Class / Patent application number | Description | Number of patent applications / Date published |
343867000 | Plural; plural or tapped coils | 71 |
20080252550 | DUAL-POLARIZED, MULTIPLE STRIP-LOOP ANTENNA, AND ASSOCIATED METHODOLOGY, FOR RADIO DEVICE - A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of loop strips disposed upon a substrate. The loop strips are configured into a pair of L-cornered loops, with the loops sharing a shared set of loop strips. A loop strip of the shared set provides a single feed connection, positioned to permit symmetrical excitation of the antenna. | 10-16-2008 |
20080252551 | COIL ANTENNA AND PORTABLE ELECTRONIC APPARATUS - Coil units including windings are disposed on opposite sides across a virtual center line that is substantially perpendicular to a direction of positional displacement of a portable electronic apparatus that is to be disposed close to a reader/writer. The windings are connected in series through a conductor such that winding directions of the windings are the same. A difference in the communication performance between a case where the portable electronic apparatus is brought closer to a central portion of the reader/writer and a case where the portable electronic apparatus is brought closer to a position that is deviated from the central portion of the reader/writer can be reduced. In particular, even in a case where the portable electronic apparatus is brought closer to a peripheral portion of the reader/writer, a predetermined maximum possible communication range can be ensured. | 10-16-2008 |
20090027296 | ANTENNA ASSEMBLY - An antenna assembly includes an antenna. The antenna assembly includes at least one interrupted loop or rod of electrically conducting material and a printed circuit board (PCB). At least a part of the PCB together with the at least one interrupted loop or rod of electrically conducting material forms the antenna. | 01-29-2009 |
20090115682 | ANTENNA COIL - The present invention provides an antenna coil capable of attaining high sensitivity by increasing a core length, the number of turns of wound coil or a coil length without increasing the antenna coil size. | 05-07-2009 |
20090121965 | SPHERICAL ANTENNA - An antenna comprises a first circular coil, a second circular coil, and a third circular coil, and a housing unit including a sending/receiving interrogator chip. The first, second, and third coil are each connected to the housing unit at two points on each of the first, second, and third coil, and the first, second, and third coil are connected substantially in parallel. | 05-14-2009 |
20090146902 | Loop-Type Antenna and Antenna Array - A loop-type antenna for radio frequency identification includes a main body and a feed portion. The main body includes a loop member and at least one pair of coupled sections. The loop member has at least one gap. Each of the coupled sections is connected with one end of corresponding one of the at least one gap. The pair has identical extension direction. The feed portion is electrically connected with the loop member in the manner that the loop member is symmetrical in terms of the feed portion. An antenna array for radio frequency identification also is provided. | 06-11-2009 |
20090160724 | Polarization agile antenna - A compact polarization agile antenna includes a dual-orthogonal loop structure which is excited by a single RF feed ( | 06-25-2009 |
20090160725 | Co-located transmit-receive antenna system - A transceiver antenna system comprising at least one solenoid receive antenna and at least one transmitting loop antenna, the at least one solenoid receive antenna being located with its axis in the plane of a transmitting loop antenna and located inside the loop. | 06-25-2009 |
20090309803 | COIL PARTS - The invention provides a coil part used for an antenna coil that improves the production rate and enhances its sensitivity. A coil part used in a antenna coil has a cross shape core that includes: a first winding frame part extending a first direction and being provided with a coil, and a second winding frame part extending a direction crossing the first direction and being provided with a coil. A first core including the first winding frame part is interlocked with a second core including the second winding frame part. | 12-17-2009 |
20100194660 | PROXIMITY ANTENNA AND WIRELESS COMMUNICATION DEVICE - A proximity antenna includes a wiring pattern wound in a predetermined direction in a horizontal plane from a signal end to a ground end and a wiring pattern wound in a direction opposite to the predetermined direction in a horizontal plane from a signal end to a ground end, in which the wiring pattern and the wiring pattern are apposed in a vertical direction. The characteristics of a spiral coil having several turns can be thus obtained by a one-turn wiring width, and an installation space for other components, larger than a conventional installation space, can be therefore secured. | 08-05-2010 |
20100277393 | DUAL LOOP MAGNETIC EXCITATION FOR MAIL TAG - A logistical passage measurement system comprising an excitation unit having dual loop antennae, and a control box for exciting said antennae in order to generate a non-zero magnetic field at each point and each orientation in an immediate vicinity of said antennae. | 11-04-2010 |
