Entries |
Document | Title | Date |
20090096705 | Antenna Device - An antenna device includes: a winding component having an approximately cylindrical shaped winding shaft portion and a flange portion disposed to project outside the winding shaft portion in at least one end portion of both end portions in an axial direction of the winding shaft portion; a pair of binding terminals disposed to project outside the flange portion in at least one of the flange portions; and a winding both ends of which are bound to the pair of binding terminals. The flange portion on which the binding terminals are disposed has an approximate disk shape. At least one binding terminal is disposed to be oriented along a direction approximately perpendicular to an outer periphery of the flange portion on which the binding terminal is disposed. | 04-16-2009 |
20090096706 | IC Tag - According to the present invention, there is disclosed an antenna circuit characterized by comprising:
| 04-16-2009 |
20090102741 | ANTENNA FOR THE PLUG-IN DUAL-INTERFACE SMART CARD - An antenna for the non-contact interface of a plug-in dual-interface smart card, wherein the plug-in smart card includes a card module and chip base, the antenna includes a substrate, antenna loop fixed on the first surface of the substrate, and the first and second pins of the antenna, wherein the substrate comprises a structure to cooperate with the card module, the first and second contact points on the second surface, and the first and second vias. The first and second contact points and structure cooperating with the card module are arranged on the substrate on the position corresponding to the contact points of the plug-in smart card. The first and second antenna pins connect with the first and second contact points via the first and second vias. | 04-23-2009 |
20090121964 | ANTENNA DEVICE, RADIO TAG READER AND ARTICLE MANAGEMENT SYSTEM - There is provided with an antenna device includes; a first antenna element which is either a spiral antenna element or a loop-like antenna element; and a first feed point provided at a first end of the first antenna element, the first end being an outer end of the spiral antenna element or an one end of the loop-like antenna element, wherein a length from an second end of the first antenna element to the first end of the first antenna element along the first antenna element is about one half wavelength of operating frequency, the second end being an inner end of the spiral antenna element or the other end of the loop-like antenna element. | 05-14-2009 |
20090184880 | Ultra Wideband Loop Antenna - An ultra wideband loop antenna having a planar antenna element defining an at least semi-elliptical perimeter having a major axis, a minor axis and a center. There is also an elongated, contiguous discontinuity in the antenna element that is symmetric about the antenna element minor axis, entirely located within the antenna element, and defining a discontinuity feed end located on the minor axis and spaced from one side of the antenna element perimeter by an element feed width, and further defining an opposed discontinuity ground end located on the minor axis and spaced from the opposing side of the antenna element perimeter by an element ground width, to define an antenna element ground portion, wherein the feed width is greater than the ground width. The antenna also has a feed region connecting the feed end of the discontinuity to the perimeter, to define antenna element feed ends that are adjacent to the feed region. | 07-23-2009 |
20090213027 | METHODS OF CONNECTING AN ANTENNA TO A TRANSPONDER CHIP - An antenna wire ( | 08-27-2009 |
20090295672 | ANTENNA AND METHOD OF FORMING SAME - An antenna and methods for manufacturing the antenna is provided. The antenna ( | 12-03-2009 |
20090295673 | RADIOFREQUENCY DEVICE - The present invention relates to a radiofrequency device ( | 12-03-2009 |
20100007575 | COUPLED-LOOP CHIP ANTENNA - A loop antenna for communication is provided, which includes a microwave substrate, being a hexahedron; a first conductive layer, disposed on an upper surface of the substrate for forming a first loop; a second conductive layer, disposed on a first side surface of the substrate, and electrically connected to a feed-in point and a ground point; and a third conductive layer, disposed on a lower surface of the substrate for forming a second loop. The first conductive layer and the second conductive layer are electrically connected at the junction between the upper surface and the first side surface, and the second conductive layer and the third conductive layer are electrically connected at the junction between the first side surface and the lower surface. The antenna also has an appropriate bandwidth for wireless communication application. | 01-14-2010 |
20100013732 | COMPACT MULTIBAND ANTENNA - An antenna, including a dielectric carrier having a bounding surface, and a conductive monopole resonant at a first frequency, the monopole having at least one conducting section mounted on the bounding surface. The antenna further includes a labyrinthine conductive coupling element mounted on the bounding surface so as to encompass the dielectric carrier. The coupling element is located with respect to the conductive monopole so as to transfer from the conductive monopole a second frequency lower than the first frequency. | 01-21-2010 |
