Abstract: An electronic device is provided. The electronic device may include a first housing including a first conductive part and a second conductive part spaced apart from the first conductive part, a second housing including a third conductive part and a fourth conductive part spaced apart from the third conductive part, a connection structure connected to the first housing and the second housing, respectively, a first switch to selectively and electrically connect the first conductive part to the second conductive part, a second switch to selectively and electrically connect the third conductive part to the fourth conductive part, a first connection to electrically connect the first conductive part to the third conductive part in the first state of the electronic device, a second connection to electrically connect the second conductive part to the fourth conductive part in the first state and a wireless communication circuit.

Abstract: An antenna structure includes a first resonant unit and a second resonant unit. The first resonant unit is configured to transmit an input signal as a first wireless signal. The second resonant unit is configured to transmit the input signal as a second wireless signal. The first resonant unit and the second resonant unit have a substantially identical operating band, and the first resonant unit and the second resonant unit are a single continuous metal structure.

Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including a rotation unit configured to rotate an antenna in a horizontal direction, a tilting unit configured to rotate the antenna in a vertical direction, and a rotation/vibration prevention unit configured to adjust a direction of the antenna by rotating at least one of the rotation unit and the tilting unit and prevent the antenna from arbitrarily rotating after the direction of the antenna is adjusted, in which the rotation/vibration prevention unit includes a rotation motor, a worm gear configured to be rotated by the rotation motor, a shaft configured to define at least one rotation center, and a worm wheel gear installed on an outer peripheral surface of the shaft and configured to rotate at least one of the rotation unit and the tilting unit while being rotated by the worm gear, thereby easily adjusting the direction of the antenna by controlling the rotation motor and preventing the antenna with the adjuste

Abstract: Antenna rotation structure includes a rotating member and an angle adjusting member. The rotating member is rotatably disposed along an axial direction in an accommodating space of the housing and includes a holding portion and a pushing portion disposed at one side of the holding portion spaced apart from the axial direction. The angle adjusting member includes a pressing portion bonded to a through hole of the housing and made of an elastic material and, an abutting portion connected to the pressing portion and corresponding to the pushing portion. When the pressing portion is pressed by a force, it deforms and drives the abutting portion to push the pushing portion to drive the holding portion to rotate about the axial direction to adjust the angle of the antenna.

Abstract: There is provided a test apparatus that measures transmission characteristics or reception characteristics of a DUT having an antenna under test, and includes an anechoic box, a posture changeable mechanism 56, a first test antenna 6a and a second test antenna 6b, for measuring the transmission characteristics or the reception characteristics of the DUT, a reflector that reflects a radio signal radiated by the first test antenna and converts the radio signal into a plane wave radio signal, and a movable antenna mechanism 60 that moves a position of the second test antenna such that the radio signal is transmitted to or received from the DUT installed in a far field at a plurality of angles of arrival, with reference to a radio-wave arrival direction from the first test antenna.

Abstract: Disclosed is an antenna comprising a substantially elliptical element arranged substantially perpendicular to, and spaced apart from, a substantially elliptical ground plane, wherein the substantially elliptical element has a major axis which is substantially perpendicular to the ground plane, and a minor axis which is substantially parallel to the ground plane.

Abstract: A switch circuit includes an antenna port and at least one switch branch. Each branch includes a first, a second, and a third switches. The antenna port has one end connected with an antenna, and another end electrically connected with one end of the first switch of each branch respectively. The other end of the first switch of each branch is electrically connected with one end of the second switch corresponding to each branch and one end of the third switch corresponding to each branch respectively; the other end of each of the second switch corresponding to each branch is connected with a ground terminal; the other end of each of the third switch corresponding to each branch is electrically connected with one end of a load corresponding to each branch; and the other end of the load corresponding to each branch is connected with the ground terminal.

Abstract: An apparatus includes a plurality of antenna modules and a printed circuit board (PCB) having a plurality of holes embedded with a heat sink. Each antenna module includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells mounted on a first surface of the antenna substrate, and a plurality of packaged circuitry mounted on a second surface of the antenna substrate. The plurality of packaged circuitry are electrically connected with the plurality of 3-D antenna cells. Each of the plurality of antenna modules is mounted on a plurality of portions of the heat sink such that a corresponding packaged circuitry of the plurality of packaged circuitry is in a direct contact with the plurality of portions of the heat sink embedded within the plurality of holes.

Abstract: An antenna device includes a first radiating element, a second radiating element having lower radiation efficiency than the first radiating element, a coupling element including first and second coils that are electromagnetically coupled to each other, and first and second phase adjusting elements. The first and second phase adjusting elements induce, at a resonant frequency of the second radiating element, a predetermined proportion of current flowing through the second radiating element to the first radiating element.

Abstract: The present invention discloses a base station, including a radome, a radiator, and an adapter board. The adapter board includes a first board surface and a second board surface that are disposed oppositely, the radome is fastened to the first board surface, a first cavity configured to accommodate an antenna component of the communication base station is formed between the radome and the adapter board, the radiator includes a mounting surface and a side wall that are neighboring to each other, a second cavity configured to accommodate a radio frequency component of the communication base station is recessed on the mounting surface, the mounting surface is fixedly connected to the second board surface, the second cavity is communicated with the first cavity, a connector configured to communicate the radio frequency component with an external circuit is mounted on the side wall, and is electrically connected to the radio frequency component.

