Abstract: A cover for a sunken enclosure includes a mounting part for mounting it to a sunken enclosure with which it is used such that the cover is movable between a closed position in which it closes an open top of the enclosure and is substantially level with a surface intersected by the open top, and an open position in which it is displaced from the surface and exposes an internal area of the enclosure, and in which the cover includes an antenna for transmitting and receiving radio waves.

Abstract: The solar-powered satellite dish heater is configured for use with a satellite dish. The satellite dish is an antenna that is configured to receive radio frequency transmissions from a satellite. The solar-powered satellite dish heater is a heating device that prevents an accumulation of ice from inhibiting the satellite dish from receiving the radio frequency transmissions from the satellite. The solar-powered satellite dish heater comprises the satellite dish and a heating structure. The heating structure generates heat that is transferred to the satellite dish such that any ice that has accumulated on the satellite dish will melt.

Abstract: An antenna structure includes a feeding layer, a resonation layer, and a ground layer. The feeding layer is configured for receiving an antenna feeding signal. The resonation layer is disposed at an area surrounding the feeding layer. A first predetermined distance is defined between the resonation layer and the feeding layer. The ground layer is disposed at a side of the feeding layer and the resonation layer. A second predetermined distance is defined between the ground layer and resonation layer. The ground layer includes a first support portion and a second support portion. The ground layer is not electrically connected to the feeding layer. The resonation layer is electrically connected to the first support portion and the second support portion of the ground layer.

Abstract: An antenna device includes an antenna unit that receives radio waves of a plurality of first frequency bands and outputs received signals, and a first band pass filter that transmits, out of the received signals that are output, received signals of at least two second frequency bands out of the first frequency bands.

Abstract: A radiation element, as well as an antenna unit and an antenna array thereof. The radiation element includes a metal radiation sheet, a plastic support structure, and a feeding balun. The antenna unit further includes a feeding network. Laser Direct Structuring (LDS) technology is used to manufacture the radiation element, the antenna unit and the antenna array thereof, eliminating metal reflection sheets; further surface mount technology (SMT) is employed to weld the antenna unit and the feeding network together, the antenna being light-weight and simple to assemble.

Abstract: The invention relates to a low profile antenna, operating over a wide range of frequencies. The dual-polarized wideband antenna consists of: radiating elements, ground plane, metallic walls, coaxial cables, split-ring slots. The antenna is fed by coaxial cables at feed points, which are surrounded by split-ring slots. The antenna can be utilized as an element in an array to provide particular radiation pattern.

Abstract: The present application provides a butterfly planar antenna element and an antenna. The butterfly planar antenna element includes a main radiator and secondary radiators arranged on both sides of the main radiator. A butterfly opening is formed in the main radiator with a symmetrical structure, and includes a first opening arranged in the middle part of the main radiator and four second openings formed by extending outwardly from four corners of the first opening respectively.

Abstract: An outer space deployable antenna may include a support shaft, a plurality of antenna fins, and an actuator. At least one draw cord may be coupled between the antenna fins and the actuator so that the antenna fins are moveable from a flat stored configuration to a fanned-out deployed configuration surrounding the support shaft.

Abstract: The invention relates to a planar antenna element and an antenna. The planar antenna element includes a main radiator and secondary radiators. The main radiator is a rectangular metal sheet in which a double gourd-shaped opening is formed. The double gourd-shaped opening includes a first opening, a second opening and a feed line part. The first opening and the second opening are communicated through the feed line part and are symmetrical to each other. The secondary radiators are arranged on the short sides of the main radiator.

Abstract: An antenna module includes a first power feed element and a second power feed element each having a flat plate shape, and a ground electrode (GND) arranged so as to face the first power feed element and the second power feed element. The first power feed element is configured to radiate a radio wave having a first direction as a polarization direction. The second power feed element is arranged between the first power feed element and the ground electrode (GND), and is configured to radiate a radio wave having a second direction as a polarization direction. A frequency of the radio wave radiated from the first power feed element is higher than a frequency of the radio wave radiated from the second power feed element. An angle formed by the first direction and the second direction is greater than 0° and less than 90°.

Abstract: The present disclosure relates to a communication technique for converging Internet of Things (IoT) technology with a 5th Generation (5G) communication system for supporting a higher data transfer rate beyond a 4th Generation (4G) system, and a system therefor. The disclosure can be applied to intelligent services (e.g., smart homes, smart buildings, smart cities, smart or connected cars, health care, digital education, retail business, and services associated with security and safety) on the basis of 5G communication technology and IoT-related technology. An antenna module is provided. The antenna module includes an antenna, and at least one transmission line configured to transmit a first signal through the antenna for transmission or receive a second signal through the antenna for reception. The length of the transmission line may be determined based on the impedance when the first signal or the second signal flows through the transmission line.

