Abstract: An electronic device may have an antenna for providing coverage in wireless communications bands of interest. The wireless communications bands may include a communications band at a first frequency. The antenna may have a parasitic antenna resonating element that supports a low efficiency resonance. In response to operation of the electronic device in free space, the low efficiency resonance will be located at a second frequency that is greater than the first frequency. In response to operation of the electronic device in proximity to a user's body or other external object, the antenna will be loaded and the low efficiency resonance associated with the parasitic antenna resonating element will shift to the communications band at the first frequency. The antenna may include a resonating element formed on a flexible printed circuit or a dielectric carrier such as a plastic support structure.

Abstract: An antenna unit includes an antenna substrate, a reflective plate, a receiver board, a transmitter board, a cooling plate and a connection interface. The reflective plate is disposed on an antenna element forming surface of the antenna substrate. The receiver board is disposed on a surface of the antenna substrate opposite to a surface facing the reflective plate, and has a receiver module to process a received signal. The transmitter board is disposed substantially parallel to a surface of the receiver board opposite to a surface facing the antenna substrate, and has a transmitter module to process a transmission signal. The cooling plate is disposed on a surface of the transmitter board opposite to the surface facing the receiver board and is configured to cool down heat generated by the transmitter module. The connection interface connects the transmitter board and the receiver board to transmit a signal therebetween.

Abstract: A mobile terminal including a wireless communication unit configured to wirelessly communicate with at least one other terminal, a main body configured to receive a battery, and a cover body detachably covered to the main body. Further, the cover body includes a first cover part formed to cover the battery, a second cover part, and a sliding unit configured to slidably couple the second cover part to the first cover part and allow the second cover part to slide and tilt away from the first cover part.

Abstract: Disclosed is a wireless terminal. The wireless terminal comprises: a printed circuit board (21), an antenna (22) coupled onto the printed circuit board (21) and configured to transmit electromagnetic waves, a parasitic unit (23) coupled onto the printed circuit board (21) and configured to lower an SAR peak value of the electromagnetic waves, and a lumped element (24) coupled onto the parasitic unit (23) and configured to adjust the amplitude and phase of the current in the parasitic unit (23). The disclosure lowers the SAR under the premise of not affecting the communication quality of the wireless terminal, thereby reducing production costs.

Abstract: Methods and apparatus are disclosed for manufacturing antennas with a unique signature and for identifying an antenna using its unique signature. An exemplary antenna comprises a radiating element and a ground element, between which a resistor-inductor-capacitor (RLC) circuit is connected. The RLC circuit is designed to generate a return-loss profile that serves as a unique antenna signature. The return-loss profile of the RLC circuit exhibits a resonance frequency outside the antenna's working bandwidth.

Abstract: An antenna and a method of manufacturing the antenna are provided. The antenna may include an antenna surface, a ground plane, and an air layer comprising a porous structure.

Abstract: In a communication antenna unit which is stored inside a casing, a flexible circuit board is supported by a support member in a bent state. A first antenna conductor pattern which configures a first communication antenna and a human body sensor are substantially formed on a flat plane section of the flexible circuit board adjacent to a curved section of the flexible circuit board. A second antenna conductor pattern which configures a second communication antenna is substantially formed on the curved section. The first antenna conductor pattern and the second antenna conductor pattern are connected to each other through an inductor coil which configures a resonant circuit portion.

Abstract: A switching power amplifier for multi-path signal interleaving includes a signal splitter configured to split a multi-bit source signal from a digital source into a plurality of multi-bit signals, one or more fractional delay filters configured to delay one or more signals of the plurality of signals by a selected time, a plurality of bit-stream converters, each bit-stream converter configured to receive one of the multi-bit signals, each bit-stream converter further configured to generate a single-bit signal based on a received multi-bit signal, a plurality of switching power amplifiers, each switching power amplifier configured to receive a single-bit signal from one of the bit-stream converters, and an interleaver configured to generate an interleaved output by interleaving two or more outputs of the switching power amplifiers, wherein a sampling frequency of the interleaved output of the interleaver is greater than the selected sampling frequency of the multi-bit source signal.

