Abstract: A radio frequency (RF) communications system may include a local RF communications device and an RF antenna coupled to the local RF communications device. The RF antenna may include a cavity backing housing, a conical RF launch structure having an apex positioned within the cavity backing housing, and an elongate electrical conductor having a proximal end extending through the apex of the conical RF launch structure and a distal end spaced apart from the conical RF launch structure to define an elongate RF coverage pattern. The system may further include at least one remote RF communications device within the elongate RF coverage pattern to wirelessly communicate with the local RF communications device.

Abstract: An RF antenna arrangement has the same or slightly larger footprint as the RF shield for radio chips on a printed circuit board. The apparatus includes a printed circuit board, a digital processor, a radio chip(s), a radio frequency shield, a lid, and an RF antenna arrangement(s). The lid has the same or slightly larger footprint as the RF shield, which enables the lid to fit on the RF shield. The RF antenna is formed as an integral part of the lid. The apparatus also includes an RF transmission coaxial cable(s) having a first end physically and electrically connected to the RF antenna arrangement(s) and the surface of the lid, and a second end electrically coupled to an RF connector. By forming the antenna arrangement(s) from the lid, this invention solves the space constraint problems of antenna placements for wireless device applications. Additionally, this invention is cost-effective and simple to manufacture.

Abstract: A rotary joint including a stator intended to be fastened on a first part of the antenna and defining a transmission surface, and a rotor intended to be fastened on a second part of the antenna and defining a transmission surface, wherein one of the transmission surfaces includes primary means for delimiting electromagnetic signals and the other includes complementary means for delimiting electromagnetic signals; the rotor being mounted rotating relative to the stator such that at least part of the transmission surface of the rotor is positioned across from at least part of the transmission surface of the stator, the facing parts forming at least one transmission path between them for the electromagnetic signals delimited by the primary and complementary delimiting means.

Abstract: An electronic device includes a substrate with a plurality of LDS antennas and a conductive member, the substrate defines a first surface and a second surface opposite to the first surface. A decorative ink layer coats to the first surface of the substrate facing the interior of the electronic device, several LDS ink layers coat to the decorative ink layer, the LDS antennas are disposed on the corresponding LDS ink layers. The LDS antenna defines feed-in portion connecting with the conductive member, the conductive member comprises a flexible printed circuit and an anisotropic conductive adhesive connecting the flexible printed circuit and feed-in portion. Therefore, the transmission and reception of signal data can be realized through the connection between the flexible print circuit and the LDS antenna thereby enhance the effect of signal transmission and meet the needs of flexibility and miniaturization.

Abstract: A wireless communication antenna includes a solenoid coil portion including a core; and a magnetic body disposed in the core and comprising magnetic pieces arranged side by side in a direction perpendicular to or a direction parallel to a direction of a magnetic flux of the coil portion.

Abstract: An electronic device may be provided with wireless circuitry. Control circuitry may be used to adjust transmit power levels for wireless signals, may be used to tune antennas, and may be used to adjust other settings for the wireless circuitry. The electronic device may have a coupler interposed between an antenna and wireless transceiver circuitry. The coupler and a receiver within the transceiver circuitry may be used to make measurements on tapped antenna signals such as transmitted signals and signals reflected from the antenna. By analyzing the tapped antenna signals, S-parameter phase and magnitude information may be gathered that provides insight into whether the electronic device is operating properly and whether an external object is adjacent to the antenna. If an external object is present, the electronic device may limit wireless transmit power and may adjust tunable components in the antenna to compensate for detuning from the external object.

Abstract: A multi-frequency antenna structure includes a feed portion, a first ground portion, a first radiating portion, a second radiating portion, and a third radiating portion. The feed portion supplies current to the antenna structure. The first ground portion is spaced apart from the feed portion and grounds the antenna structure. The first radiating portion is electrically connected to the feed portion. The second radiating portion is spaced apart from the first radiating portion and is electrically connected to the first ground portion. The third radiating portion is spaced apart from the second radiating portion and is electrically connected to the feed portion and the first radiating portion.

Abstract: An antenna structure includes an antenna body, a radiator, a connecting member, and a coupling member. The radiator is a monopole antenna and is spaced apart from the antenna body. The connecting member is electrically connected to the radiator and feeds current signals to the radiator. The coupling member is spaced apart from the antenna body and the antenna body is grounded through the connecting member.

Abstract: In one embodiment, a sub-reflector assembly for a reflector antenna has (i) a waveguide transition at a waveguide end of the sub-reflector assembly and configured to fit within a waveguide, (ii) a dielectric radiator connected to the waveguide transition and extending both laterally and back towards the waveguide end of the sub-reflector assembly, and (iii) a sub-reflector connected to the dielectric radiator. By configuring the dielectric radiator to extend both laterally and back towards the dielectric end of the assembly, radiated energy from the waveguide is directed such that the sub-reflector assembly can be used with shallow reflector dishes (e.g., F/D ratio greater than 0.25) and still achieve sufficiently high directivity.

Abstract: A radio frequency antenna array uses multiple lenses, and mechanically movable elements, to provide ground-based and sky-based coverage for multiple object communication and tracking. The antenna array includes at least two spherical lenses, where each spherical lens has at least two associated RF elements. A third lens is added, along with at least two additional RF elements to narrow and track the overlapped beams from the first and second lenses. Each lens also includes a sub-controller configured to adjust a phase of the signals produced by the RF elements. The antenna includes a control mechanism configured to enable a user to move the RF elements along their respective tracks, and automatically configure the phase shifter to modify a phase of the output signals from the elements based on the relative positions between the RF elements. The overlapped beams track independent targets, such as satellites, across an area.

