Abstract: A method for producing a card body for a chip card, includes the steps of: providing a flat card body having a metallic core, wherein the metallic core is covered at least partly with a plastic layer at least on a main area and wherein the metallic core has a slit running from an outer edge of the main area into this main area; and incorporating a cavity having a bottom area for receiving a chip module into the plastic layer in such a way that the cavity covers the slit at least partly and that at least along the slit an excess material remains with respect to the bottom area.

Abstract: In one aspect, a system that provides a lens-integrated reconfigurable radiating source capable of two-dimensional continuous beam steering is disclosed. The system can include a silicon (Si) chip that further comprises a two-dimensional (2D) array of pixel sources/unit cells, wherein each unit cell in the 2D array includes an on-chip antenna for radiating power. The system further includes Si lens coupled to the silicon chip for controlling a directivity of a radiation beam generated by the chip. Note that the unit cells in the 2D array of unit cells can be independently activated to generate high-directivity radiation beams in a discrete set of firing angles. Moreover, the 2D array is configured to effectuate injection locking between adjacent unit cells in the 2D array when the adjacent unit cells are turned on simultaneously, wherein the injection locking effectuates a coherent radiation beam that can be continuously steered within a scanning range with fine resolution.

Abstract: A printed antenna may include a loop antenna body, a feed port, and a switch component. The loop antenna body includes a first end and a second end, there is a spacing between the first end and the second end, a connection line between the first end and the second end forms a closed loop with the loop antenna body. The feed module is configured to output a feed signal to the loop antenna body by using the feed port. The loop antenna body includes a plurality of loop antenna branches, the switch component is disposed between every two adjacent loop antenna branches, and the switch component is configured to connect or disconnect the two adjacent loop antenna branches.

Abstract: An electronic device according to various embodiments of the disclosure may include: a housing including a first housing and a second housing, a wireless communication circuit, and at least one contact structure comprising a conductor, wherein the first housing may include a ground and the second housing may include a conductive portion, wherein, in a first state, the second housing may be configured to move in a first direction to be changed to a second state and, in a second state, the second housing may be configured to move in a second direction to be change to the first state, and wherein, in the first state, the at least one contact structure may be configured to electrically connect the ground of the first housing to the conductive portion of the second housing, and the wireless communication circuit may be configured to receive a signal by feeding power to a point of the conductive portion of the second housing.

Abstract: A display device includes a display panel, and an input sensor disposed on the display panel. The input sensor includes a detection electrode in an active area of the input sensor, a signal line connected to the detection electrode, a slave chip connected to the signal line and overlapping a non-active area adjacent to the active area, a master chip overlapping the non-active area, and a plurality of connection lines connecting the master chip and the slave chip so that a sensed signal of the detection electrode is delivered to the master chip through the slave chip.

Abstract: A power meter includes a plurality of first terminals for receiving a measure of current and a plurality of second terminals for receiving a measure of voltage of each of one or more phases of power that is delivered to the load. A controller is configured to determine a number of power monitor parameters based on the measure of current of each of one or more phases of power that is delivered to the load and/or the measure of voltage of each of one or more phases of power that is delivered to the load. The power meter includes an I/O interface for communicating one or more of the power monitor parameters over a network using a configurable mapping that maps the power monitor parameters with corresponding addressable locations.

Abstract: The invention relates to a communication device radiating a purely dipole structure. The communication device includes a metallic sphere having a central axis and electrical wiring wound azimuthally around the central axis of the metallic sphere so that an electric current density of the electric wiring is proportional to a sine of a spherical elevation angle of the metallic sphere.

Abstract: The application discloses a display panel and a mobile terminal. The display panel arranges at least a portion of coil of an electromagnetic antenna in a display area, and wirings of the electromagnetic antenna are arranged in the display area, rather than being arranged in a non-display area similar to a known display device, so that wirings in the non-display area can be avoided to realize a narrow side-frame structure of a mobile terminal.