20100309088 | Near Field Communication - Apparatus including: an antenna configured for efficient far field communication at a first frequency; an inductive element including a plurality of series-connected coiled portions, including a first coiled portion and a second coiled portion, wherein the inductive element is configured to provide near field communication at a second frequency; and at least one reactive element parallel connected between the first coiled portion and the second coiled portion, wherein the at least one reactive element has a lower impedance at the first frequency than at the second frequency. | 12-09-2010 |
20110006967 | CHIP CARRIER FOR A TRANSPONDER MODULE AND TRANSPONDER MODULE - The present invention relates to a chip carrier ( | 01-13-2011 |
20110043431 | ANTENNA ARRANGEMENT HAVING AT LEAST TWO DECOUPLED ANTENNA COILS; RF COMPONENT FOR NON-CONTACT TRANSMISSION OF ENERGY AND DATA; ELECTRONIC DEVICE HAVING RF COMPONENT - There is provided an antenna arrangement for RF systems. An exemplary antenna arrangement comprises at least two antenna coils that are installed on a flat, non-conductive carrier. The first antenna coil as well as the second antenna coil comprise one or more windings that are applied onto the carrier. The antenna coils are arranged in at least two different layers that are one above the other and that do not touch each other. The first antenna coil is of a first quality and the second antenna coil is of a second quality. The first antenna coil is arranged so as to be offset with respect to the second antenna coil in such a way that the mutual inductance between the two antenna coils is minimized. | 02-24-2011 |
20120001823 | Multilayer Film Element - The invention relates to a multilayer film element ( | 01-05-2012 |
20120038538 | ANTENNA DEVICE - An antenna device includes: a plurality of loop metal wires that form loops out of metal wires and that are radially arranged around a center line; a power feeding portion that feeds power to the loop metal wires or a power receiving portion that receives power from the loop metal wires and that is provided on the center line; and a variable impedance element that is inserted in each of the loop metal wires. | 02-16-2012 |
20120112980 | Antenna Arrangement and a Portable Radio Communication Device Comprising Such An Antenna Arrangement - According to various aspects, exemplary embodiments are provided of multiple-turn loop antenna arrangements or assembly. An exemplary embodiment of an antenna assembly generally includes a multiple-turn loop element arranged in a first layer and a planar element arranged in a second layer. The first and second layers are arranged in parallel and the multiple-turn loop element is arranged on top of the planar element. The multiple-turn loop element has a thickness in the order of or more than the skin depth at a first frequency band for the multiple-turn loop antenna and the planar element has a thickness in the order of or less than the skin depth at a second higher frequency band. | 05-10-2012 |
20120154246 | RFID READER AND RFID SYSTEM - The invention relates to an RFID reader having a transmitting antenna ( | 06-21-2012 |
20120182198 | FM Transmission Using A RFID/NFC Coil Antenna - An antenna radiating element is arranged as at least one coil and defines a first feed port and a second feed port at its opposed ends. There is a third feed port disposed along the antenna radiating element substantially at a radio frequency effective symmetry point between the first and the second radio feed ports. The first and second feed ports are for interfacing a first radio (e.g., RFID/NFC radio) to the antenna radiating element, and the third feed port is for interfacing a second radio (e.g., FM-TX) to the antenna radiating element. The antenna radiating element is configured to function simultaneously as a balanced coil antenna with respect to the first radio and as two parallel half-loop antennas with respect to the second radio. | 07-19-2012 |
20120182199 | MULTI-ANTENNA LOOP LAYOUT - A multi-antenna loop layout which comprises an array of physical antenna loops, each antenna loop comprising first and second conductive ends. Each conductive end of each antenna loop in the array is coupled to an electrically common contact point that is electrically in common with one or more conductive ends of a subset of other antenna loops in the array. The cumulative total of electrically common contact points, each common contact point being shared by two or more conductive ends of two or more antenna loops in the array, equals a first value T, the first value T being equal to the sum of a second plural value M and a third plural value N. The number of physical antenna loops is equal to at least the product of M and N, and may be as great as T*(T−1)/2. | 07-19-2012 |
20120194404 | APPARATUS FOR WIRELESS COMMUNICATION COMPRISING A LOOP LIKE ANTENNA - Apparatus ( | 08-02-2012 |
20130002512 | Reduced Q Low Frequency Antenna - A rod antenna and antenna circuit are described which make use of negative feedback to reduce the Q of the antenna, but which also makes use of a different coil tapping arrangement to significantly reduce electric field susceptibility on the detected signal from the main coil as well as different biasing arrangements to reduce noise. More particularly, in some embodiments of the invention the main detector coil of the antenna has a centre tap that is AC grounded with signal taps then being taken from the opposite ends of the main coil, and being respectively fed to the inputs of a differential amplifier. The output of the differential amplifier is then fed to the magnetic circuit of the rod antenna via a second inductor winding that is magnetically coupled to the resonance circuit of the main antenna coil. | 01-03-2013 |
