Abstract: An apparatus for the attenuating of electromagnetic radiation is provided herein and comprises a layered support substrate, wherein said support substrate comprises at least one of the following electromagnetic radiation attenuating layers: an electrically conductive fabric; a microwave absorbing layer; or a magnetic shielding layer. The support substrate further comprises a surrounding material which envelops the entirety of the electromagnetic radiation attenuating layers. The support substrate is formed to include a forward electromagnetic radiation attenuating surface and is intended for use with laptop computers.

Abstract: A multi-filar helical antenna comprising a helical radiating element extending along a longitudinal axis, comprising an elongate body having a free first end and a second end opposite the first end and coupled to a feeding port, and a tail member, extending away from the body at the second end. The tail member has a geometry that is selected for modifying at least one of an impedance of the radiating element, and broadening the antenna's resonance bandwidth. The radiating element may comprise a positioning member extending away from the second end along a direction substantially parallel to the axis. An end portion of the positioning member is secured to an electrically conductive surface in connection with the feeding port. The second end is positioned at a given distance above the conductive surface and the radiating element is fed through the feeding port at the given distance above the conductive surface.

Abstract: Reconfigurable antenna systems with ground tuning pads are provided herein. In certain configurations, an antenna system includes a module substrate including a ground plane and a ground tuning pad configured to receive a ground voltage from the ground plane. The antenna system further includes an antenna element and a tuning conductor that is spaced apart from the antenna element and operable to load the antenna element. Furthermore, a switch is electrically connected between the tuning conductor and the ground tuning pad, and operates to selectively connect the tuning conductor to the ground plane by way of the ground tuning pad to provide tuning to the antenna element.

Abstract: This disclosure relates to a radio frequency (RF) transmission line for high performance RF applications. The RF transmission line includes a bonding layer having a bonding surface and configured to receive an RF signal, a barrier layer proximate the bonding layer, a diffusion barrier layer proximate the bonding layer and configured to prevent contaminant from entering the bonding layer, and a conductive layer proximate the diffusion barrier layer. The diffusion barrier layer has a thickness that allows the received RF signal to penetrate the diffusion barrier layer to the conductive layer. The diffusion barrier layer can be a nickel layer.

Abstract: An antenna device includes a coil antenna including a coil conductor wound around a winding axis, and a planar conductor. The coil antenna includes a first region in which the coil conductor overlaps the planar conductor in a plan view of the planar conductor (when viewed from the Z-direction) and a second region in which the coil conductor does not overlap the planar conductor in the plan view of the planar conductor. The line width of the coil conductor in the first region is wider than the line width of a portion (portion extending in the X-direction) of the coil conductor in the second region. Accordingly, an inductance per unit length in the circumferential direction of the coil conductor in the first region is lower than the inductance per unit length in the circumferential direction of the coil conductor in the second region.

Abstract: A vehicle antenna device includes an antenna base, an antenna case that covers the antenna base, and an antenna element positioned inside the antenna case and including a capacitive element and a coil element. The coil element includes a supporting body and a winding held by the supporting body, and the supporting body has a support area and projections that are formed along an axial direction of the coil element and hold the winding in the support area.

Abstract: A triple-band antenna array for cellular base stations operates at a first frequency band and at a second frequency band within a first frequency range, and also at a third frequency band within a second frequency range. The triple-band antenna array comprises a first set of radiating elements operating at the first frequency band, a second set of radiating elements operating at the second frequency band, a third set of radiating elements operating at both the third and the first frequency bands, and a fourth set of radiating elements operating at both the third and the second frequency bands. The radiating elements are arranged such that at least some of the radiating elements of the first and third sets are interlaced, and at least some of the radiating elements of the second and fourth sets are interlaced.

Abstract: A lensed antenna system is provided. The lensed antenna system include a first column of radiating elements having a first longitudinal axis and a first azimuth single, and, optionally, a second column of radiating elements having a second longitudinal axis and a second azimuth angle, and a radio frequency lens. The radio frequency lens has a third longitudinal axis. The radio frequency lens is disposed such that the longitudinal axes of the first and second columns of radiating elements are aligned with the longitudinal axis of the radio frequency lens, and such that the azimuth angels of the beams produced by the columns of radiating elements are directed at the radio frequency lens. The multiple beam antenna system further includes a radome housing the columns of radiating elements and the radio frequency lens. There may be more or fewer than two columns of radiating elements.

Abstract: An antenna structure includes a housing and a first feed source. The first feed source is electrically coupled to a first radiating portion of the housing and adapted to provide an electric current to the first radiating portion.

Abstract: Antenna systems having adaptive antenna arrays for use in wireless communication devices are provided. In one example implementation, the antenna system includes a first antenna array include a plurality of antenna elements. The antenna system includes a second antenna array including a plurality of antenna elements. The first and second antenna arrays are each disposed about the periphery of the wireless device. At least one of the first and second antenna arrays is an adaptive antenna array having an active multi-mode antenna. The active multimode antenna can be adapted for configuration in one of a plurality of possible modes. The active multi-mode antenna is associated with a distinct radiation pattern when configured in each of the plurality of possible modes.