Abstract: An antenna assembly including flexible antenna elements connected to a non-flexible antenna element which connects to a counterpoise where the non-flexible antenna element is between the counterpoise and the flexible antenna elements. The flexible antenna elements are a plurality of peripheral flexible antenna elements and a central flexible antenna element. The plurality of peripheral flexible antenna elements are separated from and surrounding the central flexible antenna element. The non-flexible antenna element is a biconical antenna, formed from two tapered shapes connected at a central feed point such that a constant electrical impedance as the currents radiate outward from the central feed point. A total length of the flexible antenna elements connected to the non-flexible antenna element is ?43.0 cm, and the flexible antenna elements connected to the non-flexible antenna element has a realized gain of at least 2 dB over at least a frequency range of 200-7000 MHz.

Abstract: Disclosed is an automotive array antenna according to an embodiment. The automotive array antenna includes: a first substrate; a plurality of second substrates vertically arranged on one surface of the first substrate and spaced apart at predetermined intervals; and loop antennas formed on surfaces on one side, respectively, of the plurality of second substrates, wherein the surfaces on one side, respectively, of the plurality of second substrates are arranged in the same direction.

Abstract: An RFID tag includes an IC chip on which identification information is recorded, a loop-like conductor that is connected to the IC chip, and an antenna unit that includes two lattice-shaped antenna patterns connected to the loop-like conductor and extending away from each other from the loop-like conductor.

Abstract: Provided in the present disclosure are an antenna, an antenna power supply method, a single-feeding-based method for combining antennas, and a terminal. The antenna comprises: a low-frequency antenna, a high-frequency antenna, and a filter. The filter is provided between the low-frequency antenna and the high-frequency antenna and isolates the low-frequency antenna and the high-frequency antenna. The low-frequency antenna and the high-frequency antenna use the same feeding point for feeding.

Abstract: Suggested is an antenna module which maximizes a characteristic of isolation between two radiation patterns located adjacent to each other by forming a ground wall, by means of through-holes, at the radiation patterns. The suggested antenna module comprises: a first radiation pattern disposed on the upper surface of a base substrate; a second radiation pattern disposed on the upper surface of the base substrate while being spaced away from the first radiation pattern; a plurality of first through-holes arranged in parallel with one side of the first radiation pattern facing the second radiation pattern; and a plurality of second through-holes arranged in parallel with one side of the second radiation pattern facing the first radiation pattern.

Abstract: A Near-Field Communication (NFC) antenna and an electronic apparatus include a metal structure on a personal computer (PC), an inductor, a capacitor, and an NFC chip. One end of the metal structure on the PC is coupled to one end of the inductor. The other end of the inductor is coupled to one port of the NFC chip and one end of the capacitor. The other end of the metal structure on the PC is coupled to the other port of the NFC chip and the other end of the capacitor.

Abstract: A dual-band HP omnidirectional antenna includes an electrically small (ES) first omnidirectional loop antenna for a first band, and a second omnidirectional loop antenna for a second band. The first omnidirectional loop antenna and the second omnidirectional loop antenna are capable of operating independently in the first band and the second band. A loading effect of the second omnidirectional loop antenna adapted to suppress a higher-order mode of the first omnidirectional loop antenna.

Abstract: An antenna apparatus includes a ground substrate, a feeding point provided on the ground substrate, a first loop antenna of which one end is electrically connected to the feeding point and of which another end is electrically connected to the ground substrate and moreover which operates at a first frequency, and a second loop antenna of which both ends are respectively connected to a first end point and a second end point of the first loop antenna and which operates at a second frequency. A space between the first end point and the second end point forms a gap with a range in which the first loop antenna is capable of resonating at the first frequency.

Abstract: A vehicle identification means serve to identify vehicles by means of a unique identification. The protection of such identifications against falsification and tampering proves particularly problematic. For this purpose, known vehicle identification means have data carriers which can be read out in a contactless fashion and on which data for permitting unambiguous identification are stored. However, such identification means are very complex in design and are susceptible to faults. The invention provides an improved vehicle identification means which has a design which is as simple as possible and has a lower level of susceptibility to faults. This is ensured in that at least one NFC transponder which can be read out in a contactless fashion and has the purpose of near-field communication with a data carrier and an antenna is assigned to a registration number plate body, wherein at least part of the antenna is arranged in a breakthrough.