Abstract: A radio signal absorption enclosure can be used while testing wireless communication devices. In some examples, the radio signal absorption enclosure includes at least two conductive radio frequency (RF) shield layers separated by an insulator material. An inner surface of the RF shield can be further lined with a RF absorbing material to attenuate the electro-magnetic radiation generated within the radio signal absorption enclosure. In some examples, components internal to the radio signal absorption enclosure, such as a rotatable platform and a controller, can receive power and/or instructions via a filter, thereby substantially reducing electro-magnetic interference and/or RF interference.

Abstract: A planar array antenna having a low-profile that provides a two dimensional, steerable, high-gain, low-sidelobe radiated RF beam patterns is presented. The antenna includes a metamaterial array of a plurality of first and second rows of unit cells, to propagate a radiation pattern along a first axis. The first rows operate in left-hand mode and the second rows operate in right-hand mode. Each of the unit cells include a volume of liquid crystal and a virtual ground connection capable of generating a potential difference for tuning the dielectric value of the liquid crystal. The antenna further includes a plurality of RF input ports disposed in a centralized location and a dual-channel center-feed network communicatively coupled to the plurality of paired first and second rows of unit cells and the plurality of RF input ports to form and control the direction of the radiated RF beam pattern.

Abstract: An electronic device which includes a housing is provided. The housing includes a first surface, a second surface facing away from the first surface, and a side member surrounding a space between the first surface and the second surface, a display that is exposed through a substantial portion of the first surface of the housing, a first radiator that forms a portion of the side member, a PCB that is positioned within the housing and includes a ground layer, a communication circuit that is positioned on the PCB, and a conductive pattern having a length corresponding to a length of the first radiator.

Abstract: An antenna system includes a first antenna, a second antenna, a first parasitic element, and a second parasitic element. The first antenna includes a first feeding element, a first radiation element, and a shorting element. The first radiation element is coupled to the first feeding element. The first feeding element is coupled through the shorting element to a first grounding point. The second antenna includes a second feeding element, a second radiation element, and a third radiation element. The second radiation element and the third radiation element are coupled to the second feeding element. The first parasitic element is coupled to a second grounding point. The second parasitic element is coupled to a third grounding point. The first parasitic element and the second parasitic element are disposed between the first and second antennas. The first parasitic element and the second parasitic element extend away from each other.

Abstract: A dielectric lens, where the dielectric lens is a cylindrical lens or an ellipsoidal lens whose cross-sectional profile is a quasi-ellipse, and the dielectric lens is formed by piling a plurality of units. Dielectric constant distribution of the units in the dielectric lens enables a non-plane wave in a minor axis direction of the quasi-ellipse to be converted into a plane wave through the dielectric lens. The units of the dielectric lens are prepared through extrusion, injection, molding, computer numerical control (CNC) machining, or a three dimensional (3D) printing process technology, and the units may be assembled through gluing, welding, structural clamping, or a coupling printed through 3D printing. When the dielectric lens is applied to a multi-beam antenna, a system capacity of a communications system can be increased. In addition, a thickness of the lens is reduced using the multi-beam antenna.

Abstract: The disclosure is directed to a multi-segment housing for an electronic device that includes multiple conductive segments that are structurally coupled by one or more non-conductive housing segments or splits. One or more of the conductive segments may be configured to operate as an antenna and the non-conductive housing segments may provide electrical insulation between the conductive segment and one or more adjacent housing segments. The non-conductive housing segment may be formed from a polymer having an array of fibers dispersed within the polymer. The fibers may be aligned along one or more fiber directions, which may be substantially perpendicular to an exterior surface of the housing.

Abstract: Novel directional antennas are disclosed which utilize plasmonic surfaces (PS) that include or present an array of closely-spaced parasitic antennas, which may be referred to herein as “parasitic arrays” or fractal plasmonic arrays (FPAs). These plasmonic surfaces represent improved parasitic directional antennas relative to prior techniques and apparatus. Substrates can be used which are transparent and/or translucent.

Abstract: An antenna device includes a radiating element, a coupling circuit, and a non-radiating resonant circuit. The coupling circuit includes first and second coupling elements, the first coupling element being connected between a feeder circuit and the radiating element, the second coupling element being coupled to the first coupling element. An end of the second coupling element is grounded, and another end of the second coupling element is connected to the non-radiating resonant circuit. A frequency characteristic of a return loss of the radiating element when seen from the feeder circuit is adjusted by a resonant frequency characteristic of the non-radiating resonant circuit.

Abstract: An antenna system for a portable communication device, includes a plurality of antennas configured for at least mmWave-based cellular communication, and are distributed at a plurality of different locations in the portable communication device. Each antenna of the plurality of antennas has a first polarization and a second polarization. The plurality of antennas comprises a plurality of different types of antennas. A first type of antenna of the plurality of different types of antennas is configured to switch between reception of a first radio frequency (RF) signal in a mmWave frequency and transmission of a second RF signal in the mmWave frequency in the first polarization, and concurrently with the reception or the transmission in the first polarization, only receive RF signals in the mmWave frequency in the second polarization that is orthogonal to the first polarization.