20130002513 | ANTENNA AND WIRELESS COMMUNICATION DEVICE - An antenna and a wireless communication device which are suitable for an RFID system and in which radiation characteristics are prevented from being changed as a result of impedance adjustment are configured such that the antenna includes a first loop electrode that has an external shape of a regular polygon or circle and that includes a pair of open ends, feeding portions arranged inside the first loop electrode, a second loop electrode connected to the feeding portions, and a coupling electrode that couples the first loop electrode and the second loop electrode to each other. The wireless communication device is obtained by coupling the wireless communication element which processes a high-frequency signal to the feeding portions. | 01-03-2013 |
20130038503 | NON-CONTACT COMMUNICATION DEVICE - Provided is a non-contact communication device including an antenna configured to transmit data through non-contact communication after load-modulation of an RF signal from a reader/writer (R/W), wherein the antenna includes: a standard coil having an aperture with a predetermined size; and a small coil having an aperture with a size smaller than a size of the standard coil, wherein the standard coil and the small coil are connected in series or in parallel, and the small coil is arranged such that the aperture of the small coil overlaps a winding part of a coil that is an antenna of the R/W when the non-contact communication device is caused to face the R/W by matching a predetermined position of the non-contact communication device with a reference position of the R/W determined in advance as a position with which the predetermined position of the non-contact communication device is to be matched. | 02-14-2013 |
20130135172 | RESONANT CIRCUIT AND ANTENNA DEVICE - A resonant circuit and an antenna device achieve a low resonance frequency without increasing a coil size, and improve communication performance. In the resonant circuit, two coil-shaped conductors are arranged so as to be opposed to each other with a dielectric sheet interposed therebetween. The two coil-shaped conductors are, at the opposed portions thereof, coupled with a capacitance interposed therebetween, and wound so that electric currents flowing through the respective conductors trend in the same direction in a planar view. The opposed area in at least a portion of the outermost windings and/or innermost windings of the coil-shaped conductors is larger as compared with the opposed area in any other winding, and the respective ends of the conductors define power feeding units. | 05-30-2013 |
20130154898 | ANTENNA CONFIGURATION METHOD AND APPARATUS - The present invention relates to the field of data transmission. In one form, the invention relates to the transmission and/or reception of data modulated signals between various devices, including loads and/or antennas. In another form, the invention relates to the field of transponders (tags), such as Radio Frequency Identification Devices (RFID), interrogator devices/systems and the transmission of data between a tag and an interrogator. The present invention utilises antenna design to alleviate tag coupling. | 06-20-2013 |
20130194155 | WIRELESS COMMUNICATION SYSTEM, AND SMALL PORTABLE DEVICE, HOUSING CASE FOR A SMALL PORTABLE DEVICE, AND COMMUNICATION DEVICE FOR A SMALL PORTABLE DEVICE TO BE USED IN THE WIRELESS COMMUNICATION SYSTEM - A wireless communication system may include a first coil having at least a function of transmitting signal information, a relay coil, and a second coil having at least a function of receiving the signal information, and satisfying Equation (1): RO1>RO2>RO3, where RO1 represents an outer diameter of the first coil, RO2 represents an outer diameter of the relay coil, and RO3 represents an outer diameter of the second coil, and a small portable device, a housing case for a small portable device, and a communication device for a small portable device to be used in the wireless communication system. | 08-01-2013 |
20130194156 | LTE ANTENNA PAIR FOR MIMO/DIVERSITY OPERATION IN THE LTE/GSM BANDS - There is disclosed a multiple-input multiple-output (MIMO) antenna system comprising first and second folded or compacted loop antennas ( | 08-01-2013 |
20130271343 | ANTENNA FOR A MOIST ENVIRONMENT - The invention relates to an inductive antenna, comprising: a first planar conductive winding ( | 10-17-2013 |
20140035793 | ANTENNA DEVICE AND COMMUNICATION TERMINAL APPARATUS - An antenna device includes a body and first and second coil antennas. Each coil conductor of the first and second coil antennas is provided at least one of inside and on a surface of the body. The first coil antenna includes a winding axis intersecting at least one side surface of the body. The second coil antenna includes a winding axis intersecting first and second main surfaces of the body. | 02-06-2014 |