Abstract: A mobile terminal and an antenna radiation method of the mobile terminal are provided. The mobile terminal includes a frame employed as an antenna, the frame having a feed point; an antenna bracket positioned within the frame; a first metal sheet positioned on the antenna bracket, and coupled to the feed point; and a second metal sheet positioned on the antenna bracket, a gap being positioned between the second metal sheet and the first metal sheet, the second metal sheet being coupled to the first metal sheet via the gap for feeding.

Abstract: Disclosed is an infotainment device.

Abstract: An antenna structure includes a first antenna radiator, a second antenna radiator, a first impedance matching circuit, a second impedance matching circuit, and a signal source, wherein the first antenna radiator is coupled to the second antenna radiator by means of a slot; the end of the first antenna radiator away from the slot is grounded, and the first antenna radiator is provided with a feed point, the end of the second antenna radiator away from the slot is grounded; a first end of the first impedance matching circuit is connected to the feed point, and a second end of the first impedance matching circuit is connected to a first end of the signal source; a first end of the second impedance matching circuit is connected to a third end of the first impedance matching circuit, and a second end of the second impedance matching circuit is grounded.

Abstract: Improved RFID devices and manufacturing methods that utilize more efficient RFID designs, result in less manufacturing material waste and increased recycling opportunities, all without sacrificing RFID device performance, are disclosed herein. Some exemplary embodiments of the improved RFID device may make use of a thinner foil, a hollowed-out foil, a “no-strip” design, or a tessellated design that may reduce material usage. Other exemplary embodiments may use a lower-impact and/or biodegradable adhesive so as to improve aluminum recycling and lessen risks to the environment.

Abstract: A wireless module has a multilayer substrate, an element installation section formed in one region in a substrate plane of the multilayer substrate, and an antenna. The antenna includes a conductor unit formed in another region in the substrate plane of the multilayer substrate. The conductor unit has a first end and a second end that extend along an outer periphery of the other region and that are separated from each other in a direction of the extension, and is formed in a loop as seen from a direction perpendicular to a substrate surface of the multilayer substrate. A feed unit connected to the first end of the conductor unit receives input of an AC signal of a prescribed frequency. A short-circuit line has a first end connected to a ground and a second end connected to the conductor unit through the feed unit.

Abstract: An antenna system includes: a first antenna element configured to transduce between second wireless energy and second transmission-line-conducted energy, wherein the first and second wireless energy are of first and second polarizations of the first antenna element and in first and second directions that are different and define a first plane; and a second antenna element configured to transduce between third wireless energy and third transmission-line-conducted energy and between fourth wireless energy and fourth transmission-line-conducted energy, wherein the third and fourth wireless energy are of first and second polarizations of the second antenna element and in third and fourth directions that are different and define a second plane that is substantially orthogonal to the first plane.

Abstract: The present invention discloses a communication apparatus having feedback calibration mechanism. A signal transmission circuit generates a RF analog signal according to a digital signal. A signal amplifying circuit amplifies the RF analog signal to generate an amplified analog signal. A LC impedance matching circuit transmits the amplified analog signal to the antenna to perform transmission. A feedback calibration circuit includes a feedback inductive circuit and a calibration circuit. A feedback inductive circuit is inductively coupled to the LC impedance matching circuit to receive the amplified analog signal to generate a feedback signal. A calibration circuit determines a distorted amount of the feedback signal relative to the RF analog signal to modify an operation parameter of at least one of the signal transmission circuit and the signal amplifying circuit to decrease the distorted amount.

Abstract: This disclosure enables various technologies for tracking various objects (e.g., mammals, animals, humans, pets) within various defined areas (e.g., rooms, apartments, residences, vehicles, tents) to determine whether those objects satisfy or do not satisfy various criteria, signatures, or thresholds, which may relate to health, safety, or security of those objects within those defined areas. These technologies may be enabled via various radars (e.g., time-of-flight radars, Doppler radars) positioned within those defined areas to track those objects therein. For example, some of such radars may operate in a Ku-band inclusively between about 12 GHz and about 18 GHz, a K-band inclusively between about 18 GHz and about 27 GHz, or a Ka-band inclusively between about 26.5 GHz and about 40 GHz, each of which has been unexpectedly found to be technologically beneficial for tracking those objects within those defined areas.

