Abstract: In various embodiments, a booster antenna for a chip arrangement is provided. The booster antenna includes: a first circuit, which forms a first resonant circuit; a second circuit, which forms a second resonant circuit, wherein the first circuit is electrically conductively connected to the second circuit; and a third circuit, which forms a third resonant circuit, wherein the third circuit is electrically conductively connected to the second circuit.

Abstract: 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.

Abstract: Proposed is a transponder for receiving a wireless electromagnetic interrogation signal and for transmitting a wireless electromagnetic response signal with a first coil acting as an antenna for generating a first wired electrical receive signal from the interrogation signal, and with at least one further coil acting as an antenna for generating a further wired electrical receive signal from the interrogation signal, wherein an axis of the first coil and an axis of the further coil are aligned differently in the space, wherein in each case one full-wave rectifier for rectifying the respective receive signal is assigned to the coils, wherein a summing element for summing up the rectified receive signals generated by the full-wave rectifiers is provided in order to generate in this manner a pulsating sum signal, the frequency of which corresponds to twice the frequency of the interrogation signal.

Abstract: A chassis-excited antenna apparatus, and methods of tuning and utilizing the same. In one embodiment, a distributed loop antenna configuration is used within a handheld mobile device (e.g., cellular telephone). The antenna comprises two radiating elements: one configured to operate in a high-frequency band, and the other in a low-frequency band. The two antenna elements are disposed on different side surfaces of the metal chassis of the portable device; e.g., on the opposing sides of the device enclosure. Each antenna component comprises a radiator and an insulating cover. The radiator is coupled to a device feed via a feed conductor and a ground point. A portion of the feed conductor is disposed with the radiator to facilitate forming of the coupled loop resonator structure.

Abstract: 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.

Abstract: 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

Abstract: 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.

Abstract: 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.

Abstract: In a near field communication partner device (1) intended for the contactless transmission of digital data to be transmitted having a transmission circuit (2), the transmission circuit (2) comprises a modulation circuit (17) for the amplitude modulation of a carrier signal (CS), which modulation circuit (17) comprises a circuit stage (20, 20?) for producing a plurality of different resistance values (RW1, RW1?) that act on a signal output (TX1, TX2), which resistance values (RW1, RW1?) can be transformed, by means of a signal processing circuit (3) arranged to transform resistance values that belongs to the communication partner device (1), into transformed resistance values (RW2, RW2?), which transformed resistance values (RW2, RW2?) are responsible for damping a transmission coil (7) of the communication partner device (1) when modulated low-level carrier signal sections are generated in a modulated carrier signal.

Abstract: An antenna assembly includes a substrate including a first surface and a second surface, an antenna coil attached to the first surface of the substrate and including a number of pins, a flexible printed circuit board including a number of first contacts electrically connected to the pins, wherein the substrate is disposed in a same plane with the flexible printed circuit board.

Abstract: 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.

Abstract: An antenna device includes a power feed coil antenna connected to a power feed circuit, and a booster coil antenna including wound coil conductors and disposed so as to be electromagnetically coupled to the power feed coil antenna. The power feed coil antenna includes a first coil antenna and a second coil antenna each including a coil conductor, and the coil conductors of the first and second coil antennas are connected in phase with each other. The first coil antenna is disposed such that the winding axis of the coil conductor of the first coil antenna extends perpendicularly or substantially perpendicularly to the winding axis of the booster coil antenna, and such that at least a portion of the first coil antenna overlaps the coil conductor of the booster coil antenna as viewed in plan.

Abstract: The invention concerns an RFID/NFC antenna circuit. An antenna (L) is formed by at least three turns (S), the antenna having a first end terminal (D) and a second end terminal (E), two access terminals (1, 2) to connect a charge, a tuning capacitance (C1, ZZ) for tuning at a prescribed tuning frequency, an intermediate tap (A) connected to the antenna (L) and distinct from terminals (D, E), a first connector (CON1A) connecting the intermediate tap (A) to terminal (1), a second connector (CON2E) connecting end terminal (E) to the capacitance terminal (C1E). A third connector (CON31, CON32) connects the capacitance terminal (C1X) and the second access terminal (2) respectively to a first point (P1) of the antenna (L) and to a second point (P2) of the antenna (L) connected to the first point of the antenna (L) at least one turn (S) of the antenna (L).