Abstract: An antenna device includes a substrate ground having a planar surface, a planar radiation element disposed in parallel and opposite to a planar portion of the substrate ground, a power feeding point connected to the planar radiation element, and a ground portion forming a stacked body in which, on a radiation surface side, ground patterns made of a conductive material are stacked from the radiation surface in a radiation direction perpendicular to the radiation surface. The ground pattern in each of layers of the stacked body is formed inwardly of a portion immediately overlying the ground pattern in another layer located on the radiation surface side, non-ground portions in which the conductive material is not disposed being formed in a portion immediately overlying the radiation surface, and the non-ground portions in the individual layers are formed to be gradually enlarged in the radiation direction.

Abstract: An antenna, includes in part, a metal piece formed on a surface of a substrate and configure to radiate electromagnetic waves, a metal feed formed in the substrate and configure to supply electrical signal to the metal piece, and a multitude of metallic walls formed in the substrate and enclosing the metal piece. The antenna may be a patch antenna, a monopole antenna, or a dipole antenna. Each metallic wall may include a via that is fully or partially filled by a metal, or an electroplated tub formed in the substrate. The antenna further includes, in part, a metallic trace formed on the surface of the substrate and enclosing the antenna. The substrate may be a printed circuit board.

Abstract: An example antenna system includes a zig-zag antenna array. The zig-zag antenna array includes a stack of conductive disks and at least one crossed zig-zag antenna extending through the stack of conductive disks. The at least one crossed zig-zag antenna includes an element pair that includes a plurality of crossed zig-zag antenna segment pairs between the stack of conductive disks. A respective crossed zig-zag antenna segment pair extends between a respective lower conductive disk and a respective upper conductive disk. The example antenna system further includes a control circuit coupled to the element pair to switch the crossed zig-zag antenna segment pairs to drive the crossed zig-zag antenna segment pairs to transmit or receive radio frequency (RF) waves with polarization states that include vertical, horizontal, elliptical, or circular polarization.

Abstract: The invention provides a signal isolation and transmission device, comprising a high-frequency amplitude modulation circuit, a signal demodulation circuit, a first H-field antenna and a second H-field antenna. The first H-field antenna and second H-field antenna are both loop antennas with an external conductive shielding layer, and an insulating layer is wrapped outside the conductive shielding layer. The annular parts of the first H-field antenna and second H-field antenna face and abut each other. The high-frequency amplitude modulation circuit is connected with a pin of the first H-field antenna, and a pin of the second H-field antenna is connected with the signal demodulation circuit. The signal to be tested is modulated onto a high-frequency carrier signal by the high-frequency amplitude modulation circuit, and then isolated and transmitted by the two H-field antennas, which greatly improves the anti-interference effect, reduces the attenuation degree and improves the coupling degree of the signals.

Abstract: A method includes detecting, via first and second receivers of a tool that are oriented at a first and a third tilt angle, respectively, a first and second measurement of a first signal transmitted by a transmitter of the tool that is oriented at a second tilt angle into a substantially non-conductive material. The method includes determining, based on the first and second measurements, a first tensor and conveying the tool into a first wellbore formed in a subsurface formation. The method includes detecting, via the first receiver and the second receiver, a third and fourth measurement, respectively, of a second signal transmitted by the transmitter and determining, based on the third and fourth measurements, a second tensor and determining a third tensor (having values independent of the first, second, and third tilt angles) based on a relationship between the first and second tensors.

Abstract: A millimeter wave antenna module package structure includes a first group of circuit structure, a second group of circuit structure, and a plurality of joints. The first group of circuit structure includes at least one first circuit layer and a plurality of first conductive connectors, and the at least one first circuit layer includes an antenna pattern. The second group of circuit structure includes a plurality of second circuit layers and a plurality of second conductive connectors. The joints are disposed between the first group of circuit structure and the second group of circuit structure. The joints are connected to the first conductive connectors and the second conductive connectors, such that the first group of circuit structure is electrically connected to the second group of circuit structure to form a multi-layer redistribution structure. A manufacturing method of the millimeter wave antenna module package structure is also provided.

Abstract: Omnidirectional electromagnetic signal inducer (omni-inducer) devices are disclosed. The omni-inducer device may include a housing, which may include a conductive base for coupling signals to ground, and an omnidirectional antenna node including a plurality of antenna coil assemblies, where the node may be disposed on or within the housing. The omni-inducer device may further include one or more transmitter modules for generating ones of a plurality of output signals, which may be generated at ones of a plurality of different frequencies, and one or more control circuits configured to control the transmitters and/or other circuits to selectively switch the ones of the plurality of output signals between ones of the plurality of antenna coil assemblies.

Abstract: An assembly comprises a first subassembly, a second subassembly, and a conductive grounding element. The first subassembly comprises a first module comprising a first ground plane and a first conductive region in operable communication with the first ground plane. The second subassembly comprises a second module comprising a second ground plane distinct from the first ground plane and a second conductive region in operable communication with the second ground plane. The first and second subassemblies attach to each other along a seam. The conductive grounding element comprises an electrically conductive material including a first portion disposed adjacent to the first conductive region and a second portion disposed adjacent the second conductive region. The conductive grounding element is configured to fill one or more gaps in the seam and to operably couple together the first and second ground planes of the first and second subassemblies into a third common ground plane.

Abstract: Antenna arrays, antenna elements for said arrays, and methods of fabricating and using the same are provided. Antenna arrays can be operated at multiple frequencies, such as at two different frequencies for Radio Detection And Ranging (RADAR) communication and for imaging applications. Each antenna element can include a driven patch that is excited directly and a parasitic patch that is excited by the driven patch.