Abstract: An electronic device is provided, in which an antenna module for receiving and transmitting radiation signals is disposed on a mounting surface of a circuit board, and an inner layer of the circuit board is formed with a ground surface to arrange a strip-shaped ground circuit along the edges of the ground surface so that the ground circuit occupies at most 50% of the area of the ground surface to improve antenna radiation efficiency.

Abstract: An antenna array device and an antenna unit thereof are provided. The antenna unit includes a support and an antenna structure. The support is integrally formed as a single one-piece structure, and has a substrate, a first stand, and a second stand. The first stand and the second stand extend from two opposite sides of the substrate, respectively. The substrate and at least one of the first stand and the second stand jointly define a plurality of cavities. The antenna structure includes a plurality of patches that are formed on the substrate and that are arranged in the cavities.

Abstract: An antenna includes a substrate, a first circular metal strip disposed on a first surface of the substrate, and a second circular metal strip disposed on a second surface of the substrate. The first circular metal strip has a first end used as a feed end and a second end connected to a first end of a radio frequency resistor. The second circular metal strip has a first end used as a grounding terminal and a second end connected to a second end of the radio frequency resistor.

Abstract: An antenna element includes an outer conductor and an inner conductor. The outer conductor forms a perimeter of the antenna element. The inner conductor is physically and electrically connected to the outer conductor only at an intermediate connection at an inner portion of the outer conductor. The outer conductor and the inner conductor are arranged to form a slot therebetween. The slot extends around the inner conductor such that each end of the slot is adjacent to the intermediate connection.

Abstract: An antenna device includes a first antenna and a second antenna provided in a case. The first antenna includes a first capacitance loading element and is configured to at least one of receive and transmit a signal in a first frequency band. The second antenna includes a second capacitance loading element and is configured to at least one of receive and transmit a signal in a second frequency band. The second frequency band is higher than the first frequency band. The second capacitance loading element is disposed at a front side of the first capacitance loading element.

Abstract: An audio headset sub-assembly (600, 700, 900, 1000, 1200, 1300, 1500) providing the operative functionality for true wireless headphones/headset (100) includes circuitry operative to effect wireless communication and audio signal processing, and a battery (212). These circuits and battery (212) are contained in a sealed enclosure (610, 710, 1210, 1310). In one embodiment, the sub-assembly (600, 700, 900, 1000, 1200, 1300, 1500) includes all electronic components for wireless communications and audio signal processing, and a battery (212), but does not include a speaker. A microphone (240) may be part of the sub-assembly (600, 700, 900, 1000, 1200, 1300, 1500) or may be external. In another embodiment, a speaker (230) is part of the sub-assembly (600, 700, 900, 1000, 1200, 1300, 1500) as well. The sub-assembly (600, 700, 900, 1000, 1200, 1300, 1500) may include several cavities (1254, 1252) and vents (1264, 1262) before and behind the speaker (230) for optimal acoustic performance.

Abstract: A reader includes a first antenna, a second antenna spaced apart from the first antenna, an RFID reader circuit, and a processor. The first antenna and the second antenna are connected to the RFID reader circuit. The first antenna is configured to receive a first signal from an RFID tag. The second antenna is configured to receive a second signal from the RFID tag. The processor controls the RFID reader circuit to determine a first value of a signal parameter associated with the RFID tag based on the first signal and a second value of the signal parameter associated with the RFID tag based on the second signal, receives, from the RFID reader circuit, the first value and the second value, and determines, based on the first value and the second value, whether the RFID tag is located between the first antenna and the second antenna.

Abstract: An antenna component for an aircraft insert can include a non-conductive body having an outer surface and an inner surface. The inner surface can be configured to be hidden from view when installed on the insert. The antenna component can include a surface antenna assembly disposed on the inner surface such that when the non-conductive body is installed on the insert the surface antenna is not visible. The surface antenna assembly can be configured to receive one or more predetermined frequencies. The non-conductive body can be configured to pass at least the one or more predetermined frequencies.

Abstract: An antenna is provided for a wearable personal computing device, such as an earbud. The antenna integrates with other components of the wearable device, such as an input control. For example, the antenna may at least partially surround a portion of a touchpad input at a surface of the device that is exposed when the device is worn. In one example, the antenna shares a ground plane with the touchpad. In another example, the antenna includes two nested traces, wherein a first trace is connected to ground and a second trace is connected to an antenna feed.