Abstract: An object is to provide a goods storage tool that enables an antenna to be connected to an electronics device without the need to take out the antenna from a storage object in which the antenna is stored. A goods storage tool of the present invention is a goods storage tool for storing goods or contents therein. The goods storage tool includes an antenna that is stored in the goods storage tool; and a connection portion that enables a feeder connector connected to an electronics device to be connected to the antenna in such a way that the antenna remains stored in the goods storage tool.

Abstract: A portable communication device and an adjustable antenna thereof are disclosed herein. The portable communication device includes a substrate, the adjustable antenna and a control circuit. The adjustable antenna includes an antenna body, an adjusting element, a feeding terminal and a ground terminal. The antenna body has multiple conductive portions and is disposed above the substrate. The adjusting element is coupled between the conductive portions. The feeding terminal and the ground terminal extend from the antenna body and are coupled to the substrate. The control circuit feeds a first control signal and a second control signal respectively through the feeding terminal and the ground terminal to the adjusting element, so as to adjust an electrical length of the adjustable antenna.

Abstract: A method, system, and device relating to a broad-band fragmented aperture tile and antenna system are disclosed. In one exemplary embodiment, an aperture tile comprises a plurality of unit cells. The plurality of unit cells individually comprise a driven radiating element layer, a module layer having a printed circuit board, wherein the module layer comprises one or more of a time delay module, a radio frequency distribution module, a radio frequency module, or a digital signal processor. Furthermore the aperture tile is coupled to a cold plate configured for heat transfer.

Abstract: Various systems and methods are provided for folded patch antennas. In one embodiment, among others, a folded patch antenna includes a patch disposed on an outer side of a flexible substrate and a ground plane disposed on an inner side of the flexible substrate opposite the patch. The flexible substrate is folded to form an enclosed cavity defined by the inner side of the flexible substrate. The ground plane may provide electromagnetic interference (EMI) shielding of the cavity. In another embodiment, among others, a folded patch antenna platform includes a flexible substrate, a folded patch antenna, and a transceiver mounted on the flexible substrate. The folded patch antenna includes a patch communicatively coupled to the transceiver and a ground plane, which are disposed on opposite sides of the flexible substrate.

Abstract: A dielectric film has a main surface and a back surface and is formed of resin. Electrodes that can receive or transmit an electromagnetic wave having a frequency of not less than 0.05 THz and not more than 10 THz in the terahertz band are formed on the main surface of the dielectric film. The electrodes constitute a tapered slot antenna. The dielectric film and the electrodes are formed of a flexible printed circuit board. A semiconductor device that is operable at a frequency in the terahertz band is mounted on the main surface of the dielectric film so as to be electrically connected to the electrodes.

Abstract: Provided is a stretchable antenna including an elastic body that is stretchable and a conductive material disposed on the elastic body. The stretchable antenna may maintain stable characteristics in spite of numerous deformations. The stretchable antenna may be used as an antenna for a wireless communication device formed on a human body or clothing.

Abstract: A pendant for use with a mobile terminal, including: a pendant body containing an antenna; and a pendant cord connected with the pendant body, the pendant cord enclosing a cable connected to the antenna for transmitting and receiving radio frequency signals.

Abstract: A portable electronic device is provided that is capable of reducing the degradation in the characteristic of an antenna caused by the orientation direction of the antenna being fixed. The device includes a circuit board disposed in the vicinity of an antenna, a conductive switch terminal that is provided to the circuit board and detects an operation to an operation unit, a reference potential part provided to the circuit board to be opposite to the switch terminal, a conductive part provided to the circuit board to be opposite to the antenna, and a switch unit capable of switching whether the reference potential part and the conductive part are electrically connected.

Abstract: A coupling structure for an antenna device including a housing, which retains an antenna element for transmitting or receiving a communication signal, and a wire harness, which extends out of the housing. The coupling structure includes a coupling member that couples the wire harness to a conductor when coupling the housing to a coupling location.

