Abstract: An aircraft-mounted mobile communicator for communicating with one or more satellites or base stations is disclosed. The aircraft-mounted mobile communicator includes a radome structure and one or more antenna elements embedded within or proximate to a shell of the radome structure that maximizes an aperture of the one or more antenna elements, wherein the one or more antenna elements are configured to operate over one or more frequency bands.

Abstract: An antenna for transmitting power in a wireless power transfer system comprises a first arm and a second arm. The first arm has a proximal end and a distal end extending helically about a first central axis. The second arm has a proximal end and a distal end extending helically about a second central axis toward the distal end of the first arm. A radius between the second arm and the second central axis increases in a distal direction away from the proximal end.

Abstract: An RFID tag (1) comprises a substrate (2), an inlay (3), an antenna (4) and an integrated circuit on a chip (5) coupled to the antenna (4). The substrate (2) has a front surface (6), a back surface (7), a first side edge (8) and a second side edge (9). The inlay (3) comprises the antenna (4) and has a fold (10) that is configured to fold over one side edge (8, 9) of the substrate (2) from the front surface (6) to the back surface (7). At least the inlay (3) comprises at least one opening (12).

Abstract: A contactless information medium is provided with a spiral wiring on an IC chip. The IC chip has first and second electrodes, and the spiral wiring has first and second end portions electrically connected to the first and second electrodes, respectively. A first relay wiring is connected to the first electrode via a first connecting hole. The first end portion is connected to the first relay wiring via a third connecting hole formed on an inner peripheral side of the spiral wiring. The first relay wiring includes a rectangular region diagonally including the first connecting hole and the third connecting hole.

Abstract: Deployable structures, methods and apparatus for deployment of deployable structures, and associated manufacturing methods. Such deployable structures suitably comprise components for space structures, such supports for solar arrays, antennas or other similar systems. The deployable structure comprises a lattice element arrangeable in a stowed configuration and a deployed configuration. The lattice element comprises a pre-stressed strip arranged in a clockwise helix, a pre-stressed strip arranged in an anticlockwise helix, and a plurality of fasteners for rotatably coupling the strips to one another at a plurality of positions distributed along the length of the strips. The fasteners are provided at unequal spacings along the length of the strips such that on deployment the lattice element bends to a curved deployed configuration.

Abstract: A system provides for locking or unlocking a lock at a door of an intelligent door lock system at a dwelling by a designated dwelling user. An intelligent door lock system includes a remotely operable lock at a dwelling accessible by a user and a server in communication with the intelligent door lock system. A user mobile device is in communication with the server. The user mobile device includes an App that provides for locking and/or unlocking of the lock of the intelligent door lock system. The user communicates with the server using the user's mobile device, and the server is configured to process the user crossings one or more geo-locations relative to the dwelling and create a data set that is stored in a database.

Abstract: An antenna device to be mounted on a vehicle includes an antenna base; and an antenna element erected on the antenna base, wherein the antenna element includes a proximal end portion fixed on a plane substantially perpendicular to the antenna base and two arm portions extending in directions away from each other from the proximal end portion, and wherein an inductance of at least one of the two arm portions is larger than an inductance of a planer conductor having a same material and a substantially same outer shape. In one embodiment, an inductance of one arm portion of the two arm portions is be smaller than an inductance of the other arm portion.

Abstract: A housing assembly, an antenna assembly, and an electronic device are provided in the present disclosure. The housing assembly includes a dielectric substrate and a radio-wave transparent structure. The dielectric substrate has a first equivalent wave impedance to a radio frequency (RF) signal in a preset frequency band. The first equivalent wave impedance differs from a wave impedance of free space by a first difference. The radio-wave transparent structure is carried on and at least partially covers a portion of the dielectric substrate. The housing assembly has a second equivalent wave impedance to the RF signal in the preset frequency band in a region corresponding to the radio-wave transparent structure. The second equivalent wave impedance differs from the wave impedance of the free space by a second difference. The second difference is less than the first difference.