20100053019 | Artificial medium, its manufacturing method, and antenna device - An artificial medium on which two or more conductive surfaces are provided in a thickness direction, the conductive surface being provided with conductive elements in a two-dimensional periodic array, wherein when an electromagnetic wave propagated in parallel to the thickness direction is incident on the artificial medium, a current excited by the electromagnetic wave increases in an operation frequency, and a current loop is formed in a surface parallel to the thickness direction is provided. | 03-04-2010 |
20100156749 | ANTENNA DEVICE AND METHOD OF MANUFACTURING THE SAME - A signal transmitting/receiving antenna device for Radio Frequency Identification (RFID) which executes contactless data communication, and a method of manufacturing the same. The antenna device includes an antenna module including a dielectric film substrate, an antenna pattern which is a conductive pattern printed on the top and bottom sides of the dielectric film substrate, the top and bottom antenna pattern parts being Connected to each other through one or more via holes extending through the dielectric film substrate, and top and bottom passivation layers formed on the dielectric film substrate to cover the top and bottom antenna pattern parts; and a radio wave absorbent printed on one of the top and bottom passivation layers of the antenna module. | 06-24-2010 |
20100194659 | MULTIPART ANTENNA WITH CIRCULAR POLARIZATION - An antenna apparatus has a first antenna branch and a second antenna branch. Both the first and the second antenna branch are in the form of a conductor loop which is not closed, and the first antenna branch is arranged at a distance from the second antenna branch in a direction which is substantially at right angles to the surface bounded by the respective conductor loop, such that the first loop direction, which is defined from the foot point to the free end of the first antenna branch, is arranged in the opposite direction to the second loop direction, which is defined from the foot point to the free end of the second antenna branch. | 08-05-2010 |
20110043430 | MANUFACTURE OF A SMART CARD - Methods for manufacturing a smart card inlay. In a first embodiment, the method includes initially connecting a first end ( | 02-24-2011 |
20110205140 | VARIABLE PITCH MANDREL WOUND ANTENNAS AND SYSTEMS AND METHODS OF MAKING SAME - A system and method for fabricating a mandrel wound antenna are provided. The method includes securing a first end of a wire to a first portion of a mandrel tool, where the mandrel tool includes a faceplate supporting a plurality of posts, and the posts arranged and disposed to define non-overlapping circumferential patterns. The method also includes wrapping the wire around outer peripheries of the plurality of posts to form non-overlapping wire coils around the plurality of circumferential patterns to provide an antenna. The method further includes securing a second end of the wire to a second portion of the mandrel tool, cutting the wire in proximity to the second end, attaching the antenna to a substrate separate from the faceplate, and detaching the antenna from the faceplate. | 08-25-2011 |
20110309995 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit board including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit board can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery. | 12-22-2011 |
20120081261 | LOOP-TYPE ANTENNA - An antenna interacting with a signal having a frequency is provided. The antenna includes a radiation element having a hollow portion having an angle corner related to the frequency, and including a first inner edge; a second inner edge, wherein the angle corner is formed by the first inner edge and the second inner edge; a third inner edge connected to the second inner edge; a first outer edge; and a second outer edge, wherein the first outer edge and the second outer edge form a first included angle. | 04-05-2012 |
20120249396 | WIRELESS COMMUNICATIONS DEVICE INCLUDING SIDE-BY-SIDE PASSIVE LOOP ANTENNAS AND RELATED METHODS - A wireless communications device may include a housing, and wireless communications circuitry carried by the housing. The wireless communications device may also include an antenna assembly carried by the housing and coupled to the wireless communications circuitry. The antenna assembly may include a substrate and a plurality of passive loop antennas carried by the substrate and arranged in side-by-side relation. Each of the plurality of spaced apart passive loop antennas may include a passive loop conductor and a tuning element coupled thereto. The antenna assembly may also include an active loop antenna carried by the substrate and arranged to be at least partially coextensive with each of the plurality of passive loop antennas. The active loop antenna may include an active loop conductor and a pair of feedpoints defined therein. | 10-04-2012 |
20120306719 | COMPOSITE PRINTED WIRING BOARD AND WIRELESS COMMUNICATION SYSTEM - A composite printed wiring board includes a parent board and a child board that is mounted on the parent board. A wireless IC element that processes a high-frequency signal, a loop-shaped electrode that is coupled to the wireless IC element, and a first radiator that is coupled to the loop-shaped electrode are provided on the child board. A second radiator that is coupled to the loop-shaped electrode via an electromagnetic field is provided on the parent board. | 12-06-2012 |