Abstract: A functional member-attached glass window includes a glass window to be erected on a floor surface and having a glass plate, and a functional member having a surface area smaller than that of the glass plate and arranged at a position apart from and higher than the floor surface, wherein the functional member is pasted to the glass plate via a spacer and joined to the spacer with a fastening part.

Abstract: An electronic device includes a plurality of antenna modules, a first communication circuit communicating in a first communication scheme via at least one antenna module The electronic device also includes a second communication circuit communicating in a second communication scheme. The electronic device further includes a temperature sensor, a processor and a memory storing instructions. The instructions are configured to, when executed, enable the at least one processor to detect a temperature associated with the antenna module or the first communication circuit while communicating via the first communication circuit, identify a first control step among a plurality of control steps based on an operation type of the electronic device and the at least one temperature detected, and limit at least some operations on at least one of the at least one antenna module or the first communication circuit, corresponding to the identified first control step.

Abstract: A target configured to be used with a position sensor for sensing a position of the target is described. The target includes at least one elongated conductive loop structure for allowing eddy currents to flow therein and configured to affect a magnetic field received from the position sensor in a preferred direction along the at least one elongated conductive loop structure.

Abstract: A multi-frequency tuning circuit includes a first branch including a first inductor and a first capacitor arranged in series and a second branch including a second inductor and a second capacitor arranged in series. The circuit is arranged within a circuitry module configured to be positioned between a source and a load, the first branch and the second branch both associated with loads, from the source, having low impedance frequencies. In order to improve transmitter antenna output power for downhole tools, the tuning circuit creates high impedance at operating frequencies between frequencies corresponding to low impedance.

Abstract: An electrically small antenna operable in both single-ended and differential antenna systems, and corresponding circuitry configurations, is provided. The antenna may be arranged on or in a wearable audio device, such as an earbud. The antenna may include a first curved arm electrically coupled to a first port. The antenna may include a second curved arm of equal size and equal shape as the first curved arm and electrically coupled to a second port. The second curved arm may be rotationally positioned 180 degrees, relative to the first curved arm, about an imaginary axis perpendicular to a surface of the wearable audio device. The single-ended antenna system may include a radio frequency integrated circuit (“RFIC”), fixed matching network, a tuneable capacitor, and a switching circuit. The differential antenna system may include an RFIC, fixed matching network, a tuneable capacitor, and a balun.

Abstract: A self-monitoring tire includes a tire body and a tire pressure sensor. The tire body includes a tread rubber for contact with ground, a bead for coupling to a rim, and a sidewall structure including two portions disposed at opposite sides of the tread rubber, and extending from opposite sides of the tread rubber to the bead. The tire pressure sensor is disposed between respective outward surfaces of the two portions of the sidewall structure, and secured on or embedded in either one of the two portions of the sidewall structure.

Abstract: A method of forming a contactless transaction card. The method may include providing a card body, defining a window, and attaching an antenna assembly layer to the card body, where the antenna assembly layer includes an antenna, a set of curable connectors, disposed on a set of end regions of the antenna within the window, and a UV-transparent layer, supporting the antenna. The method may include providing a contactless chip module within the window on a first side of the antenna assembly layer, and directing radiation through the UV-transparent layer, wherein the contactless chip module is electrically connected to the antenna via the curable connectors.

Abstract: An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer. The display pixel layer may have an array of display pixels for displaying images for a user. A touch sensor layer may be interposed between the display pixel layer and the transparent display member. A ferromagnetic shielding layer may be mounted below the display pixel layer. A flexible printed circuit containing coils of metal signal lines that form a near-field communications loop antenna may be interposed between the ferromagnetic shielding layer and the display pixel layer. A non-near-field antenna such as an inverted-F antenna may have a resonating element mounted on an inner surface of the display cover layer. The resonating element may be interposed between the transparent display member and the display cover layer.