Abstract: A mobile terminal including a terminal body; a display configured to display information; and an antenna device mounted in the terminal body. Further, the antenna device includes a first conductive member including a shape such that the antenna device resonates at a first frequency band; a second conductive member diverging from the first conductive member, and extending by a prescribed length; and a ground member spaced apart from the second conductive member, and capacitive-coupled to the second conductive member, such that a frequency resonance added by the second conductive member is generated near a center frequency of the first frequency band.

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: The present invention discloses a phase adjustment apparatus. The phase adjustment apparatus includes at least two phase adjustment units, a switching apparatus, and a driving apparatus; where the at least two phase adjustment units are configured to modulate a phase; the driving apparatus is configured to drive the at least two phase adjustment units to move; the at least two phase adjustment units are selectively connected to the driving apparatus; and the switching apparatus is configured to select the at least two phase adjustment units, so that the driving apparatus drives, at a same moment, only one of the at least two phase adjustment units connected to the driving apparatus to move, so as to change a phase. The present invention discloses a multi-frequency antenna which applies the phase adjustment apparatus. The phase adjustment apparatus of the present invention may adjust a downtilt angle of an antenna unit.

Abstract: An apparatus comprising a first substrate, a second substrate, and one or more embedded devices. A lower surface of the first substrate generally has disposed thereon a plurality of first lines comprising a thin-film conductive material. An upper surface of the second substrate generally has disposed thereon a plurality of second lines comprising the thin-film conductive material. The plurality of second lines is generally arranged orthogonally to the plurality of first lines. The lower surface of first substrate generally faces the upper surface of the second substrate and the substrates are generally separated by a predefined distance. The one or more embedded devices are generally coupled between one or more of the first lines and one or more of the second lines. The embedded devices are generally configured to temporarily electrically connect the respective lines to form a radiating structure during an RF operation.

Abstract: A monopole planar inverted-F antenna (PiFA) for dual-band Wi-Fi application is disclosed. The dual band includes a first frequency from 2400-2500 MHz and a second frequency from 4900-6000 MHz. The antenna has a ground copper and a radiation copper. The ground copper is adhered to a substrate having a width of approximately 31 mm and a height of approximately 24 mm. The radiation copper is adhered to the substrate and has a PiFA copper geometry with a width of approximately 31 mm and a height of approximately 6.5 mm. The radiation copper includes a radiation control section that is electrically connected to the ground copper by a short-circuit copper wherein the radiation control section has a length of approximately 15 mm and a width of approximately 0.8 mm.

Abstract: Embodiments of a phased array antenna having a plurality of unit cells, each unit cell utilizing an improved electromagnetic band gap (EBG) structure and a lossy material in connection with the EBG element are disclosed. The lossy material reduces the undesired coupling between the antenna radiator and the EBG, thus providing enhanced scanning performance in the phased array aperture.

Abstract: Antenna systems, such as an active antenna system (AAS), can include active and passive electronic components located closely together inside an antenna system. Such systems may benefit from variable adaptation of active antenna system radio frequency signal filtering. An apparatus can include an active part on a first end of a signal path within a sealed enclosure. The apparatus can also include a radiator part on a second end of the signal path within the sealed enclosure. The apparatus can further include an intermediate part, which includes at least one of an additional filter part or a customized passive part, positioned between the active part and the radiator part along the signal path between the first signal side and the second signal side.

Abstract: Antenna structures made of bulk-solidifying amorphous alloys and methods of making antenna structures from such bulk-solidifying amorphous alloys are described. The bulk-solidifying amorphous alloys providing form and shape durability, excellent resistance to chemical and environmental effects, and low-cost net-shape fabrication for the highly intricate antenna shapes.

Abstract: An apparatus and method is disclosed, to control NFC tag power dissipation. A first NFC device antenna harvests power for operation from a signal from another NFC device as a result of ambient magnetic fields present in the environment. The NFC device is configured with a regulator system in order to control the level of harvested power to prevent damage to the NFC device circuitry. The harvested power levels can exceed the ability of the regulator device to dissipate the additional power resulting in regulator damage or a reduction in the regulator lifetime. The power dissipation of the regulator can be monitored thermally, and the power dissipation controlled by reducing the regulation voltage accordingly. Various systems are presented to establish a cutoff threshold to the regulator power dissipation using thermal regulator feedback and/or antenna current monitoring.