20120326941 | Capacitive Loop Antenna and Electronic Device - A capacitive loop antenna is disclosed. The capacitive loop antenna comprises a shorting-to-ground terminal, for providing grounding, a feeding terminal, for receiving a first radio frequency feeding signal, and a first capacitive loop. The first capacitive loop comprises a first connection element, a first radiator, comprising an end electrically connected to the feeding terminal via the first connection element, to feed the first radio frequency feeding signal to the first radiator, a second connection element, and a second radiator, comprising an end electrically connected to the shorting-to-ground terminal via the second connection element. A first section of another end of the first radiator is capacitively coupled with the second radiator. | 12-27-2012 |
20130069843 | Method of Operation of a Multi-Layer-Multi-Turn Structure for High Efficiency Wireless Communication - A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. | 03-21-2013 |
20130069844 | ANTENNA FOR AN NFC DEVICE - An antenna for near-field communication, comprising at least four turns and having an outside periphery and an inside periphery both of substantially rectangular shape. An inter-turn distance separates two adjacent turns. Each turn has a width substantially equal to the inter-turn distance. In addition, the inside periphery has: (i) a length less than 7 times the distance between the outside periphery and the inside periphery along a longitudinal axis of said antenna, and (ii) a width less than 4 times the distance between the outside periphery and the inside periphery along a lateral axis of said antenna. | 03-21-2013 |
20130082895 | Antenna Structures with Molded and Coated Substrates - Electronic devices may be provided with antenna structures. The antenna structures may be used in wirelessly transmitting and receiving radio-frequency signals. Antenna structures may be formed from molded dielectric substrates. Patterned conductive material may be formed on the dielectric substrates. The dielectric substrates may be formed from molded materials such as glass or ceramic. Sheets of dielectric or dielectric powder may be compressed to form a dielectric substrate of a desired shape. The patterned conductive material may be formed from metallic paint or other conductors. A hollow antenna chamber may be formed by joining molded dielectric structures. An antenna such as an indirectly-fed loop antenna or other antennas may be formed from the molded dielectric substrates and patterned conductors. | 04-04-2013 |
20130099994 | ANTENNA APPARATUS AND COMMUNICATION TERMINAL INSTRUMENT - In an antenna apparatus, a first current is induced in a first booster conductor by a current flowing through a coil conductor of a power feed antenna, and the first current circulates along a circumference of the first booster conductor. A second current is induced in a second booster conductor by the current flowing through the coil conductor of the power feed antenna, and the second current circulates along a circumference of the second booster conductor. A third current is induced in the first booster conductor by the second current flowing through the second booster conductor, and the third current circulates along the circumference of the first booster conductor. Thus, the antenna apparatus is much less influenced by nearby metallic objects and a shape of an included radiation plate may be more freely determined without requiring a highly accurate positional relationship between the radiation plate and the coil conductor. | 04-25-2013 |
20130207873 | METHOD OF LOOP ANTENNA AND IMPROVED LOOP ANTENNA THEREOF - An improved method of loop antenna and improved loop antenna thereof are provided, the method is used to generate an antenna resonant frequency for a conformed specific communication by modifying a resonant wavelength of a basic loop antenna. The improved method of loop antenna includes the following steps: connecting a first antenna radiator to a resonant point of the basic loop antenna electrically, and using an additional length from the connected first antenna radiator additional length to increase the resonant wavelength of the basic loop antenna, in order to generate an antenna resonant frequency conformed to the specific communication system. | 08-15-2013 |
20130229322 | Antenna System - An antenna system includes a dielectrically-loaded loop element electromagnetically coupled to a planar element. The antenna system exhibits uniform, broadband radiation and reception patterns. | 09-05-2013 |
20130257678 | ANTENNA FOR RECEPTION OF CIRCULARLY POLARIZED SATELLITE RADIO SIGNALS - An antenna for receiving circularly polarized satellite radio signals has a conductive base surface and at least one a conductor loop oriented horizontally above the base surface by a height h. The conductor loop is configured as a polygonal or circular closed ring line radiator. The ring line radiator forms a resonant structure that is electrically excited so that the current distribution of a running line wave in a single rotation direction occurs on the ring line, wherein the phase difference of which, over one revolution, amounts to essentially 2π. A vertical radiator extends between the conductive base surface and the circumference of the ring line radiator. The height h is smaller than ⅕ of the free-space wavelength λ. | 10-03-2013 |