Abstract: A circuit board according to an embodiment includes a core layer including a first region and a second region, and antenna power supply wirings disposed on the core layer over the first region and the second region. The antenna power supply wirings may include a first portion extending in a first direction in the first region, a second portion extending in a second direction in the first region, and a third portion extending in the first direction in the second region, and an interval between the neighboring second portions of the antenna power supply wirings is 3 times or less of an interval between the neighboring third portions of the antenna power supply wirings.

Abstract: The present application relates to a dual-polarized filtering antenna unit and a dual-polarized filtering antenna array, and relates to the technical field of antennas. The dual-polarized filtering antenna unit comprises a metal substrate and a radiating layer, a plurality of dielectric layers are provided between the metal substrate and the radiating layer, and a first via hole and a second via hole are provided on each dielectric layer, wherein the first via holes and the second via holes are for accommodating metal pillars, and the metal pillars are for transmitting current signals. Axes of the first via holes of the plurality of dielectric layers are parallel or coincident. The first via holes of the adjacent dielectric layers are electrically connected through the metal layer between the adjacent dielectric layers.

Abstract: An RFID reader antenna (1) for use in an intelligent cabinet (2), such as a smart fridge, is disclosed. The antenna (1) is configured for operation within the UHF band and has omnidirectional radiation pattern and circular polarization. The antenna comprises a dielectric substrate (11), and a ground plane (12) provided on the dielectric substrate. An aperture (13) forms an open area within the bounds of the ground plane (12). A radiating element (14; 14?; 14?; 14??; 14) is provided on the dielectric substrate in a plane parallel to the ground plane, and arranged within the open area, when viewed from a direction perpendicular to the ground plane (12), and surrounded by the ground plane.

Abstract: An antenna assembly is provided. The antenna assembly includes a tube structure disposed on a circuit board. The antenna assembly further includes a helical antenna comprising a plurality of conductive traces disposed on a flexible substrate wrapped around the tube structure.

Abstract: A frequency reconfigurable (FR) slot-based UHF antenna for use in Cube-Sat is described. The antenna includes a dielectric circuit board, a metallic layer, a meandered slot line formed in the metallic layer, a feed horn is connected to a first edge of the circuit board, a reverse biased varactor diode, a ground terminal connected to the metallic layer and a biasing circuit configured to bias the reverse biased varactor diode. The biasing circuit causes the antenna to resonate in a frequency range of 300 MHz to 450 MHz. The meandered slot line includes a heptagonal path connected to and enclosing a rectangular path. An open end of the feed horn is directed towards the apex of the heptagonal path. The reverse biased varactor diode is connected to the metallic layer across the rectangular path and parallel to a central axis.

Abstract: A wire-patch antenna includes a ground plane; a capacitive roof placed facing the ground plane at a predetermined distance of separation; a probe feed; at least one electrically conductive short-circuiting wire linking the capacitive roof and the ground plane, the short-circuiting wire being intended to excite a first resonant mode at a first resonant wavelength; and at least one electrically conductive impedance-matching wire linking the conductive short-circuiting wire and the probe feed so as to create a parasitic inductor.

Abstract: Systems and methods for operating a marker that involve receiving, by a Radio Frequency Identification (“RFID”) element of the marker, an RFID deactivation signal; and responsive to the RFID deactivation signal, supplying power to a detuner element of the marker so that the detuner element switches from a first state to a second state. The marker's resonant frequency is changed to a first value that falls outside of an Electronic Article Surveillance (“EAS”) systems operating frequency range when the detuner element switches from the first state to the second state.

Abstract: An antenna structure is described that includes a flexible substrate and at least two antenna elements being formed from conductive traces on a layer of the flexible substrate. The antenna structure also includes a plurality of conductive traces formed on the layer of the flexible substrate with a first subset being electrically coupled as a lead in to a first one of the antenna elements and a second subset of the plurality of conductive traces being electrically coupled as a lead in to a second one of the antenna elements, wherein the first subset and the second subset are separately coupled electrically to one connector after insertion of an edge of the flexible substrate into the connector. An apparatus is described that includes a case, an electronic assembly, including a printed circuit board and a support bracket, contained within the case. The apparatus further includes the antenna assembly as described herein.