20140071018 | CONFORMAL MM-WAVE PHASED ARRAY ANTENNA WITH INCREASED SCAN COVERAGE - A system according to one embodiment includes a phased array antenna comprising a plurality of slot loop antenna elements, the plurality of slot loop antenna elements configured in a planar array disposed on a flexible dielectric substrate, wherein each of the plurality of slot loop antenna elements generates a beam pattern orthogonal to the plane of the planar array; and driver circuitry coupled to each of the plurality of antenna elements, wherein the driver circuitry comprises a plurality of transceivers, the plurality of transceivers configured to provide independently adjustable phase delay to each of the plurality of slot loop antenna elements. | 03-13-2014 |
20140078015 | ANTENNA DEVICE - An antenna device and supports for an antenna. The antenna device includes a plate-like support, having a from, back, and surrounding side face. The surrounding side face has a first groove. The front of the support has at least one second groove. The first antenna cable is located in the first groove and in the second groove. The first and second end regions of the second groove are spaced apart from the surrounding side face. The first end region of the second groove has a first opening to the first groove, and the second end region of the second groove has a second opening to the first groove. The first antenna cable is routed through the first and second openings. | 03-20-2014 |
20140085161 | Distributed loop antenna with multiple subloops - An electronic device may be provided with antenna structures. The antenna structures may be formed using a dielectric carrier structure. The antenna structures may have first and second loop antenna resonating elements. The first loop antenna resonating element may indirectly feed the second loop antenna resonating element. The second loop antenna resonating element may be a distributed loop element formed from multiple antenna resonating element subloops. The second loop antenna resonating element may be formed from a strip of metal with a width that loops around the dielectric carrier. An opening in the metal may separate first and second subloop antenna resonating elements from each other in the second loop antenna resonating element. Openings in the metal may form metal segments that collectively form an inductance for the first subloop. Antenna currents may flow through metal traces on the carrier and portions of an electronic device housing wall. | 03-27-2014 |
20140085162 | LOOP ANTENNA - A loop antenna includes first and second loops that are formed with respective conductive wires. In this case, the second loop is formed with a double loop having current paths of opposite directions. | 03-27-2014 |
20140125548 | Apparatus With A Near Field Coupling Member And Method For Communication - An apparatus comprising: a ground member ( | 05-08-2014 |
20140145903 | ANTENNA DEVICE - An antenna device includes a core, a first bobbin, and a second bobbin. A first antenna coil is wound around the first bobbin. A second antenna coil is wound around the second bobbin. The second bobbin includes an accommodation portion, which includes an opening in an outer surface of the second bobbin at a location other than where the second antenna coil contacts. The accommodation portion accommodates the core, and the second bobbin is accommodated in the hollow interior of the first bobbin. | 05-29-2014 |
20140145904 | ANTENNA DEVICE - An antenna device is provided with first and second bobbins. The first bobbin includes an end wall and a hollow interior. A first antenna coil is wound around the first bobbin. A second antenna coil is wound around the second bobbin. The first bobbin includes two terminals arranged on the end wall and electrically connected to two ends of the first antenna coil, respectively. The end wall includes two through holes that extend to the hollow interior of the first bobbin. The second bobbin includes two terminals electrically connected to two ends of the second antenna coil, respectively. The second bobbin is accommodated in the hollow interior of the first bobbin. The two terminals of the second bobbin are inserted through the two through holes, respectively. | 05-29-2014 |
20140145905 | ANTENNA SYSTEM WITH INTERLOCKING LOOPS AND VEHICLE COMPRISING SUCH AN ANTENNA SYSTEM - The invention relates to a loop antenna system comprising a first electrically conductive filiform element forming a loop portion. The antenna system further comprises a second electrically conductive filiform element forming a loop portion, and the two filiform elements have different lengths (l | 05-29-2014 |
20140145906 | ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE - An antenna device includes a first coil antenna and a second coil antenna. The first coil antenna includes a coil conductor having a rectangular or substantially rectangular spiral shape and located on a non-magnetic insulating base member. The second coil antenna includes two coil conductors located on a non-magnetic insulating base member. The two coil conductors are disposed and wound such that loops of a magnetic field that is generated by applying a current to the two coil conductors are perpendicular or substantially perpendicular to a coil axis of the coil conductors. | 05-29-2014 |