20130335292 | CIRCUIT BOARD HAVING ANTENNA STRUCTURE - A circuit board having antenna structure for use with portable communication devices includes a substrate and an antenna body provided on the substrate. The substrate has a first, a second and a third surface that adjoin one another, and has a ground metallic element mounted thereon parallel to the third surface. The antenna body includes a radiation portion located on the first and second surfaces, a feed-in portion located on the third surface and connected to the radiation portion, and a ground portion located on the third surface and connected to the radiation portion and the ground metallic element. With these arrangements, the antenna structure provided on the circuit board overcomes the problems of limited antenna position and insufficient antenna area without being hindered by other electronic components or structural elements on the circuit board, and is operable at both higher and lower frequency bands. | 12-19-2013 |
20140062828 | RESONANT COMPOUND ANTENNA STRUCTURE - A resonant structure, antenna system and method for improving the wireless performance of an interior antenna of a vehicular or mobile device is disclosed. The resonant structure comprises an inductive section configured to inductively couple to an interior antenna and a capacitive section configured to capacitively couple to a ground plane. The inductive section and the capacitive section are communicatively coupled to each other. The interior antenna is configured to be contained in a device package. | 03-06-2014 |
20140071016 | DUAL-BAND AND DUAL-POLARIZATION ANTENNA - A dual-band and dual polarization antenna includes a first baseboard and a second baseboard spacing apart from each other. A top surface of the first baseboard includes a first radiation part and a second radiation part. The second radiation part encloses the first radiation part and does not contact the first radiation part. The second baseboard includes a top surface facing the bottom surface of the first baseboard and a bottom surface. The top surface of the second baseboard includes a ground portion and two slot pairs each of which includes two slots. The two slots comprised in each slot pair are symmetrical to each other, and the symmetrical center of each slot pair aligns with the center of the first radiation part. The bottom surface includes a first microstrip line and a second microstrip line for feeding back wireless signals. | 03-13-2014 |
20140071017 | WIRELESS COMMUNICATION DEVICE - A wireless communication device includes a wireless IC chip that processes a high-frequency signal and a feeding substrate including a coil conductor, a plane conductor, and a matching circuit that is connected to the wireless IC chip and that has a predetermined resonant frequency. The coil conductor and the plane conductor are connected to the matching circuit. The wireless communication device, when used by itself, operates as a monopole antenna in which the plane conductor functions as a ground and the coil conductor functions as a radiation element. When a conductive object is in a vicinity of the plane conductor, the plane conductor is coupled to the conductive object, and the wireless communication device operates as a dipole antenna in which the plane conductor and the conductive object function as a first radiation element and the coil conductor functions as a second radiation element. | 03-13-2014 |
20140104133 | ANTENNA MODULES FOR DUAL INTERFACE SMART CARDS, BOOSTER ANTENNA CONFIGURATIONS, AND METHODS - Winding a module antenna (MA) for an antenna module (AM) on a tubular support structure (SS) having have a lid structure (LD) or a planar tool (PT) disposed at its free end to constrain the windings. Alternatively, winding wire coils for module antennas (MA) on coil winding forms (CWF, FIG. | 04-17-2014 |
20140125547 | LOOP ANTENNA - A loop antenna adapted for a communication device is provided. The loop antenna includes a feed, a ground, a circular loop, at least one first tuning element, and at least one second tuning element. The circular loop is connected to the feed and the ground. The first tuning element is extended from the circular loop and corresponds to a first frequency band. The second tuning element is extended from the circular loop and corresponds to a second frequency band. Bandwidths of the first frequency band and the second frequency band of the loop antenna are changed by adjusting the first tuning element and the second tuning element, respectively. | 05-08-2014 |
20140132475 | WIRELESS LOAD CONTROL DEVICE - A provided wireless wallbox dimmer may accommodate a plurality of button configurations. The dimmer may be configured to contain a variable number of controllably conductive devices. The dimmer may include a yoke that defines a first plane and an antenna that defines a second plane that is substantially parallel to and spaced apart from the first plane. The yoke may have a flange that is oriented angularly offset relative to the first plane and provides a plurality of mounting locations for controllably conductive devices. The antenna may provide the dimmer with a first wireless transmission range. The dimmer may include a faceplate that cooperates with the antenna to provide the dimmer with a second wireless transmission range that is broader than the first wireless transmission range. The dimmer may include a button assembly that is supported independently of the yoke. | 05-15-2014 |