Abstract: 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.

Abstract: A broad-band, multi-band antenna. The antenna includes a ground terminal and a feed terminal, an elongated inductor, a first inductive element electrically coupled between the ground terminal and a first extremity of the elongated inductor, a capacitive element in parallel connection with the first inductive element, and a second inductive element electrically coupled between a second extremity of the elongated inductor and the feed terminal.

Abstract: 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.

Abstract: 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 (la, lb). The invention also relates to a vehicle including such an antenna system.

Abstract: 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.

Abstract: 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.

Abstract: An antenna comprising a first dual delta loop element including a first and a second electromagnetic wave (EM) radiating loop element formed along one axis, where the first and second electromagnetic wave loop elements can be implemented in a delta loop configuration, connected in parallel, and fed in phase. A second dual delta loop element can include a third and a fourth EM radiating loop element formed along an orthogonal axis in the same plane as the first loop. The third and fourth EM loop elements can be implemented in a delta loop configuration, connected in parallel, and fed in phase, where the first dual delta loop element and said second dual delta loop element are disposed in the same plane, having superimposed centers of mass, orthogonal to one another, with related symmetry axis being at ninety degree angle with respect to one another.

Abstract: In one embodiment, the disclosure includes an apparatus for use in a wireless communication device comprising a plurality of antennas, and a selection switch coupled to the plurality of antennas, wherein the selection switch is configured to select a first antenna for use when the wireless communication device is in use in a first physical orientation with respect to a user, and select a second antenna for use when the wireless communication device is in use in a second physical orientation with respect to a user, and wherein the first physical orientation is different from the second physical orientation.

Abstract: The invention relates to a method for manufacturing contactless portable objects having an integrated circuit, and to contactless portable objects having an integrated circuit. The method of the invention is characterized in that it comprises the following steps: providing a dielectric antenna substrate (6) which carries an antenna circuit (7) having at least one turn (7-1, 7-2, 7-3, 7-4) and two contact terminals (8-1, 8-2); providing a bridge (5) having a dielectric bridge substrate (1) and a chip (3) having an integrated circuit; and placing said bridge (5) with said chip (3) onto said dielectric antenna substrate (6) so that the bridge (5) straddles said at least one turn (7-1, 7-2, 7-3, 7-4) and forms an electric connection between said chip (3) and said antenna circuit (7). The invention is particularly useful for HF RFID objects.

Abstract: An apparatus comprising: a ground member (22) including an edge (32); a near field coupling member (30) configured to electromagnetically couple with other coupling members (41) external to the apparatus (12), and being configured to receive signals from and/or provide signals to radio frequency circuitry (14), at least a first portion (44) of the one or more loops being positioned adjacent or at the edge (32) of the ground member, the near field coupling member (30) including one or more loops defining an aperture (42), the near field coupling member being configured to receive one or more antennas (18) within the aperture (42) of the one or more loops. The first portion (44) of the one or more loops may be positioned outside of the edge of the ground member and be separated from the edge by a first gap (46). The apparatus may further comprise one or more decoupling members (48) configured to reduce interference between the near field coupling member and the one or more antennas (18).

Abstract: A system for protecting radio frequency (RF) communications and related techniques includes generating masking signals at an RF device such as a radio frequency identification (RFID) card.

Abstract: A split ring-resonator includes a substrate, an inner-trench or cavity formed into the substrate, the inner trench or cavity including a split, and an outer trench or cavity formed into the substrate around the inner trench or cavity, the outer trench or cavity including another split disposed at an opposite end of the split in the inner trench or cavity, wherein the inner trench or cavity and the outer trench or cavity are configured to receive an electrically conductive gas and/or plasma to form a split-ring resonator.

Abstract: A near field communication (NFC) antenna apparatus with improved operation range, and a portable device having the same are provided. The NFC antenna apparatus includes a first NFC antenna proximate a front surface of the portable device, such as within a black mark area of a front side. A second NFC antenna is proximate a rear surface of the device, such as between a rear case and a PCB. In an exemplary embodiment, the second NFC antenna comprises an outer edge loop, and an inner loop to bolster magnetic field strength in a weak radio area generated by the outer edge loop.