20140152527 | ANTENNA CONFIGURATION METHOD AND APPARATUS - The present invention relates to the field of data transmission. In one form, the invention relates to the transmission and/or reception of data modulated signals between various devices, including loads and/or antennas. In another form, the invention relates to the field of transponders (tags), such as Radio Frequency Identification Devices (RFID), interrogator devices/systems and the transmission of data between a tag and an interrogator. The present invention utilises antenna design to alleviate tag coupling. | 06-05-2014 |
20140198011 | ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS - An antenna device includes a feeding coil antenna and a booster coil antenna electromagnetically coupled to the feeding coil antenna. The feeding coil antenna includes a plurality of coil portions including at least one magnetic body and each including a coil conductor wound around the at least one magnetic body. The plurality of coil portions are connected to one another in an in-phase mode, and are arranged near one another such that winding axes of the coil conductors are oriented approximately in the same direction and at least portions of respective openings of the coil conductors face one another. | 07-17-2014 |
20140203992 | ANTENNA DEVICE, FEED ELEMENT, AND COMMUNICATION TERMINAL DEVICE - An antenna device includes a conductor surface in which an opening having an open edge portion in communication with the outside is provided, a feed element including a first coil connected to the feed element and a second coil magnetically coupled to the first coil, a first mounting portion disposed in the open edge portion and connected to a first end of the second coil, and a second mounting portion disposed in the open edge portion in a state isolated from the first mounting portion and connected to a second end of the second coil. The first mounting portion and the conductor surface are directly or indirectly conducted to each other, and the second mounting portion and the conductor surface are directly or indirectly conducted to each other. A loop is defined around the opening through the first mounting portion, the second mounting portion, and the second coil. | 07-24-2014 |
20140203993 | ANTENNA AND ELECTRONIC DEVICE - An antenna includes: a first conductor layer including a first split ring part surrounding a first opening part, the first split ring part having a first split part provided at a portion in a circumferential direction, the first split ring part being continuous in an approximate C-shape; a second conductor layer including a second split ring part opposing the first split ring part, the second split ring part surrounding a second opening part, the second split ring part having a second split part at a portion in a circumferential direction, the second split ring part being continuous in an approximate C-shape; a plurality of conductor vias provided with an interval in a circumferential direction of the first split part and the second split part, the conductor vias electrically connecting the first split ring part and the second split ring part; and a power feed line provided on a conductor layer different from the first conductor layer, the power feed line having a first end and second end, the firs end being electrically connected to at least one of the conductor vias, the second end spanning the first and the second opening parts and extending to a region opposing the first split ring part. | 07-24-2014 |
20140218262 | ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS - In order to increase flexibility regarding a disposition of an antenna coil and to enable a hot spot to be provided at a desired position, an antenna device includes a main coil antenna and a sub-coil antenna connected to the main coil antenna. A coil opening of the sub-coil antenna and a coil opening of the main coil antenna are arranged side by side in plan view so that the main coil antenna and the sub-coil antenna are magnetically coupled to each other. The main coil antenna and the sub-coil antenna are wound so as to generate magnetic fields having opposite phases. | 08-07-2014 |
20140247194 | GNSS ANTENNAS - A global navigation satellite system (GNSS) antenna system includes interference mitigation and multipath canceling. Multiple ports or phased arrays of antennas can be provided. Antennas can comprise controlled radiation pattern antennas (CRPA). Crossed dipole and patch antenna configurations can be utilized. | 09-04-2014 |
20140253406 | Segmented Antenna - An antenna comprising a main arm comprising conductive material, wherein the main arm is connected to a signal feed, and a first coupling arm comprising conductive material, wherein the first coupling arm is electrically coupled to a ground, and wherein the first coupling arm is electrically coupled to the main arm across a first span of nonconductive material. Also disclosed is a mobile node (MN) comprising a signal feed, a ground, and an antenna comprising a main arm comprising conductive material, wherein the main arm is connected to the signal feed, and a first coupling arm comprising conductive material, wherein the first coupling arm is connected to the ground, and wherein the first coupling arm is electrically coupled to the main arm across a first span of nonconductive material. | 09-11-2014 |