20140152526 | NEAR FIELD COMMUNICATION APPARATUS - In some implementations, a near field communication (NFC) apparatus may include an insert for installation in a cut-out of a panel or housing, the insert comprising a first portion adapted to extend through the cut-out and a second portion comprising a flange adapted to abut the panel or housing adjacent the cut-out, wherein the flange comprises an NFC antenna. The flange thus serves the purposes of securing the apparatus in place, providing a discrete cosmetic finish concealing and protecting the antenna, and housing an antenna of larger area than otherwise possible to allow improved communications range. | 06-05-2014 |
20140198010 | ELECTRONIC DEVICE - An electronic device is provided. The electronic device includes a conductive housing, a first antenna element, a second antenna element and an insulation structure. The first antenna element is disposed in the conductive housing. The second antenna element is disposed on an external surface of the conductive housing and is opposite to the first antenna element. The conductive housing generates a first current in response to the operation of the second antenna element. The insulation structure penetrates through the conductive housing and extends from at least one side of the conductive housing to the second antenna element. The conductive housing generates an induction current in response to the operation of the first antenna element. The insulation structure blocks the induction current so that the conductive housing generates a second current, and a direction of the first current is the same as a direction of the second current. | 07-17-2014 |
20140203990 | DISSYMMETRIC COIL ANTENNA TO FACILITATE NEAR FIELD COUPLING - Described herein are techniques related to near field coupling and wireless power transfers. For example, a coil antenna configuration is the same in all portable devices; however, when the portable devices are arranged in back to back position with one another, the coil antenna configuration defines a dissymmetric and antenna configuration. | 07-24-2014 |
20140203991 | ANTENNA DEVICE AND COMMUNICATION TERMINAL DEVICE - An antenna device includes a planar conductor, a coiled antenna element, and a feed coil. The feed coil includes a coil conductor wound around a magnetic core. The planar conductor includes a ground conductor provided with a printed wiring substrate. In a portion of a circumferential portion of the planar conductor, a coupling portion is provided and defined by an aperture and a slit. In a planar view of the antenna element, at least a portion of the coil aperture of the feed coil and a portion of the aperture overlap with each other. In addition, at least a portion of the coil aperture of the feed coil and a portion of the coil aperture of the antenna element overlap with each other. | 07-24-2014 |
20140218261 | ANTENNA DEVICE AND ELECTRONIC APPARATUS - An antenna device includes an antenna coil, a magnetic sheet, and a metallic member. The antenna coil is formed on a flexible base. The antenna coil is wound into a loop or a spiral in which a winding central portion is a coil opening portion. The magnetic sheet is disposed at a back surface of the flexible base. A square opening is formed in the metallic member. The antenna coil is exposed from the opening of the metallic member. A first side of the antenna coil is hidden by the metallic member and part of the coil opening portion and a second side are exposed from the opening, so that a magnetic flux links with the second side. | 08-07-2014 |
20140232608 | Antenna Apparatus and a Method - An apparatus including: a central portion extending at least in a first direction on an upper surface of a dielectric substrate; a first lateral portion and a second lateral portion extending at least in a second direction, orthogonal to the first direction, on one or more side surfaces of the dielectric substrate to the upper surface of the dielectric substrate wherein the central portion provides a first conductive path between the first lateral portion and the second lateral portion; a second conductive path between the first lateral portion and the second lateral portion; and a monopole antenna element extending in the second direction. | 08-21-2014 |
20140285395 | MECHANICALLY RESISTANT LOOP ANTENNA FOR A PASSPORT - The invention relates to an antenna for a radio frequency transponder comprising a flat base with a longitudinal edge, an antenna for receiving via electromagnetic coupling on the base, said edge being intended to be parallel to a binding of the booklet, said antenna comprising parallel and perpendicular coils that extend respectively parallel and perpendicular to the longitudinal edge; the transponder is characterized in that said parallel coils have close-together inter-coil spacing at least in an area of binding of the booklet with respect to the inter-coil spacing of the perpendicular coils. The invention also relates to a portable electronic object including said transponder. | 09-25-2014 |
20140361949 | ANTENNA COIL DEVICE - An antenna coil device including: a connector unit mounted with a connector of an external circuit detachably by being plugged-in; and a base unit provided with an antenna body including a coil, in which the connector unit and the base unit are constituted by separate members and are used by being combined integrally each other, wherein for the connector unit and the base unit, there are formed a connector fitting portion and a base fitting portion which are formed with a concave and a convex in a direction intersecting with respect to the plug-in direction of the connector unit, and by fitting the connector fitting portion and the base fitting portion, the connector unit and the base unit are combined in a state in which the antenna body is positioned with respect to the connector unit. | 12-11-2014 |