Abstract: An antenna device having a magnetic core to be surface-mounted on a circuit substrate includes a pair of coil portions spaced apart from each other at a predetermined interval. The coil portions are connected by a connecting conductor. An end of the magnetic core includes a curved or bent portion curved toward the circuit substrate. This structure defines an RFID antenna device having an improved receiving sensitivity that can be surface-mounted without increasing the thickness of a casing of a mobile electronic device.

Abstract: A near-field RF communicator which is operable to perform a polling process to initiate communication with another near-field RF communicator in near-field range, wherein the near-field communicator is configured to perform a detection process, having a lower energy requirement than a polling process, to determine whether a near-field RF communicator is present in near-field range, and to perform the polling process in the event that the detection process indicates that a near-field RF communicator is present in near-field range.

Abstract: An antenna for use in an asset-identification system. The antenna includes a plurality of electrically conductive coils electrically connected in parallel. The coils are physically aligned along a common axis. The coils are offset along the common axis by a distance selected to reduce the mutual inductance between the electrically conductive coils, while allowing the signals from the electrically conductive coils to add together.

Abstract: An antenna includes a first antenna element comprising a pseudo-conductor material and forming a substantially closed polygonal loop around a center. The first antenna element conforms to a ground plane. The antenna also includes a plurality of transmission lines in the ground plane. Each transmission line comprises a conductor material, is extending radially outward from a feed end towards an outer end, is electromagnetically coupled to the first antenna element at a crossover point at which the transmission line crosses over the first antenna element, and is coupled, at the center, to a corresponding feed line. The antenna further includes a feed circuit for exciting the plurality of transmission lines to cause the antenna to emit in a predetermined direction and using a predetermined polarization mode.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method for reducing a resistance of an antenna circuit capable of obtaining a desired property by reducing wiring resistance to a suitable value while ensuring inductance is provided. An antenna circuit is disposed to a transponder having a carrier frequency band of 13.56 MHz. The antenna circuit is formed of a prescribed base material and two antenna conductors each of which is formed of the same conductor pattern forming an antenna coil, formed on respective front and back surfaces of the base material by electrically parallel connection. Each of the two antenna conductors has a thickness of greater than equal to 5% and less than 50% of an overall thickness formed of the two antenna conductors and the base material.

Abstract: A chip carrier for contacting with a chip and an antenna is disposed on an antenna substrate. The chip carrier features a carrier substrate having a chip contact arrangement located at a distance from longitudinal ends of the carrier substrate for electrical contacting with a chip. The carrier substrate includes two antenna contact surfaces having the chip contact arrangement therebetween for electrical contacting with the antenna. The chip contact arrangement and the antenna contact surfaces are located on an application surface of the chip carrier. At least one insulation surface-is formed on the application surface between the chip contact arrangement and the antenna contact surfaces.

Abstract: An antenna device includes: a substrate; micro-strip and grounding portions that are respectively disposed on opposite first and second surfaces of the substrate, the former including a signal-feed section for feeding of signals and a plurality of first connecting sections electrically connected to the signal-feed section; and a plurality of first loop antennas arranged along a peripheral edge of the grounding portion, each including a first radiator portion disposed on the first surface and electrically connected to a respective one of the first connecting sections, and a second radiator portion disposed on the second surface, electrically interconnecting the first radiator portion and the grounding portion, and cooperating with the first radiator portion to form a loop.

Abstract: There is provided a communication device that includes an antenna section including a plurality of loop coils that are combined in a polygonal pyramid shape, and a communication section configured to perform contactless communication with another communication device using the antenna section. The plurality of loop coils may include two adjacent loop coils, and magnetic fields generated by the two loop coils may have mutually opposite phases.

Abstract: 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.

Abstract: A device having a quadrature near field communication antenna is provided. The device comprises: a housing having; a first NFC (near field communication) antenna comprising a coil about parallel to a given side of the housing enabled to produce a first magnetic field that extends from the given side of the housing; a second NFC antenna about parallel with the first NFC antenna, the second NFC antenna comprising at least one respective coil forming two opposing current loops enabled to produce a second magnetic field perpendicular to the first magnetic field; and, a circuit for operating the first NFC antenna and the second NFC antenna in quadrature phase.

Abstract: An antenna includes a first loop, a second loop which encloses an outer side of the first loop and is separated from the first loop by a slit and both end of which are merged with both ends of the first loop, and IC chip connection parts provided in a portion where the first loop and the second loop are merged, wherein a loop length of the first loop and a loop length of the second loop are equal to or shorter than one third of a wavelength corresponding to a desired frequency resonant with an IC chip connected to the IC chip connection parts.