Abstract: A slot array antenna includes: a first conductive member having a first conductive surface and a plurality of slots therein, the slots being arrayed in a first direction and in a second direction which intersects the first direction; a second conductive member having a second conductive surface which opposes the first conductive surface; a plurality of waveguide members arrayed between the first and second conductive members along a direction which intersects the first direction, each waveguide member having an conductive waveguide face which extends along the first direction so as to oppose at least one of the slots; and an artificial magnetic conductor in a subregion which is within a region between the first and second conductive members but outside of a subregion containing the waveguide members. Neither an electric wall nor an artificial magnetic conductor exists in a space between two adjacent waveguide faces among the waveguide members.

Abstract: An electronic device according to various embodiments of the present invention may comprise: a body which is made of a conductive material and has both ends curvedly extending to be adjacent to each other so as to have a loop shape; a communication module arranged on the body; a feeding line which extends from the communication module and is arranged to cross a gap between both ends of the body; and at least one connection terminal for connecting the feeding line to the body, wherein the body can receive a feeding signal from the communication module through the feeding line, and transmit/receive a wireless signal. The above-mentioned electronic device can be implemented variously according to embodiments.

Abstract: Systems and methods relating to patch antennas and signal combiner circuits. The invention relates to a circuit with discrete capacitors, inductors and amplifiers arrayed in an arrangement with 2 input ports and one output port. The circuit provides a high degree of reverse electrical isolation between the input ports and the output at the radio frequency. The circuit provides an output that is the vector sum of signals present at the first and second input ports. The circuit additionally provides for introduction of a 90 degree phase shift into either of the two inputs. This circuit can be used with dual feed patch antennas.

Abstract: An electronic device may be provided with wireless communications circuitry and control circuitry. The wireless communications circuitry may include centimeter and millimeter wave transceiver circuitry and a phased antenna array. A dielectric cover may be formed over the phased antenna array. The phased antenna array may transmit and receive antenna signals through the dielectric cover. The dielectric cover may have a surface that faces the phased antenna array and may have a curvature. The antenna elements of the phased antenna array may be formed on a dielectric substrate. The dielectric substrate may have one or more thinned regions between antenna elements of the phased antenna array to reduce surface wave interference between adjacent antennas. The dielectric substrate may have a smaller thickness in the thinned region than in the regions under the antenna elements. The dielectric substrate may be totally removed in the thinned region.

Abstract: The embodiments of this disclosure disclose an array antenna system. The array antenna system includes M antenna radiation units, a strip line feed system, a strip line ground plane, and a strip line cavity; the strip line feed system includes a phase shift circuit and N first printed circuit boards PCBs configured to implement a power allocation function and/or a phase compensation function; the phase shift circuit is located in the strip line cavity, P first PCBs are located on an outer surface of the strip line cavity; all or some of the M antenna radiation units are connected to signal planes of the N first PCBs, and the signal planes of the N first PCBs are in a radio frequency connection to the phase shift circuit by using probes; and ground planes of the N first PCBs are in a radio frequency connection to the strip line ground plane.

Abstract: An antenna includes a conductor portion, a grounding portion and a radiator portion. The grounding portion includes a main section, first and second wings and a line section. The first and second wings extend respectively from opposite ends of the main section toward the conductor portion. The line section includes a base segment extending from the main section between the first and second wings toward the conductor portion, and an extension segment extending from the base segment toward the first wing. The radiator portion includes a feeding point adjacent to the main section, a base line extending from the feeding point toward the conductor portion and an extension section extending from the base line toward the second wing.

Abstract: An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas and first and second radio-frequency modules. The device may include a conductive housing having dielectric antenna windows. The first module may generate first millimeter wave signals in a first communications band. The antenna may transmit the first signals to external equipment through the dielectric window at a transmit power level. The antenna may receive control signals in the second communications band from the external equipment through the dielectric window. The first and second communications bands may include frequencies greater than 10 GHz. The second module may pass the received control signals to the first module to adjust the transmit power level of the first signals transmitted by the antenna. A duplexer may be interposed between the modules and the antenna for isolating the first and second communications bands.

Abstract: A dielectric resonator antenna (DRA) array having an array feeding network and a parasitic patch array made up of individual antenna elements is provided with a dielectric lens made from a single piece of dielectric material in the form of a generally planar sheet. The sheet may be substantially coextensive with the DRA array so as to cover all of the antenna elements. The single piece of dielectric material has a plurality of dielectric portions defined by a plurality of holes through the sheet. Each dielectric portion may be positioned over one of the antenna elements. Adjacent dielectric portions are connected to each other along connecting edge portions thereof, and a single hole is defined through the sheet between connecting edge portions of a group of mutually adjacent dielectric portions.

Abstract: A novel system for supporting a plurality of notch antenna elements is disclosed. This system allows the creation of higher power ultra-wideband step notch arrays. The system also provides electrical connection to each of the notch antenna elements via respective coaxial cables or other direct connections. These coaxial cables connect to coaxial connectors disposed on a substrate that supports the notch antenna elements. Each coaxial connector is in electrical communication with one of the notch antenna elements. By replacing the printed circuit board traditionally used, higher power can be supplied to the notch antenna elements.

Abstract: The invention relates to a radome comprising: a substantially sheet-type front plate, the front face of which is transparent and the rear face of which is provided with an opaque layer, at least one cut-out being provided in the opaque layer to act as a light exit; at least one substantially sheet-type light guide situated on the rear face on the opaque layer; and at least one light-emitting element, which is coupled to the light guide so that light enters said light guide, propagates through the at least one light guide, and enters the transparent front plate at the at least one light exit, so that the light is emitted from the front face of the front plate.