Abstract: An electronic device may be provided with wireless circuitry and control circuitry. The wireless circuitry may include multiple antennas and transceiver circuitry. An antenna in the electronic device may have an inverted-F antenna resonating element formed from portions of a peripheral conductive electronic device housing structure and may have an antenna ground that is separated from the antenna resonating element by a gap. A split return path may bridge the gap. The split return path may be coupled between a first point on the inverted-F antenna resonating element arm and second and third points on the antenna ground. The split return path may include a first inductor coupled between the first and second points and a second inductor coupled between the first and third points. The first and second inductors may be adjustable.

Abstract: A broadband microstrip antenna formed on a printed circuit board has a first planar side comprising a plurality of electrically conductive planar v-shaped antenna segments, each v-shaped antenna segment comprising an open end formed by non-parallel sides and a closed end formed by an intersection of the non-parallel sides. The open end of each v-shaped antenna segment is electrically connected to one or more adjacent v-shaped antenna segments forming a series of electrically connected v-shaped antenna segments. The closed end of a centered v-shaped antenna segment provides a feed point for the one or more adjacent v-shaped antenna segments.

Abstract: Passive antenna arrays and methods of using and fabricating the same are provided. A passive antenna array can include a substrate that is capable of being folded and a plurality of antenna elements disposed on the substrate. The substrate can have predefined folding lines such that the substrate can be folded into different positions. The antenna elements can be separated from each other by the folding lines in the substrate. The passive antenna array can exhibit dual band operation and can change its frequency by changing its shape.

Abstract: An antenna system for an unmanned aerial vehicle (UAV) includes an antenna and a self-leveling antenna mount configured to mount the antenna to the UAV. The antenna is configured to receive commands for the UAV via a network and to transmit data from the UAV via the network. The antenna has a transmit-receive pattern with a peak strength in a first direction aligned with an axis of the antenna. The transmit-receive pattern falls off in directions away from the axis of the antenna. The self-leveling antenna mount is configured to adjust an orientation of the antenna to maintain substantial alignment between the first direction and a straight downward direction relative to the UAV despite a change in roll, pitch, or bank of the UAV. In some embodiments, the axis of the antenna is a downward vertical axis of the antenna.

Abstract: A broadband low-profile dual-linearly polarized antenna for a OneLTE two-in-one platform and an antenna array device formed therefrom are provided that can realize low-profile and ultra-broadband and have such advantages as simple structure, neat appearance, easy engineering implementation, and suitability for mass production. The broadband low-profile dual-linearly polarized antenna can include (1) a radiating portion that can include a dielectric substrate, printed folded dipoles spaced apart on an upper surface of the dielectric substrate, first coupled parasitic elements on a lower surface of the dielectric substrate, and second coupled parasitic elements on the upper surface of the dielectric substrate and (2) a feed balun for feeding the radiating portion, wherein each of the printed folded dipoles can include a corresponding one of the first coupled parasitic elements and a corresponding one of the second coupled parasitic elements.

Abstract: An antenna and a terminal are disclosed. In an embodiment an antenna includes a feedpoint disposed on a printed circuit board of a mobile terminal and a metal frame being an outer frame of a mobile terminal, wherein the metal frame has a split, a first ground point and a second ground point, wherein the first ground point and the second ground point are located at two sides of the split, the first ground point and the second ground point being grounded, wherein the metal frame between the feedpoint and the first ground point forms a first resonance loop, and wherein the metal frame between the feedpoint and the second ground point forms a second resonance loop.

Abstract: A wireless communication device includes: a reflector plate that comprises a reflective surface, the reflective surface reflecting an electromagnetic wave; an array antenna that comprises a plurality of antenna elements, the antenna elements being arranged on the reflective surface; one or more fins that stand on the reflective surface; and a transmission and reception circuit that is connected to the reflector plate, and transmits and receives a wireless signal via the array antenna.

Abstract: An antenna system includes a first antenna, a second antenna, and a third antenna. The third antenna is disposed between the first antenna and the second antenna. Both the first antenna and the second antenna operate in a first frequency band. The third antenna operates in a second frequency band which is different from the first frequency band. The first antenna, the second antenna, and the third antenna are all disposed on the same plane.

Abstract: A circularly polarized antenna device, which is connectable to a wireless terminal measurement apparatus for performing measurements on a device under test (DUT) provided with an antenna on one surface of the DUT, includes a circularly polarized antenna and a holder. The circularly polarized antenna includes a dielectric substrate and a circularly polarized type of antenna element formed on a first surface of the dielectric substrate. The first surface is opposite to the one surface of the DUT. The circularly polarized antenna is spatially coupled to the antenna of the DUT. The holder holds the circularly polarized antenna and the DUT such that the one surface of the DUT and the dielectric substrate are not parallel to each other.

Abstract: According to an embodiment of the present invention, there is provided a radome, including a cover part configured to cover a printed circuit board (PCB) on which a plurality of antenna arrays and an integrated circuit (IC) chip connected to the plurality of antenna arrays are formed, and a plurality of projection parts on an inner side of the cover part opposite to the PCB.