Abstract: An appliance network having a first networked appliance, an energy controller, at least one of a smart dimmer and smart adapter, and a communication network coupling the first networked appliance, energy controller, and the at least one of the smart dimmer and smart adapter for communication therebetween.

Abstract: 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.

Abstract: A transceiver is disclosed. The transceiver includes: a circuit board; a receiving antenna mounted to the circuit board; and a transmitting antenna mounted to the receiving antenna. The receiving antenna includes: a supporter; a coil antenna having a coil wound around the supporter; a first terminal arranged on the supporter and connected with the coil antenna; and a second terminals arranged on the supporter. The transmitting antenna includes: a horizontal part extending in a direction perpendicular to a thickness direction of the circuit board; and a vertical part extending in the thickness direction of the circuit board. The vertical part is connected with the horizontal part and the second terminal.

Abstract: A loop antenna is provided. The loop antenna includes: a substrate; an outer pattern including at least one loop on a surface of the substrate; and an inner pattern in an inner region of the at least one loop of the outer pattern, an end of the inner pattern being connected to an end of the outer pattern, wherein the inner pattern is configured so that an electric current flows in the inner pattern in a direction opposite to a direction in which the electric current flows in the outer pattern. Accordingly, an H-Field characteristic of the loop antenna can be enhanced, thereby allowing the loop antenna to have a decreased size and an improved performance.

Abstract: The invention relates to an antenna unit for wireless communication to a multitude of wireless interfaces comprising a multitude of individual antennas, each antenna comprising a coil comprising at least one winding and the individual antennas embrace the same volume and to a hearing aid comprising such antenna unit. The object of the present invention is to provide an antenna unit and a hearing aid providing several wireless interfaces at a relatively small volume. The problem is solved in that at least one of the coils is adapted for providing an inductive coupling to another device. Among the advantages are reduced space/volume, reduced cost and reduced sensitivity to production tolerances compared to a solution comprising individual, separate antennas. The invention may e.g. be used in wireless communication devices, e.g. mobile telephones, head phones, head sets, hearing aids, etc.

Abstract: This invention relates to dynamically controlled, electronic article surveillance (EAS) systems whereby an array of antenna elements is digitally phased and actively driven for concurrent transmission, and digitally phased and combined in the receiver unit to improve security tag detection. In particular, the individual frequency and phase of the plurality of the transmit/receive signals are rapidly varied to allow for automated manipulation (steering) of the transmit field pattern and receive field sensitivity. It is the object of this invention to achieve the following features via means of digital phasing and dynamic computer control: sufficient far-field cancellation, null-free detection and uncompromised detection performance regardless of tag's orientation.

Abstract: A media transaction kiosk with an antenna which provides better field coverage around a return slot. The media transaction kiosk includes a return portion including a wall containing an aperture for receiving a storage device containing media, and an antenna. The antenna includes a first antenna portion in a first position relative to the aperture, wherein the first antenna portion is coupled to a tag reader, wherein the first antenna portion is for radiating an electromagnetic field at a tag reading frequency for reading a tag on the storage device. The antenna further includes a second antenna portion in a second position relative to the aperture, wherein the second antenna portion is located within the electromagnetic field from the first antenna portion, and wherein the second antenna portion is for resonating at the tag reading frequency and for radiating another electromagnetic field for reading the tag.

Abstract: A long-wave or medium-wave receiver receives a first signal from a first terminal of a loopstick antenna on a positive antenna input terminal of the receiver and receives a second signal from a second terminal of the loopstick antenna on a negative antenna input terminal of the receiver. The first and second signals are processed differentially in the receiver. The receiver may optionally be configured to operate in either a differential mode or a single-ended mode by setting switches to selectively connect one of the antenna input terminals to ground in single-ended mode.

Abstract: A portable electronic device includes a first housing, a second housing to the first housing, a circuit board, a display module, a touch panel, a near field communication (NFC) module, and a NFC antenna. The circuit board, the display module, the touch panel, the NFC module and the NFC antenna are orderly mounted in a space between the first housing and the second housing. The NFC antenna is set around the touch panel or at one side of the touch panel or the NFC module.