Abstract: An antenna device includes line-shaped feeding conductors arranged so as to face each patch antenna array and performing electromagnetic coupling feeding on each of the patch antennas, from a wiring-side feeding portions formed at a position intersecting a slot when viewed from the normal direction of a first surface. The patch antennas include an electrode which is arranged so as to face the wiring-side feeding portion, between two radiation elements arranged apart in the first direction, and is electromagnetically coupled from the wiring-side feeding portion. The electrode and each of the two radiation elements are electrically coupled in the first direction.

Abstract: Systems and methods for deploying an extendable reflector structure. The methods comprise: transitioning the extendable reflector structure from a stored configuration to a deployed configuration; and causing expansion of a pantograph coupling structure while the extendable reflector structure is being transitioned from the stored configuration to the deployed configuration. The pantograph coupling structure indirectly couples the extendable reflector structure to a boom such that a beam produced by the extendable reflector structure during operation is offset from a focal axis of the extendable reflector structure by a certain amount.

Abstract: An expandable antenna includes: a plurality of ribs arranged with a regulated angular pitch at an outer circumferential portion of a hub; and a metal mesh installed between the plurality of adjacent ribs, wherein each of the plurality of ribs is formed in a horizontally elongated thin flat plate shape with elasticity, and a segment to which the metal mesh is attached is formed in a parabolic shape. A flat plane of each of the plurality of ribs is arranged so as to be substantially parallel to a central axis of the hub. The object of the present invention is to provide the expandable antenna which can be easily expanded in outer space with a simple structure and can realize a desired shape after expansion.

Abstract: A radio-frequency (RF) heat shield for electronics includes a first and second outer skin formed of an insulating material, an insulating core layer arranged between the first and second outer skin, wherein the insulating core layer has a lower dielectric constant as compared with a higher dielectric constant of the first and second outer skin, and a frequency selective surface (FSS) layer including a reflective metallization pattern that is RF transparent and formed on an exterior surface of each of the first and second outer skin.

Abstract: An antenna assembly includes a base, a gimbal disposed at the base, an antenna disposed at the gimbal, and a mainboard configured to control an attitude of the gimbal to control a radiation direction of the antenna.

Abstract: An antenna array module includes at least two antenna units mounted on a surface of a feed network circuit board with two power division circuits, and a filter mounted on a surface of the feed network circuit board with two coupling circuits. Each power division circuit includes an input end and a plurality of output ends. One power division circuit feeds an antenna unit for ?45° polarization, and the other power division circuit feeds an antenna unit for +45° polarization. Each coupling circuit includes a radio frequency input end and an output end, and the output end of the coupling circuit is electrically connected to the input end of the power division circuit. The filter includes at least two output ends that are electrically connected to the radio frequency input end of the coupling circuit. A base station antenna includes a mounting structure and a connection structure.

Abstract: In-building antenna apparatus and methods for manufacturing and installing the same. In one embodiment, the antenna apparatus includes a radome cover, a lower flange, an antenna housing, a spring-loaded mount apparatus, a signaling interface, and a plurality of spring arms. Each of the spring arms may include at least one tie-down location. Accordingly, when a removable tie is placed around a plurality of tie-down locations, the antenna apparatus resides in an installation configuration; however, when the removable tie is removed from around the plurality of tie-down locations, the antenna apparatus transitions towards a default configuration. The spring arms may also act as a ground plane for the antenna. Spring-loaded mount apparatus as well as methods of manufacturing and installing the aforementioned antenna apparatus are also disclosed.

Abstract: Antenna assemblies for vehicles, such as RADAR sensor antenna assemblies. In some embodiments, the assembly may comprise an antenna block defining an array of waveguide grooves on a first side of the antenna block. A slotted layer comprising a plurality of slots may be coupled with the antenna block with the slots at least partially aligned with the waveguide grooves of the antenna block. An adhesive layer may be positioned in between the antenna block and the slotted layer.

Abstract: Embodiments include an antenna assembly comprising a non-conductive housing having an open end; an antenna element positioned inside the non-conductive housing; an electrical cable having a first end electrically coupled to the antenna element and a second end extending out from the open end; one or more dielectric materials positioned inside the non-conductive housing; and a conductive gasket coupled to a portion of the electrical cable positioned adjacent to the open end and outside the non-conductive housing. One embodiment includes a portable wireless bodypack device comprising a frame having a first external sidewall opposite a second external sidewall; a first antenna housing forming a portion of the first sidewall and including a first diversity antenna; and a second antenna housing forming a portion of the second sidewall and including a second diversity antenna.

Abstract: A liquid crystal cell according to the present invention includes: a TFT substrate including a first dielectric substrate, TFTs supported on the first dielectric substrate, and patch electrodes electrically connected to the TFTs; a slot substrate including a second dielectric substrate and a slot electrode including slots supported on the second dielectric substrate; a liquid crystal layer interposed between the TFT substrate and the slot substrate which are arranged in a form in which the patch electrode and the slot electrode face each other; antenna units each including one of the patch electrodes and the slot electrode including at least one of the slots arranged corresponding to the one of the patch electrodes; and alignment films formed on surfaces of both of the TFT substrate and the slot substrate facing the liquid crystal layer, made of a polyimide-based resin, and having a relative dielectric constant of 3.8 or more.