20140375524 | ANTENNA AND COMMUNICATION APPARATUS - The present invention provides an antenna in which first and second conductors each having a first width are spirally arranged on first and second planes, respectively, such that a conductor-to-conductor distance is equal to a second width, and an inter ends of spirals of the first and second conductors are connected with a conductor. In this antenna, the direction in which the spiral of the first conductor runs from its outer end to its inter end and the direction in which the spiral of the second conductor runs from its inter end to its outer end correspond to each other, the first width is greater than or equal to the second width, and the first and second conductors are alternately arranged in at least a portion thereof as viewed in a radius direction from an axis of the spiral. | 12-25-2014 |
20150009087 | 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 loop antenna, the first loop antenna configured to provide a first resonant mode. The multi-band antenna also includes a second antenna parasitically coupled to the first loop antenna to provide additional resonant modes of the multi-band antenna. The second antenna is a T-monopole antenna with a base coupled to the ground plane, a first arm extending out from a first side of the base, a second arm extending out from a second side of the base and a folded arm extending back towards the second side of the base from a distal end of the second arm. | 01-08-2015 |
20150054710 | ANTENNA FOR INTER-CHIP WIRELESS POWER TRANSMISSION - Disclosed is an antenna for inter-chip wireless power transmission in a 3D-wireless chip package, wherein the 3D-wireless chip package includes: a first chip transmitting AC power through a transmitting antenna; and a plurality of second chips sequentially stacked on or under the first chip and receiving the AC power from the first chip through receiving antennas, respectively, and the receiving antennas are individually formed on the second chips, respectively, and positioned without vertically overlapping each other over or under the transmitting antenna. | 02-26-2015 |
20150295314 | LOOP ANTENNA HAVING A PARASITICALLY COUPLED ELEMENT - An antenna, a portable electronic device incorporating an antenna and a method of operation are provided to enable both wide and multiple frequency band response. The antenna may include a feeding arm and a parasitic element. The feeding arm may include a conductive loop antenna and a conductive excitation arm portion. The loop antenna portion may extend from a first end that is configured to be grounded to a second end that is configured to be driven by radio frequency circuitry. The excitation arm may be coupled at a first end to the loop antenna portion and extend outwardly therefrom to an open end. The parasitic element may extend from a first end is configured to be grounded to a second end that is open. The parasitic element may extend along opposite sides of the excitation arm portion so as to be coupled thereto. | 10-15-2015 |
20150303572 | ANTENNA DEVICE - An antenna apparatus including a core member having a support part and first protrusion portions disposed on one surface of the support part, and a coil portion wound around the core member, wherein the core member further includes second protrusion portions disposed on the other surface of the support part, opposite to one surface of the support part, and the second protrusion portions have end surfaces provided as mounting surfaces, respectively. | 10-22-2015 |
20160079668 | PLANAR ANTENNA FOR RFID READER AND RFID PDA INCORPORATING THE SAME - A planar antenna comprising: a substrate ( | 03-17-2016 |
20160079669 | ANTENNA STRUCTURE - An antenna structure includes a board unit and a coil unit. The board unit includes a metal board and an insulating board connected with or adjacent to the metal board, and the coil unit is disposed beside the same side of the metal board and the insulating board. In one embodiment, when one narrow side of the metal board and one narrow side of the insulating board connects with each other, the coil unit is disposed right under the commissure of the metal board and the insulating board. In addition, more than half or half of the area of the coil unit is covered by the insulating board, and less than half or half of the area of the coil unit is covered by the metal board. The current direction on the metal board and the current direction on the coil unit are the same as clockwise or counterclockwise. | 03-17-2016 |
20160134019 | NFC ANTENNA MODULE AND PORTABLE TERMINAL COMPRISING SAME - Disclosed are a NFC antenna module which maximizes antenna performance by mounting a radiation sheet in such a manner as to partially overlap with an antenna sheet and a portable terminal comprising the same. The disclosed NFC antenna module comprises: an electromagnetic wave shielding sheet; an antenna sheet laminated on the electromagnetic wave shielding sheet and having a radiation pattern formed along the outer periphery of a central portion thereof; and a radiation sheet laminated on the antenna sheet so as to form an overlapping area with the radiation pattern and having a recess formed therein, through which the central portion is exposed. | 05-12-2016 |
20160181695 | Resonant Compensating Loop for Shielding of Metal for Magnetically Coupled NFC and/or RFID Devices, and Methods of Making and Using the Same | 06-23-2016 |