20140266966 | MULTI-LOOP ANTENNA SYSTEM FOR CONTACTLESS APPLICATIONS - An antenna system suitable for use with contactless transaction devices, the antenna system including a reader, a primary loop antenna having a first end and a second end, each one of the first and second ends being coupled to the reader and at least one secondary loop antenna galvanically connected to the primary loop antenna at a single connection point and positioned with respect to the primary loop antenna so as to make capacitive coupling therebetween negligible. | 09-18-2014 |
20140266967 | Metamaterial Particles for Electromagnetic Energy Harvesting - Antennas developed for electromagnetic field energy harvesting, typically referred to as rectennas, provide an alternative electromagnetic field energy harvesting means to photovoltaic cells if designed for operation in the visible frequency spectrum. Rectennas also provide energy harvesting ability or power transfer mechanism at microwave, millimeter and terahertz frequencies. However, the power harvesting efficiency of available rectennas is low because rectennas employ traditional antennas whose dimensions is typically proportional or close to the wavelength of operation. This invention provides a device for electromagnetic field energy harvesting that employs a plurality of electrically-small resonators such as split-ring resonators that provide significantly enhanced energy harvesting or energy collection efficiency while occupying smaller footprint. The invention is applicable to electromagnetic energy harvesting and to wireless power transfer. | 09-18-2014 |
20140292610 | NON-CONTACT COMMUNICATION ANTENNA, COMMUNICATION DEVICE, AND METHOD FOR MANUFACTURING NON-CONTACT COMMUNICATION ANTENNA - There is provided a non-contact communication antenna including a first antenna pattern that is formed on one surface of a base material, and a second antenna pattern that is formed on a back surface of the one surface of the base material. The first antenna pattern includes a first coil section and a first electrode section. The second antenna pattern includes a second coil section and a second electrode section. Capacitance of the first electrode section and the second electrode section compensates a change in capacitance depending on a formation situation of the first coil section and the second coil section. | 10-02-2014 |
20140292611 | ANTENNA APPARATUS - An antenna apparatus includes an antenna substrate, a coil antenna including a conductive pattern located on the antenna substrate, a feeding coil magnetically coupled with the coil antenna, and a transceiver circuit electrically connected with the feeding coil. The feeding coil is disposed on the same substrate as the coil antenna, and is defined by a conductive pattern, which is not electrically connected with the coil antenna. Two terminals of the feeding coil are electrically connected with the transceiver circuit. | 10-02-2014 |
20140300526 | SYSTEM, METHOD AND APPARATUS INCLUDING HYBRID SPIRAL ANTENNA - A spiral antenna device includes a plurality of generally polygonal loops. The polygonal loops have respective side counts that decrease progressively as a function of the loop's radial distance from a center of the antenna device. The side count may vary between loops as a multiple of a power of two. | 10-09-2014 |
20140347244 | ELECTRONIC DEVICE FOR ELECTROMAGNETIC EXPANSION AND CONCENTRATION - An electronic device for electromagnetic expansion and concentration is described, including: —a module to be monitored including a first antenna and an integrated control circuitry, the first antenna being electrically coupled to the integrated control circuitry; an electromagnetic expansion and concentration module comprising a second antenna configured to communicate with a remote antenna of an external data collection and control device, relative to the electromagnetic expansion and concentration module, by an electromagnetic coupling, said electromagnetic expansion and concentration module comprising a third antenna electrically coupled to said second antenna, said third antenna being configured to communicate with said first antenna of the module to be monitored by a near-field magnetic coupling. The second antenna is configured to communicate with said remote antenna, relative to the electromagnetic expansion and concentration module by a far-field electromagnetic coupling. The electromagnetic expansion and concentration module further comprises a fourth antenna electrically coupled between said second antenna and said third antenna, said fourth antenna being configured to communicate with a further remote antenna of a further external data collection and control device, relative to the electromagnetic expansion and concentration module by a near-field magnetic coupling. | 11-27-2014 |
20140354509 | LOOP ANTENNA - A loop antenna in accordance with the present invention has an antenna element having a shape that traces a closed curve, the antenna element including (i) a first projection section which projects from one of two end sections of the antenna element toward an inside of the closed curve and (ii) a second projection section which projects from the other of the two end sections of the antenna element toward the inside of the closed curve, each of the first projection section and the second projection section including a feed point. | 12-04-2014 |