Abstract: An RFID antenna device (10) for emitting and/or receiving circularly polarised electromagnetic radiation, comprising a radiator unit (12) which has a radiator network (14) with multiple at least partially curved radiator portions (16) and an auxiliary antenna (20) which is galvanically isolated from the radiator network (14) and is inductively or capacitively coupled to the radiator network (14), a supply network unit (22) having a power division portion (26) with a device port and having at least one delay portion (28) which is electrically conductively connected to the power division portion (26) and is electrically conductively connected to the radiator portions (16), wherein the auxiliary antenna (20) is centrally located between the radiator portions (16). Further, an RFID sensor device comprising such an RFID antenna device (10).

Abstract: An antenna system and a method for fabricating an antenna system are disclosed. The antenna system includes a substrate having a top side and a bottom side, a single straight microstrip line on the top side of the substrate, a microstrip power divider (PD) on the top side of the substrate, and a ground plane on the bottom side. An input end of the single straight microstrip line is adjacent and vertical to a first edge of the substrate, and an output end of the single straight microstrip line is open. An input end of the microstrip PD is adjacent and vertical to a second edge of the substrate, and eight output ends of the microstrip PD are open. The first edge is parallel to the second edge. Further, three concentric square slots are etched on the ground plane.

Abstract: An antenna assembly (10) includes a substrate (24) and an array of antenna elements (26). Each antenna element is supported by the substrate at respective locations so that the antenna elements are arranged in space in a helix pattern (28). The helix pattern has a pitch along an axis about which the helix pattern turns. An arc length spacing of the antenna elements along the helix pattern and the pitch are arranged so that, in a transmit mode, a radio frequency (RF) signal fed to each of the antenna elements results in emission of a radiated signal with a rotational wave front from the antenna assembly at a first frequency and a first mode.

Abstract: An antenna 10 comprises a single wire wound in a helix 12 comprising a plurality of turns 1, 2, 3, n, n+1, . . . p around a main axis 11 with immediately adjacent turns having an inter-turn spacing between them. The helix has a back end 14 and a front end 16 and the main axis defines a main beam direction. A transverse crosssectional area of the helix monotonously decreases from the back end 14 to the front end 16. The inter-turn spacing S1 . . . Sn . . . monotonously decreases from the backend 14 to the front end 16. A feed-point 13 is provided at the back end 14.

Abstract: A multiport antenna in which the antenna conductive elements are arranged to form an at least partially enclosed volume which can accommodate an enclosure containing one or more electronic components, or optical components, or optoelectronic components, or a combination of these. The enclosure may also be provided with a conductive transparent window which permits optical components to receive and/or send optical information.

Abstract: An antenna system and a method for fabricating an antenna system are disclosed. The antenna system includes a substrate having a top side and a bottom side, a single straight microstrip line on the top side of the substrate, a microstrip power divider (PD) on the top side of the substrate, and a ground plane on the bottom side. An input end of the single straight microstrip line is adjacent and vertical to a first edge of the substrate, and an output end of the single straight microstrip line is open. An input end of the microstrip PD is adjacent and vertical to a second edge of the substrate, and eight output ends of the microstrip PD are open. The first edge is parallel to the second edge. Further, three concentric square slots are etched on the ground plane.

Abstract: A transmitter comprising a planar antenna including a ground plane and first and second spiral radiating elements wrapping around the ground plane, and a driving circuit. Proximal ends of the spiral radiating elements terminate near points located along a perimeter of the ground plane. Exactly one of the first and second spiral radiating elements are electrically isolated from the ground plane. The first and second spiral radiating elements are wound in the same direction for approximately a single turn and increase in thickness for approximately three-fourths of the turn. The driving circuit drives one of the first and second spiral radiating elements.

Abstract: An antenna system and a method for fabricating an antenna system are disclosed. The antenna system includes a substrate having a top side and a bottom side, a single straight microstrip line on the top side of the substrate, a microstrip power divider (PD) on the top side of the substrate, and a ground plane on the bottom side. An input end of the single straight microstrip line is adjacent and vertical to a first edge of the substrate, and an output end of the single straight microstrip line is open. An input end of the microstrip PD is adjacent and vertical to a second edge of the substrate, and eight output ends of the microstrip PD are open. The first edge is parallel to the second edge. Further, three concentric square slots are etched on the ground plane.