Abstract: An antenna module is provided. The antenna module includes a first ground element, a body, a radiator and a parasitic element. The body is electrically connected to the first ground element. The radiator is connected to the body, wherein the radiator includes an extending portion, a bending portion and a terminal portion, and the bending portion is connected to the extending portion, and the terminal portion is connected to the bending portion. The parasitic element includes a parasitic extending portion and a parasitic conductive portion, wherein the parasitic extending portion is connected to the parasitic conductive portion, and the terminal portion and the parasitic extending portion is located on a same straight line, and the terminal portion is separated from the parasitic extending portion.

Abstract: A dynamically-reconfigurable antenna having a microstrip patchwork radiating surface wherein individual radiating patches can be connected to and disconnected from each other via photoconductive interconnections between the radiating patches. Commands from software alternately turn light from light emitting sources on or off, the light or lack thereof being channeled from an underside layer of the antenna so as to enable or disable the photoconductive interconnections. The resultant connection or disconnection of the radiating patches will vary the antenna's frequency, bandwidth, and beam pointing.

Abstract: The reconfigurable multiband antenna includes the main antenna element connected to a feeding point to receive and transmit a radio signal, the at least one parasitic antenna element being placed on the side of the main antenna element. The at least one parasitic antenna is connected to the main antenna element or they are connected to each other by at least one RF switch. By changing the ON-OFF combination of the RF switches, the connection between the main antenna element and the parasitic antenna element is changed, thereby changing the resonance frequencies of the entire antenna. By this technique, the entire antenna functions as a reconfigurable multiband antenna.

Abstract: The disclosure discloses a method and device for realizing Specific Absorption Rate (SAR) control, in both of which phase shifters can be provided on a metal ground edge of a wireless terminal, and an induced current of the metal ground edge can be altered by applying the phase shifters, so as to reduce an antenna near field radiation characteristic of an SAR. The method and device of the disclosure can alter current phase and amplitude distribution of the metal ground without affecting the reception and transmission performance of the terminal, so as to reduce a local SAR peak value and lessen the harm of radiation to human bodies. Furthermore, the disclosure does not require any major change in a structure, circuit, and, antenna of a designed model, and can save space. The disclosure bears great flexibility and adaptability in an application, thereby realizing the objective of miniaturized design of the wireless terminal.

Abstract: The present invention relates to the field of antennas and specifically to broadband antennas. Planar low-profile antennas over high-impedance surfaces show improved performance compared to that over metal ground planes, but these high-impedance surfaces often operate over narrow bandwidths because current approaches to the design of high-impedance substrates typically employ identical unit cells with the same resonant frequency to produce high-impedance behavior over a relatively narrow frequency range. The present invention provides improved antenna performance over a broader bandwidth through the use of electromagnetic bandgap cells having a size and related resonant frequency that varies with position to the antenna radiating element in order to match the resonance of the element.

Abstract: Electronic devices may be provided with antennas. An antenna may be formed from conductive antenna structures that include a frequency-dependent distributed capacitor. The antenna may include an antenna ground and an antenna resonating element that are separated by a gap. A low pass filter circuit may bridge the gap. The antenna resonating element may have antenna resonating element conductive structures that serve as first and second electrodes for the distributed capacitor. The second electrode may have first and second conductive elements coupled by a filter. The filter may be a low pass filter implemented using an inductor. The inductor may have a first terminal coupled to the first conductive element and a second terminal coupled to the second conductive element. A first antenna feed terminal may be coupled to the first conductive element and a second antenna feed terminal may be coupled to the antenna ground.

Abstract: A radiating cell having two phase states suitable for a transmitter array able to transmit microwave frequency signals, the cell comprising a first antenna and a second antenna arranged on either side of an assembly comprising two substrate layers separated by a ground plane, the second antenna comprising a conducting element able to radiate, the cell comprising comprises at least two switching means, said means each comprising an on state and an off state between two ports, one of said ports being connected to the second radiating element, said switching means being controlled in opposition. The radiating cell applies notably to the implementation of transmitter arrays employing several configurable cells to control the radiation pattern.