Abstract: A method for deploying a trough structure. The methods comprise: causing a first telescoping segment to move in a first direction away from a proximal end of a telescoping boom; and transiting a flexible element from an untensioned state to a tensioned state as the first telescoping segment is moved in the first direction. The flexible element is coupled to a distal end of the first telescoping segment by a first bulkhead and is coupled to a distal end of a second telescoping segment by a second bulkhead. The first telescoping segment is coupled to the second telescoping segment of the boom when the first telescoping segment reaches an extended position. The flexible element has a parabolic trough shape when in the tensioned state.

Abstract: An apparatus comprising: a first cover member configured to define an exterior surface of an electronic device, the first cover member including a first conductive portion (30) defining at least a first edge (32) and a second edge (34) of the electronic device, the first edge (32) being shorter than the second edge (34) and defining an aperture (36) therein; a first feed point (26) coupled to the first conductive portion along the first edge (32) at a first side of the aperture (36); and a second feed point (28) coupled to the first conductive portion along the first edge (32) at a second side of the aperture (36), opposite to the first side of the aperture.

Abstract: The disclosure relates to arrangements for antenna interfaces configurable to efficiently support different communication modes. This is achieved by an antenna connection circuit 10 for a communication device 1 wherein the antenna connection circuit 10 is configurable for communication modes. The antenna connection circuit comprises a first quarter-wave transformer qw1 coupled between an antenna port A and an transmitter port Tx, and a second quarter-wave transformer qw2 coupled between the antenna port A and a receiver port Rx. The antenna connection circuit further comprises a first ground switch s1 coupled between the receiver port Rx and a first ground connection g1, and a second ground switch s2 is coupled between the transmitter port Tx and a second ground connection g2.

Abstract: In a meta-structure having multifunctional properties according to an exemplary embodiment of the present invention, a plurality of unit blocks controlling a property of a wave is combined on a plane or in a space in a predetermined pattern to form one structure, at least one of the plurality of unit blocks is formed to have a different size, and a frequency range of a wave controlled is changed according to the size of the unit block.

Abstract: A low frequency and direct current (DC) signal blocking device includes a dielectric substrate layer; a low frequency and DC signal blocking transmission line on a first surface of the substrate layer, where the low frequency and DC signal blocking transmission line has an input end and an output end; a metal layer on a second surface of the substrate layer, where there is at least one gap on the metal layer such that the metal layer is separated into at least a first sub-region and a second sub-region, where the gap is configured to block at least one of a low frequency signal and a DC signal; the substrate layer disposed between the low frequency and DC signal blocking transmission line and the metal layer; and a metal plate, wherein a dielectric layer is disposed between the metal plate and the metal layer.

Abstract: Various embodiments of the present disclosure provide an antenna device, which comprises: a radiator for receiving a power supply signal; multiple tuning units disposed adjacently to or on the radiator, wherein the tuning units are short-circuited to the radiator or adjacent tuning units are selectively short-circuited to each other. The antenna device as described above can be variously implemented according to embodiments.

Abstract: An antenna device is provided, which includes a first substrate, and a second substrate facing and spaced with the first substrate in a distance. At least one working element disposed between the first substrate and the second substrate, wherein the at least one working element is filled with a modulation material. At least one buffer element is connected with the at least one working element for adjusting the amount of the modulation material in the at least one working element.

Abstract: A terminal includes a conductive substrate and a printed circuit board that are disposed opposite to each other, a first slot is disposed in a direction from a first side edge of the conductive substrate to a center of the conductive substrate, and a projection of the printed circuit board on the conductive substrate is located inside the conductive substrate, and a first feeder is disposed inside the first slot, a first connection end of the first feeder is coupled to a lap joint of the first side edge, a second connection end of the first feeder is coupled to a first feeding source on the printed circuit board, and projections of the lap joint of the first side edge and the first feeding source on the conductive substrate are located on two sides of the first slot.

Abstract: An electronic device is provided and includes a first housing forming a portion of an outside surface of the electronic device, a second housing coupled with the first housing and forming another portion of the outside surface of the electronic device, an antenna formed in at least a portion of the second housing, a connector including one or more connection pins for connection with an external device, at least a portion of an outside surface of the connector being formed of a conductive member, an adjusting circuit electrically connected with, at least, the portion of the outside surface of the connector formed of the conductive member, wherein an impedance of the adjusting circuit is variable. The electronic device may further include a processor configured to vary the impedance of the adjusting circuit based on a signal to be output through the antenna, and output the signal through the antenna, with the impedance of the adjusting circuit being varied.

Abstract: A satellite antenna includes first and second extensible booms and first and second sets of ribs carried by the respective first and second extensible booms. A Radio Frequency (RF) reflective film is carried by the first and second sets of ribs. First and second phased array antenna feeds are carried by the respective first and second extensible booms and directed toward the RF reflective film. First and second sets of fiducial devices are carried by the respective first and second sets of ribs. At least one camera is directed toward the first and second sets of fiducial devices to sense a physical distortion of the RF reflective film. A controller cooperates with the at least one camera to operate the first and second sets of phased array antenna feeds to account for sensed physical distortion of the RF reflective film.