Vivaldi antenna with dipole excitation mode. An antenna may include a ground plane and a modified Vivaldi antenna. The modified Vivaldi antenna may include a straight arm with a first end and a second end, the first end being attached to the ground plane, a tapered section, and a balun placed partially between the straight arm and the tapered section. The modified Vivaldi antenna may be placed such that there is a gap between the tapered section and the ground plane. A feed element may be placed such that the feed element crosses the gap between the tapered section of the modified Vivaldi antenna and the ground plane. | 06-30-2016 |
343730000 | Including balanced doublet-type antenna | 20 |
20090109104 | Balanced-Unbalanced Antennas - There is disclosed an antenna device comprising a pair of physically and electrically symmetrical radiating elements configured for cooperative operation as a balanced antenna, and a third radiating element configured for operation as an unbalanced antenna The balanced antenna may be configured for operation in a first frequency band, and the unbalanced antenna may be configured for operation in a second frequency band Embodiments of the disclosed antenna device provide multiband operation close to a conductive groundplane and are strongly resistant to detuning. | 04-30-2009 |
20090115672 | Antenna Configurations for Compact Device Wireless Communication - A diversity antenna for use with a portable host device such as a laptop computer, for example as part of a PCMCIA card pluggable into the laptop computer to enable wireless computer by the laptop computer, includes a main antenna and a diversity antenna. Various configurations for these antennas are possible, including the use of a balanced dipole as the main antenna element and a split diversity antenna for the diversity antenna element. The diversity antenna provides high isolation between the antenna elements and isolation from interfering self-noise generated by the host device. | 05-07-2009 |
20090115673 | Antenna Configurations for Compact Device Wireless Communication - A diversity antenna for use with a portable host device such as a laptop computer, for example as part of a PCMCIA card pluggable into the laptop computer to enable wireless computer by the laptop computer, includes a main antenna and a diversity antenna. Various configurations for these antennas are possible, including the use of a balanced dipole as the main antenna element and a split diversity antenna for the diversity antenna element. The diversity antenna provides high isolation between the antenna elements and isolation from interfering self-noise generated by the host device. | 05-07-2009 |
20090231222 | Compact Portable Antenna for Digital Terrestrial Television with Frequency Rejection - The invention relates to a portable compact antenna formed from a first dipole type radiating element operating in a first frequency band and comprising a first and at least one second conductive arm, differentially supplied, the first arm, referred to as cold arm, forming at least one cover for an electronic card and the second arm, referred to as hot arm, being linked to the cold arm at the level of the supply. According to the invention, the hot arm comprises at least one slot resonating in a second frequency band such as the GSM band. | 09-17-2009 |
20100103061 | UNIDIRECTIONAL ANTENNA COMPRISING A DIPOLE AND A LOOP - A unidirectional wireless antenna with a front-to-back ratio of 20 dB comprises a loop antenna and a dipole antenna interconnected by a metallic element and printed on a printed circuit board. The antenna is small in size but provides good unidirectional transmission. | 04-29-2010 |
20100182211 | Multi-Layer Film Element - The invention concerns a multi-layer film element ( | 07-22-2010 |
20100194651 | Multi-input multi-output antenna - A multi-input multi-output antenna according to the present invention comprises a dipole antenna and a multi-slot antenna for inputting and outputting signals; wherein the multi-slot antenna has at least one metal sheet having an L-shaped section, which has a bend formed in the middle part thereof and has a vertical section and a horizontal section provided on the both sides respectively, and a slot which connects the vertical section and the horizontal section is disposed on the metal sheet, and the vertical section and the horizontal section have a notch having an opening formed therein respectively; thereby to make up an antenna capable of effectively isolating an input frequency from an output frequency without interfering with signals. | 08-05-2010 |
20100259456 | MULTI-LAYER REACTIVELY LOADED ISOLATED MAGNETIC DIPOLE ANTENNAA - A multi-layer reactively loaded isolated magnetic (IMD) dipole with improved bandwidth and efficiency characteristics to be used in wireless communications and other applicable systems. The multi-layer IMD antenna comprises a first element positioned above a ground plane, a second element positioned above a ground plane and coupled to the first portion. Reactive components are integrated into one or both elements to optimize the frequency response of the antenna. The range of frequencies covered to be determined by the shape, size, and number of elements in the physical configuration of the components. Portions of or the entire ground plane can be removed beneath the elements. | 10-14-2010 |
20100283694 | COMPOSITE ANTENNA - A composite antenna achieves favorable radiation characteristics and favorable communication performance, and can be used in short distance communication as well as long distance communication. The composite antenna includes a dipole antenna having an elongated shape, a loop antenna including at least one pair of opposing end portions, and a connection portion arranged to connect the dipole antenna and a point of the loop antenna at which the amplitude of a current flowing in the loop antenna has a maximum value. The dipole antenna performs long distance communication utilizing an electric field, and the loop antenna performs short distance communication utilizing a magnetic field. This composite antenna may be used as a wireless IC device in RFID systems. | 11-11-2010 |
20100309068 | METHODS AND APPARATUS FOR A LOW REFLECTIVITY COMPENSATED ANTENNA - An antenna includes a dipole radiator region forming a series resonant tank having a first quality factor value Q | 12-09-2010 |