Abstract: Systems and methods for a stacked waveguide circulator are described. The stacked waveguide circulator may comprise a first side and a second side. The stacked waveguide circulator may also comprise a top and a bottom opposite the top. The top and the bottom may be adjacent to the first and second sides. The stacked waveguide circulator may also comprise a a first port and a second port on the first side. The first port may be vertically above the second port on the first side. Further, the stacked waveguide circulator may comprise a third port on the second side. The stacked waveguide circulator may comprise a first magnet on the top. The first magnet may be configured to assist in directing signals between the first, second, and third ports.

Abstract: An electronic device is provided, including a main body, a battery detachably received in the main body, a stopper disposed in a predetermined position to restrict the battery in the main body, an antenna disposed on the stopper, and a cover connected with the stopper and movable relative to the stopper between a first position and a second position. When the cover is in the first position, the cover is engaged with the main body and restricts the stopper in the predetermined position. When the cover is moved from the first position along a first direction to the second position, the cover is disengaged from the main body, and the stopper is releasable from the predetermined position along a second direction.

Abstract: A radio frequency identification (RFID) tag may have a non-responsive mode, triggered by a command from an RFID reader, that temporarily prevents the RFID tag from responding to a query from any RFID reader for a period of time. In some embodiments this non-responsive mode may automatically end after a certain period of time without further action by the RFID reader. In other embodiments this non-responsive mode may end when directed to by another command addressed specifically to the RFID tag.

Abstract: In one embodiment of the present invention, an object of the invention is to provide a wireless communication-improving sheet member capable of increasing a possible communication distance of an IC tag for wireless communication, a wireless IC tag, an antenna, and a wireless communication system. A first spacer includes an arrangement face on which on which the wireless IC tag is disposed without a wired connection, and an auxiliary antenna is disposed on the first spacer on an opposite side to the arrangement face, the auxiliary antenna resonating with electromagnetic waves used in the wireless communication. The auxiliary antenna includes a first conductor layer as a resonant layer and a second spacer. The second spacer is disposed on an opposite side to the first spacer with the first conductor layer interposed therebetween. A discontinuous area is disposed in the first conductor layer of the auxiliary antenna.

Abstract: An antenna for a Radio-Frequency IDentification (RFID) system is disclosed that comprises a resonant structure, an RFID load element, and a floating coupling element. One of the two terminals of the RFID load element is connected directly to the resonant structure, and the other terminal is connected to the floating coupling element. The floating coupling element is electrically isolated from the resonant structure; its presence provides an improved impedance match to the RFID load element.

Abstract: A thermal window comprising a thermally transparent window member, a window frame for receiving the thermally transparent window member, and at least one transmitter configured to transmit electromagnetic radiation with a frequency from 3 Hz to 300 GHz. The thermal window also has a cover for protecting the thermally transparent window member, wherein the cover may be mounted to the window frame by a spring loaded hinge.

Abstract: The invention relates to a wireless communications system for communicating with user equipment located inside a physical structure. The system comprise a node having at least two antenna ports and being adapted for wireless communication with the user equipment, and at least one leaky cable having two ends wherein each end of the at least one leaky cable is connected to one of the antenna ports of the node. The at least one leaky cable is provided at least partially inside the physical structure and being adapted for wireless communication over a radio channel with the user equipment.

Abstract: In various embodiments, a booster antenna structure for a chip card is provided, wherein the booster antenna structure may include a booster antenna; and an additional electrically conductive structure connected to the booster antenna.

Abstract: A mixed antenna system driving method for driving a mixed antenna consisting of a control IC, a sensor module and an antenna is disclosed. The control IC switches the antenna to a capacitive proximity sensor of the sensor module for enabling the capacitive proximity sensor to sense the approaching of an external object by means of the antenna, and then switches the antenna away from the capacitive proximity sensor to an electromagnetic wave generating circuit of the sensor module for enabling the electromagnetic wave generating circuit to perform an induction operation by means of the antenna after received a sensed signal from the capacitive proximity sensor, and switches the antenna back to the capacitive proximity sensor after the induction operation of the electromagnetic wave generating circuit.