20140368404 | Antenna system providing simultaneously identical main beam radiation characteristics for independent polarizations - Techniques of designing an antenna array or antenna system are described. The antenna system includes a plurality of antenna units structured in a way to form a desired antenna pattern. According to one aspect of the present invention, each of the antenna units includes two antennas disposed orthogonally or in parallel. These antenna units are arranged in a pre-defined geometric pattern to create two substantially similar main beam radiation characteristics for independent polarizations. | 12-18-2014 |
20150009088 | Diplexing and Triplexing of Loop Antennas - An antenna system comprising a plurality of loop antenna sets with each of the plurality of loop antenna sets disposed in one of a plurality of different parallel planes with each of the planes being spaced apart from another adjacent plane and wherein loop antenna set in the plurality of loop antenna sets comprises a plurality of loop antennas and wherein the plurality of loop antennas are configured such that the near field inductive coupling between the plurality of loop antenna sets is zero. The absence of inductive coupling between the loop elements provides a frequency-independent means for multiplexing signals for transmission and reception by the multiple loop antenna system. | 01-08-2015 |
20150097753 | ANTENNA STRUCTURE AND WIRELESS COMMUNICATION DEVICE EMPLOYING SAME - An antenna structure includes a feeding portion, a first grounding portion, a second grounding portion, a first loop antenna and a second loop antenna. The feeding portion has a first side and a second side parallel to the first side. The first grounding portion is positioned adjacent and apart from the first side of the feeding portion. The second grounding portion is positioned adjacent and apart from the second side of the grounding portion. The first loop antenna is defined to accept a second loop antenna therein, and is electronically coupled to the first and second grounding portions. The second loop antenna is positioned inside and apart from the first loop antenna, and further electronically coupled to the feeding portion. | 04-09-2015 |
20150145746 | Loop Antenna - A loop antenna is provided, which includes a first loop section, a second loop section and a third loop section. The first loop section surrounds and defines an empty area. The second loop section surrounds and connects the first loop section, and an annular groove is formed between the first loop section and the second loop section. The third loop section surrounds and connects the second loop section. The width of a gap between the third loop section and the second loop section is smaller than the width of the annular groove. | 05-28-2015 |
20150303571 | ULTRA-LOW PROFILE MONOPOLE ANTENNA FOR 2.4GHz BAND - The disclosure concerns an ultra-small and ultra-low profile monopole antenna for configured for use in ISM bands. The antenna generally includes a flexible substrate having a printed conductor pattern thereon. The printed conductor pattern includes: a first conductor portion having a first solder pad and at least two concentric loops, and preferably three concentric loops extending therefrom, with a rectangular trace pad disposed within the concentric loops; and a second conductor portion defined by a conductor sheet being disposed adjacent to the first conductor portion, the conductor sheet having a second solder pad thereon. The antenna is configured to attach with a coaxial cable having a feed wire coupled to the first solder pad and further having a ground wire coupled to the second solder pad. | 10-22-2015 |
20150318624 | Embedded Symmetric Multiple Axis Antenna System With Isolation Among The Multiple Axes - The present disclosure pertains to a rotationally triply symmetric three axis magnetic antenna system having substantial isolation among the three axes, including a three axis skew orthogonal magnetic antenna system and device utilizing the antenna system. The antenna system comprising three substantially identical magnetic antenna elements disposed symmetrically about a reference point such that the magnetic axes from the three antenna elements are orthogonal to one another in direction and do not intersect one another. The three antenna elements are positioned in a substantial cross coupling null from one another to minimize cross coupling. The arrangement yields packaging efficiency for compact electronic devices. A 1, 1, diameter embodiment is disclosed. A location system utilizing the antenna system is disclosed. Methods for producing the antenna are disclosed. A moldable triple coil holder for the antenna system is described. | 11-05-2015 |
20150333404 | NFC ANTENNA - The disclosure illustrates a NFC antenna. The NFC antenna includes a first radiating portion and a second radiating portion. The first radiating portion is formed by a first conducting wire surrounding an axis core. The second radiating portion is formed by a second conducting wire surrounding the same axis core based on a surrounding direction which the first radiating portion surrounds the axis core. A second signal input terminal of the second radiating portion is electrically connected to a first signal input terminal of the first radiating portion. An open end of the second radiating portion is disposed proximately to a first signal output terminal. Thus, the NFC antenna can reduce the interferences affected from surrounding metal elements, and improve a quality factor of the NFC antenna. | 11-19-2015 |