20110006960 | PLANAR TRIPOLAR ANTENNA - A tripolar antenna is described having at least two electromagnetic signal transmitting/receiving elements arranged such that their axes of signal transmission/reception sensitivity are not parallel, wherein said elements are provided on or at least partially in a substrate of dielectric material so portions of said at least two elements are coplanar and dielectrically isolated from one another. In a preferred arrangement, two dipoles are provided on the substrate in perpendicular orientation and in the plane containing of the surface of said dielectric material. Most preferably a further third element is provided so as to render the antenna tripolar, said third element comprising a first circular disk element secured to an upper surface of the dielectric material, and a second slightly larger circular disk element, concentrically positioned on the corresponding opposite and lower surface of the dielectric. | 01-13-2011 |
20110291900 | Portable Pop-Up Direction Finding Antenna - An easily transportable multiband antenna array. The antenna array is fabricated on a multi-sided structure, such as a four-sided cube, made from a wire frame and fabric. The multi-sided structure is constructed so that it may be folded by first folding the faces against each other, and then twisting them to form a stack of loops. The antenna elements are fabricated on the faces, and comprise at least a loop antenna around the perimeter of each face, and a bow-tie antenna attached to each face. The antenna elements are fabricated and attached so that they do not inhibit the folding of the structure. | 12-01-2011 |
20120218156 | ON-FREQUENCY REPEATER - An on-frequency repeater includes: an electrical conductor groundplane having first and second opposing surfaces on first and second sides of the groundplane, respectively; and an antenna system including directional antennas of different types, the antenna system including: a donor antenna array including donor dipoles disposed on the first side of the groundplane and displaced a first distance from the first surface, the donor dipoles being disposed parallel to each other; a coverage antenna array including a plurality of coverage dipoles disposed on the second side of the groundplane and displaced a second distance from the second surface, the coverage dipoles being disposed parallel to each other and transverse to the donor dipoles; a quantity of baluns and a corresponding quantity of feed conductors extending away from the groundplane and configured to electromagnetically feed respective ones of the donor dipoles and coverage dipoles. | 08-30-2012 |
20130002497 | ANTENNA APPARATUS INCLUDING FIRST AND SECOND MONOPOLE ANTENNAS EACH HAVING LOOP PORTION - An antenna apparatus includes a dipole antenna, a first monopole antenna and a second monopole antenna, each formed in a form of a conductor pattern on an insulating substrate. A fifth portion of the first monopole antenna and a seventh portion of the second monopole antenna are formed to be adjacent to and to be substantially parallel to a grounding conductor provided outside the antenna apparatus. The fifth portion includes a loop portion, and the seventh portion includes a loop portion. | 01-03-2013 |
20130009832 | DUAL UHF DIPOLE QUADRAFILER HELIX ANTENNA - A dual purpose antenna is provided with the UHF antenna in the form of a pair of copper tubes to provide an off center fed dipole, with a pair of quadrafiler helix L1 and L2 GPS antennas stacked on top of the UHF antenna, and with the top section of the UHF dipole providing a ground plain for the GPS antenna. The antennas are fed internally by two coaxial feeds, one feeding the UHF antenna, the other passing through the UHF antenna to feed the GPS antennas. In one embodiment, a tuning coil is provided at the base of the UHF antenna by the coiling of the two coaxial feeds around a non-conductive mandrel, with copper taping placed on top of the coiled coaxial sections to provide an LC circuit to lower the resonant frequency of the UHF antenna to 225 MHz. | 01-10-2013 |
20140062812 | MULTI-ANTENNA ISOLATION - An interconnection medium for connecting circuitry, including a ground plane; a first balanced antenna located in a first plane, the first plane being parallel to the ground plane; a second balanced antenna located in a second plane, the second plane being parallel to the first plane; wherein the first balanced antenna and the second balanced antenna are configured such that the magnetic field radiated by the first balanced antenna is orthogonal to the magnetic field radiated by the second balanced antenna, and the electrical field radiated by the first balanced antenna is orthogonal to the electric field radiated by the second balanced antenna. | 03-06-2014 |
20140071006 | High Gain And Wideband Complementary Antenna - An antenna is disclosed as including at least one dipole connected with at least one shorted patch antenna, and at least two feeding sources. | 03-13-2014 |
20140125534 | ANTENNA APPARATUS - According to an embodiment, an antenna apparatus include a ground plate; a first element disposed along the ground plate; a second element disposed along the first element at an opposing side of the ground plate; a connecting part to connect first and second terminal parts of the first element with first and second terminal parts of the second element, respectively, or to connect the first and second terminal parts of the first element with the ground plate; a first power feeding portion to feed power at a midpoint of the first or second element in a longitudinal direction when the first and second elements are connected together by the connecting part; and a second power feeding portion to feed power to the first element or the ground plate when the first element and the ground plate are connected together by the connecting part. | 05-08-2014 |
20140266940 | ANTENNA ARRANGEMENT - An antenna arrangement | 09-18-2014 |
20150311578 | Antenna construction, for example for an RFID transponder system - The invention relates to an antenna construction for an RFID chip for long ranges, which comprises a substrate, an antenna of conducting material supported by the substrate, and coupling means for coupling the antenna to a circuit. In accordance with the invention the antenna is a magnetic dipole, and the coupling means are formed by extensions of the antenna conductor. | 10-29-2015 |