Abstract: An antenna may include a ground plane, a tuning stub, and a shorted spiral antenna element connected to the tuning stub. The shorted spiral antenna element may include a plurality of spiral traces shorted together by a shorting element extending radially outward to contact each of the spiral traces.

Abstract: A display device is provided. At least one base color of a red base color, a green base color, and a blue base color of the display device is formed by mixing at least two primary colors of the three primary colors. The display device of the invention may decrease the issue of color distortion.

Abstract: The present invention relates to an antenna structure that is integrated into a printed circuit (10) comprising two dielectric layers (52, 56) that have the same dielectric constant but different thicknesses, a balanced radiating element in a spiral (60) on the first face (51) of the first dielectric layer (52) and a power supply for the balanced antenna by a balanced two-wire line (70) which has the same impedance as the balanced antenna, characterized in that the balanced two-wire line (70) interconnects the balanced spiral antenna (60) to a pair of microstrip transmission lines (80) positioned on the second face (57) of the second layer (56), in which each microstrip line (80) is suitable for having an impedance that is equal to half of the two-wire transmission line (70), and in that, in correspondence with the balanced microstrip line (80) on the first face (55) of the second layer (56) corresponding to the second face (53) of the first layer (52), a ground plane is positioned (85) which determines, as a

Abstract: An electronic device may include a circuit board, radiators disposed on the circuit board, and provided with a first feeding signal to transmit or receive a wireless signal in a first frequency band; and a ground disposed on the circuit board to provide a reference potential for the radiators. The radiators and a whole or a portion of the ground may be provided with an additional feeding signal to transmit or receive a wireless signal in various frequency bands that are lower than the first frequency band.

Abstract: A low-profile axial mode helical type antenna that employs hollow copper tubing for the radiating element, a singular semi hollow dielectric support structure, low pitch angle and an improved/simplified parallel open wire impedance matching technique. This antenna has a wide radiating pattern as well as high forward gain and circular polarization. It is designed to work in the field of live entertainment including reception and transmission of wireless microphones, in-ear monitors, communications and cue control systems. It operates from 470-663 MHz.

Abstract: Features relating to a vaporizer device including a vaporizer body and a cartridge for connecting to the vaporizer body are provided. The cartridge includes a wireless transceiver positioned proximate a distal end of the cartridge. The wireless transceiver is configured to transmit, receive, and/or store data and to communicate with a subset of remote devices, which may include the vaporizer body and one or more additional devices such as manufacturing, assembly, and filling equipment. The vaporizer body includes wireless communication circuitry that enables communication with remote devices, which may include the cartridge and user devices such as a wireless device. The vaporizer body is configured to identify the cartridge and implement operational instructions and/or apply configuration parameters received from an application and/or based on preset configuration parameters associated with the cartridge.

Abstract: An antenna comprises an axial helical radiating element and a corrugated ground plane. The axial helical radiating element provides a radiation pattern substantially parallel to a primary axis of rotation of the helical radiating element. The corrugated ground plane, disposed proximate to a back region of the antenna, comprises corrugations to increase an electrical length of travel for radial standing waves between an axial helical input, at which the axial helical radiating element is coupled to the corrugated ground plane, to an outer edge of the corrugated ground plane.

Abstract: A communications device includes an RF device, and an antenna coupled to the RF device. The antenna includes a conductive ground plane, an elongate support extending from the conductive ground plane, a helically wound conductive strip carried by a proximal end of the elongate support, and spaced apart conductive elements carried by a distal end of the elongate support to define an RF lens for the helically wound conductive strip.

Abstract: The present disclosure relates to deployable structures, to methods and apparatus for deployment of deployable structures, and to associated manufacturing methods. Such deployable structures suitably comprise components for space structures, such supports for solar arrays, antennas or other similar systems. The deployable structure (500) comprises a first lattice (514) arrangeable in a stowed configuration and a deployed configuration. The deployable structure also comprises a second lattice (516) arrangeable in a stowed configuration and a deployed configuration, wherein with the lattices arranged in the stowed configuration the second lattice (516) nests in the first lattice (514).