20150333405 | THREE-AXIS ANTENNA - A three-axis antenna including a first through a third antenna coils each of which has: a planar coil wound around a winding axis, and sheet cores inserted into the central hole of each the planar coils, wherein the three antenna coils are arranged in a manner that the respective antenna coils do not overlap each other, and the planes of the planar coils are coplanar, and the axial directions of the respective sheet cores of the first through third antenna coils cross and, in doing so, form angles of 120° with each other. | 11-19-2015 |
20160006115 | Manufacturing Method for Wireless Devices - A manufacturing method for a wireless device may involve placing a plurality of antennas on a plastic layer, wherein each of the antennas comprises one or more conductive loops positioned within an inner diameter and an outer diameter; placing a plurality of sensor chips on the plastic layer such that each sensor chip is interconnected to a respective antenna on the plastic layer and is positioned within the inner diameter and outer diameter of the respective antenna, wherein each sensor chip has a respective sensor facing away from the plastic layer and has respective electrical contacts interconnected with the respective antenna; and providing an encapsulation layer over the plurality of antennas and the plurality of sensor chips on the plastic layer. | 01-07-2016 |
20160006123 | CONFORMAL ELECTRONIC DEVICES - The present invention relates to a flexible antenna that can harvest energy for short-range wireless communication such as near-field communication. The flexible antenna comprises a plurality of metal loops arranged in a concentric manner and disposed on a flexible base substrate. In some embodiments the flexible antenna can be stretchable. In some embodiments, the flexible antenna can be conformal. A flexible device comprising a chip or an integrated circuit electrically connected to the antenna can be used to perform one or more desirable functions (including user authentication, mobile payments, and/or location tracking) The flexible device can adhere to a surface such as the skin of a user. | 01-07-2016 |
20160013554 | INTEGRATED ANTENNA, AND MANUFACTURING METHOD THEREOF | 01-14-2016 |
20160042863 | ELECTRONIC DEVICE FOR REDUCING INTERFERENCE BETWEEN A CHARGING COIL AND AN ANTENNA - An electronic device is provided. The electronic device includes a battery; a non-contact near field communication antenna; a wireless charging coil; and a case covering the battery, wherein the wireless charging coil is positioned between the battery and the case, and wherein one of the non-contact near field communication antenna and the wireless charging coil is positioned to surround the other one of the non-contact near field communication antenna and the wireless charging coil. | 02-11-2016 |
20160104936 | Multiple Input Loop Antenna - A multiple input loop antenna comprising one or more half-loop antennas disposed above a ground plane wherein the plane of each half loop is perpendicular to the ground plane such that the multiple input loop antenna is a three-dimensional structure and electromagnetic waves are radiated from points within the volume occupied by the antenna rather than from a two-dimensional surface. For this reason, the multiple input loop antenna can radiate levels of peak power without inducing excessive air breakdown which are relatively high compared with peak power levels of conventional antennas having comparable transverse dimensions. Also described is an array antenna comprised of an array of multiple input loop antennas. | 04-14-2016 |
20160111795 | ANTENNA AND ELECTRONIC EQUIPMENT - The present technology relates to an antenna and electronic equipment, whereby the antenna can be downsized. One or more standard coils including an opening part of a given size and one or more small coils including an opening part smaller in size than the opening part of the standard coil are connected electrically. A standard coil layer including the standard coil and a small coil layer including the small coil are stacked such that the opening part of the small coil lies within the opening part of the standard coil. A surface layer is the standard coil layer. The present technology can be applied to an antenna performing non-contact communication, and the like, for example. | 04-21-2016 |
20160118711 | BOOSTER ANTENNA CONFIGURATIONS AND METHODS - A booster antenna (BA) for a smart card comprises a card antenna (CA) component extending around a periphery of a card body (CB), a coupler coil (CC) component at a location for an antenna module (AM), and an extension antenna (EA) component contributing to the inductance of the booster antenna (BA). At least one of the components may have a pitch which is different than one or more of the other components. A method of wire embedding is also disclosed, by controlling a force and ultrasonic power applied by an embedding tool at different positions on the card body (CB). | 04-28-2016 |
20160148752 | NFC ANTENNA AND ELECTRONIC DEVICE WITH THE SAME - A near field communication (NFC) antenna includes a first loop for receiving an electrical signal from the outside and a plurality of closed loops disposed in an inner area of the first loop. The plurality of closed loops do not overlap each other. | 05-26-2016 |
20160254842 | ANTENNA DEVICE OF ELECTRONIC APPARATUS | 09-01-2016 |
20180026372 | ANTENNA WITH MULTIPLE RESONANT COUPLING LOOPS | 01-25-2018 |