Abstract: An electromagnetic-coupling dual IC card includes an IC module and a plate-like card body. The IC module includes a module substrate having a first surface and a second surface, contact terminals provided on the first surface of the module substrate to be contactable with an external contact-type device, an IC chip having a contact communication function and a contactless communication function and disposed on the second surface, and a first connecting coil provided on the first surface. The plate-like card body includes an antenna sheet embedded therein and has a recess for holding the IC module, the antenna sheet being provided with a coupling coil to be electromagnetically coupled to the first connecting coil, and a main coil connected to the coupling coil to perform contactless communication with an external contactless-type device. The first connecting coil does not overlap with the contact terminals in plan view.

Abstract: An RFID tag reading antenna includes a loop antenna including a first loop-shaped conductor having a peripheral length shorter than a ¼ wavelength in a communication frequency; and a split ring resonator including a second loop-shaped conductor having an opening smaller than an opening of the first loop-shaped conductor of the loop antenna and being arranged at a position away from a plane formed by the first loop-shaped conductor by a predetermined distance. In addition, the RFID tag reading antenna is coupled to an RFID tag as a communication partner, in a state where a distance from the RFID tag to the split ring resonator is shorter than a distance from the loop antenna to the split ring resonator.

Abstract: A film antenna includes a sheet-shaped resin film; an antenna pattern; a power feed pattern; and a ground pattern. The antenna pattern is formed on a front face of the resin film and used for transmission and reception of a signal. The power feed pattern is formed on the front face of the resin film, connected with the antenna pattern, and used for transmission of an electric signal. The ground pattern is electrically conductive and formed on a back face of the resin film.

Abstract: A disposable filter including an integrated sensor is provided for filtering a working fluid and monitoring the working fluid and/or the performance of the filter. The filter includes a housing with an inlet and an outlet with filter media disposed within the housing in a flow path defined between the inlet and the outlet. The integrated sensor is disposed within the housing, where the integrated sensor monitors a characteristic of the working fluid or other performance characteristic of the filter. The sensor assembly may include a communication module. The sensor assembly may include a RF tank circuit with a capacitor plate, which may be disposed adjacent a bypass structure that is disposed adjacent the outlet. Movement of a moveable part of the bypass structure in response to a pressure buildup will cause a shift in a resonant frequency of the tank circuit.

Abstract: A mobile terminal includes a 3D glass back cover and a main board opposite to and spaced apart from the 3D glass back cover. The AOG antenna system includes an antenna-in-package provided between the main board and the 3D glass back cover and electrically connected to the main board, and a metal antenna formed on a surface of the 3D glass back cover. A position of the metal antenna corresponds to a position of the antenna-in-package and the metal antenna is fed with power by coupling with the antenna-in-package. By providing a metal antenna, which is fed with power by coupling with the antenna-in-package, on a surface of the 3D glass back cover, the AOG antenna system provided greatly reduces the influence of the 3D glass back cover on the performance of the antenna, such that antenna radiation efficiency is high and the gain reduction is small.

Abstract: This loop antenna is provided with: an insulating substrate; an antenna portion that is a conductor provided on the substrate and includes a first feeding portion, a second feeding portion, and an antenna mesh portion having a mesh structure and forming a loop shape by connecting the two feeding portions to each other; and a dummy pattern part portion that is a conductor having a mesh structure and provided in a region surrounded by the antenna portion, and is isolated from the antenna portion. The dummy pattern portion has at least one cut portion that cuts a path included in the mesh structure.

Abstract: An antenna structure includes a first feeding element, a second feeding element, a balun structure, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, a sixth radiation element, and a dielectric substrate. The balun structure includes a central ground element, a first connection element, a second connection element, a third connection element, and a fourth connection element. The first connection element and the third connection element partially surround the central ground element. A first coupling gap is formed between the fifth radiation element and the first radiation element. A second coupling gap is formed between the fifth radiation element and the third radiation element. A third coupling gap is formed between the sixth radiation element and the second radiation element. A fourth coupling gap is formed between the sixth radiation element and the fourth radiation element.

Abstract: An electronic device is provided. The electronic device includes: a first tubular structure having an annular cross-section and including a conductive first tubular member at a first end of the first tubular structure and a conductive second tubular member at a second end of the first tubular structure; an insulating spacer disposed between the first tubular member and the second tubular member; an insulating slot disposed on a sidewall of the second tubular member and extending through the sidewall along a direction the first tubular structure extends; and a first feed point disposed on the second tubular member, the second tubular member transmitting a signal received from the first feed point.