Abstract: An antenna system and a method for fabricating an antenna system are disclosed. The antenna system includes a substrate having a top side and a bottom side, a single straight microstrip line on the top side of the substrate, a microstrip power divider (PD) on the top side of the substrate, and a ground plane on the bottom side. An input end of the single straight microstrip line is adjacent and vertical to a first edge of the substrate, and an output end of the single straight microstrip line is open. An input end of the microstrip PD is adjacent and vertical to a second edge of the substrate, and eight output ends of the microstrip PD are open. The first edge is parallel to the second edge. Further, three concentric square slots are etched on the ground plane.

Abstract: There is provided a plasma processing apparatus including: a chamber having a processing space in which a plasma processing is performed on a substrate and a synthetic space in which electromagnetic waves are synthesized; a dielectric window configured to partition the processing space and the synthetic space; an antenna unit including a plurality of antennas configured to radiate the electromagnetic waves to the synthetic space; an electromagnetic wave output part configured to output the electromagnetic waves to the antenna unit; and a controller configured to control the antenna unit to function as the phased array antenna, wherein the plurality of antennas are helical antennas.

Abstract: A helical antenna, including a printed circuit board and a radiating body provided above the printed circuit board. The radiating body includes at least one main helical arm and at least one parasitic helical arm. Each main helical arm corresponds to at least one parasitic helical arm. Each main helical arm is arranged in parallel with and is spaced with its corresponding parasitic helical arm. A first terminal of each main helical arm is electrically connected to a first terminal of the corresponding parasitic helical arm. A second terminal of the main helical arm and a second terminal of the parasitic helical arm are both in a floating state, and a length of the parasitic helical arm is greater than a length of its corresponding main helical arm.

Abstract: A phased array system has a substrate, a plurality of elements, a beamforming IC, and a plurality of feedlines electrically coupling the plurality of elements with at least one beamforming IC. In preferred embodiments, the feedlines are non-intersecting, symmetric feedlines that mitigate cross-polarization.

Abstract: A module substrate antenna (1) includes a first coil (7) and a second coil (8) that are connected in parallel. The first coil (7) is composed of a pattern in which a spiral first antenna coil pattern (3a) and a spiral second antenna coil pattern (5a) are interlayer-connected in series. The second coil (8) is composed of a pattern in which a spiral third antenna coil pattern (4a) and a spiral fourth antenna coil pattern (6a) are interlayer-connected in series. The coil patterns are arranged in order of the first antenna coil pattern (3a), the third antenna coil pattern (4a), the second antenna coil pattern (5a), and the fourth antenna coil pattern (6a).

Abstract: An antenna device includes a first insulation layer, a defected metal layer, a second insulation layer, and a plurality of radiators. The defected metal layer is disposed on the first insulation layer, and the defected metal layer has a plurality of recess features which are arranged with uniform pitches. The second insulation layer is disposed on the first insulation layer and the defected metal layer. The radiators are disposed on the second insulation layer, and each radiator has a feeding portion and a grounding portion.

Abstract: Antenna systems for receiving right and left hand circularly polarized signals are disclosed. An antenna system embodiment includes a top printed circuit board (PCB), a ground plane, and an antenna array including four conductive antenna elements positioned at relative zero, 90, 180, and 270 degree increments radially about a shared center point on the PCB, with each antenna element sloping upward in a left-handed direction from the ground plane towards the top PCB and connected to the ground plane and top PCB.

Abstract: A mobile device includes a housing, a first radiation element, a second radiation element, a third radiation element, a first switch element, and a second switch element. The first radiation element has a first feeding point. The second radiation element has a second feeding point. The first radiation element, the second radiation element, and the third radiation element are distributed over the housing. The first switch element is closed or open, so as to selectively couple the first radiation element to the third radiation element. The second switch element is closed or open, so as to selectively couple the second radiation element to the third radiation element. An antenna structure is formed by the first radiation element, the second radiation element, and the third radiation element.

Abstract: A vehicle-mounted communication device that is to be mounted on a vehicle includes: a wireless communication unit that transmits an RF signal that includes data, and is capable of changing a communication method; an acquisition unit that acquires state information that indicates a state of the vehicle; and a control unit that performs switching control to change the communication method based on the state information acquired by the acquisition unit.