Abstract: A radio-frequency (RF) device and a wireless communication device include a capacitive sensing unit capable of using a radiating element of an antenna to sensing an environment capacitance within a specified range, such that an RF signal processing device is capable of adjusting power of an RF signal accordingly, to prevent affecting a user. When the radiating element of the antenna includes a direct-current signal route to a ground terminal, the RF device and the wireless communication device further includes at least a capacitor for cutting off the direct-current signal route.

Abstract: An antenna may include a ground plane and a solar cell spaced above the ground plane. The solar cell may have first and second power output terminals. The antenna may include a coaxial antenna feed line including an inner conductor coupled to the first power output terminal, and an outer conductor coupled to the ground plane so that the solar cell also serves as a patch antenna element. The antenna may further include a drive shunt conductor extending between the first terminal and the ground plane.

Abstract: The present disclosure discloses a unipolar antenna, a wireless access apparatus and a wireless router. The unipolar antenna of the present disclosure comprises a medium substrate, as well as a power feeding point, a feeder line and a metal structure that are disposed on a surface of the medium substrate. The feeder line is connected to the power feeding point, and the feeder line and the metal structure are coupled with each other. The unipolar antenna, the wireless access apparatus and the wireless router of the present disclosure can transmit or receive electromagnetic signals of two or more different wavebands simultaneously so that they can operate within multiple operation wavebands in a single-frequency mode and operate within different operation wavebands simultaneously in a multi-frequency mode. Thereby, the antenna can be miniaturized on the premise of satisfying the performance requirements of the communication devices.

Abstract: A plurality of second conductors (200) are opposite to a first conductor (100), and are repeatedly, for example, periodically arranged. Third conductors (410) are provided at a position opposite to each of the plurality of second conductors (200). A variable dielectric constant layer is formed of a variable dielectric constant material of which the dielectric constant varies with a voltage, for example, a liquid crystal, and is provided at least one of between the plurality of second conductors (200) and the plurality of third conductors (410) and between the plurality of second conductors (200) and the first conductor (100). A fourth conductor (300) is connected to a first one of the second conductors (200) and a second one of the second conductors (200) located next thereto through a via (500). The fourth conductor (300) is opposite to the second conductor (200), and thus forms a transmission line using the second conductor (200) as a return path.

Abstract: According to one embodiment, a wireless apparatus includes an antenna, a semiconductor chip and a board. The antenna comprises a radiating element includes a main radiating part. The semiconductor chip is connected with the antenna. The board has a first surface and a second surface, terminals are arranged on the first surface, and the semiconductor chip is arranged on the second surface. The main radiating part is arranged outside a first region and a second region, the first region is defined by imaginary lines passing through centers of peripheral terminals of the terminals, the second region is defined as a region where the first region is orthogonally projected onto the second surface.

Abstract: Apparatus and methods are provided for integrally packaging antennas with semiconductor IC (integrated circuit) chips to provide highly-integrated and high-performance radio/wireless communications systems for millimeter wave applications including, e.g., voice communication, data communication, and radar applications. For example, wireless communication modules are constructed with IC chips having receiver/transmitter/transceiver integrated circuits and planar antennas that are integrally constructed from BEOL (back end of line) metallization structures of the IC chip.

Abstract: An antenna device is provided. The antenna device includes a radiator for radiating an electromagnetic wave, and a dielectric body arranged on an electromagnetic wave radiating side of the radiator, and having a plurality of dielectric members arrayed in a longitudinal direction of the radiator, wherein boundaries between the plurality of adjacent dielectric members are asymmetric with respect to a virtual line perpendicularly passing through the center of the dielectric body in the longitudinal direction.

Abstract: An integrated photovoltaic cell and RF antenna assembly is disclosed, the assembly comprising a photovoltaic cell and at least two horizontal portions of conductive material, each of the at least two horizontal portions of conductive material being secured under the photovoltaic cell, wherein two of the at least two horizontal portions are used for providing an electrical potential difference and the RF antenna is provided using the photovoltaic cell and at least one of the at least two horizontal portions of conductive material.