Abstract: A radio frequency transmission system and methods for mitigating multipath radio frequency interference are disclosed. Embodiments include a first helical antenna having a first radius and operable to receive a first electromagnetic signal, and a second helical antenna having a second radius and operable to receive a second electromagnetic signal. Further embodiments include a phase adjuster configured to receive the first electromagnetic signal as an input signal, apply an adjustable phase delay to the input signal, and output an adjusted electromagnetic signal. Still further embodiments include a signal combiner configured to receive the adjusted electromagnetic signal and the second electromagnetic signal and output a combined electromagnetic signal.

Abstract: A system, apparatus, and method for determining a velocity. A voltage is detected for a planar sensor array while the planar sensor array is moving though a magnetic field, wherein the planar sensor array comprises conductive channels formed in a substrate, wherein the conductive channels are connected in series, and wherein the voltage is generated by the planar sensor array in response to a movement of the planar sensor array through the magnetic field and wherein the voltage is proportional to a velocity of the planar sensor array moving through the magnetic field. The velocity of the planar sensor array is determined using the voltage detected for the conductive channels.

Abstract: Aspects of the subject disclosure may include, for example, identifying a coherence time for a user equipment (UE), identifying a coherence bandwidth for the UE, determining a coherence block based on the coherence time and the coherence bandwidth, and, based on a first determination that the coherence block satisfies a threshold, permitting the UE to transmit sounding reference signal (SRS) data over a smaller SRS bandwidth that is smaller than a default SRS bandwidth, at a lower periodicity that is lower than a default periodicity, or a combination thereof, thereby conserving power resources of the UE. Other embodiments are disclosed.

Abstract: A flexible sensor device includes a device layer including at least a first sensor configured to measure sensor data relevant to an object of interest, a flexible electronics layer including flexible circuit connected to the first sensor, a flexible substrate located between the flexible electronics layer and a first adhesive layer, a flexible tape cover that is on the device layer opposite the flexible substrate, the flexible tape cover covering the device layer, and a coupling element, located in a first aperture, the coupling element coupling the first sensor to the object of interest when the sensor device is attached to the object of interest. The first aperture is in one of the flexible substrate and the flexible substrate, overlapping the first sensor and exposing the coupling element to the object of interest.

Abstract: In some embodiments, an antenna module includes an antenna element having a first side and a second side opposite the first side, the first side comprising a radiating side of the antenna element and a support structure disposed at the second side of the antenna element and configured to define a cavity, the support structure including a portion configured to reduce signal leakage between the antenna element and the cavity.

Abstract: A spiral antenna assembly with an integrated feed network and method of manufacturing the same are disclosed. The spiral antenna assembly may comprise a supporting structure integrally formed with a feed network structure, thereby presenting a monolithic structure. A spiral antenna element may be disposed on a bottom surface or a top surface of the supporting structure. The feed network structure may comprise the feed network and project from a center of the top surface of the supporting structure. The feed network may comprise a microstrip balun architecture. The spiral antenna assembly may be formed by additively manufacturing the supporting structure and the feed network structure. A laser direct structuring process may write and activate the spiral antenna element on the supporting structure and the feed network on the feed network structure.

Abstract: The invention relates to a method for manufacturing an antenna for a radiofrequency transponder, said antenna including a spiral comprising turns which extend, at least in part, over an insulating substrate; the method is characterised in that it includes the step ac-cording to which at least one first portion of each turn is deposited on said substrate at a first plane level, at least one second portion of each turn being formed or kept at a distance from the first plane level of the substrate, the axis of the spiral being parallel to the plane of the substrate. The invention also relates to a portable electronic object comprising, in a fixed or removable manner, the obtained antenna.

Abstract: The disclosure provides a portable terminal including an electronic device and a case disposed thereon that provides water resistant, dust resistant, and insulation for the electronic device by proper positioning of an aperture of the electronic device that uses an area of the case as an antenna. The case includes a body part that comprises a main body with a metallic portion formed of a metallic material, and an auxiliary body disposed adjacent to the metallic portion, and at least a portion of the auxiliary body is used as an antenna for transmission and reception of signals. An insulation member is disposed between the at least a portion of the auxiliary body and the main body, and a bonding layer is disposed in at least one of an area between the insulation member and at least one area of the main body, or between the insulation member and the auxiliary body.