666 results about "Antenna feed" patented technology

An augmented reality (AR) or mixed reality (MR) eyewear display utilizes an antenna arrangement for eyewear that optimizes the performance of the antenna without sacrificing the functionality or modularity of the eyewear. In one implementation, the antenna arrangement includes a first conductor that functions as a ground for the antenna, a second conductor configured to help retain a lens, and an antenna feed configured to excite the second conductor, causing the second conductor to act as an antenna. The first and / or second conductor additionally acts as a lens retention feature by interfacing with a groove in a lens and the use of a locking clip that prevents the lens from becoming dislodged from the second conductor, thus enabling quick and easy installation or removal of the lens.

A portable or wearable electronic device can include a device housing defining an internal volume, and an electronic component disposed in the internal volume. The electronic component can be an input component and can have a component housing. The electronic device can also include an antenna feed assembly disposed in the internal volume. The antenna feed assembly can include a conductive grounding component electrically connected to the component housing and the device housing, and an antenna feed component electrically connected to the grounding component and disposed adjacent to the component housing. The conductive grounding component can surround a first major surface and a second major surface of the component housing.

A calibration system includes a beamformer lattice including at least a first beamformer, the first beamformer corresponding to a first subset of antenna cells of a plurality of antenna cells including a plurality of feed lines extending between the first beamformer and each of the first subset of antenna cells, and the first beamformer including a first calibration section for comparing a reference signal to a non-reference signal; and a first calibration line corresponding with the first beamformer, wherein the first calibration line is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a first antenna feed line for comparison with a first non-reference signal (Rx) in the first beamformer, and / or wherein the first calibration line is configured to deliver a second non-reference signal (Tx) from a second antenna feed line for comparison with a second reference signal (mRx) in the first beamformer.

Transport networks, network elements, and methods of use are described herein, including a transmitter comprising a client-side input, transmitter circuitry, and antennas. The client-side input is configured to receive baseband signals having client data encoded therein. The transmitter circuitry is configured to receive the baseband signals from the client-side input and generate antenna feed signals based on the baseband signals. The antennas are configured to receive the antenna feed signals from the transmitter circuitry, generate radiated signals based on the antenna feed signals, and couple the radiated signals into a hollow waveguide. Each of the radiated signals is a radiated electromagnetic wave configured for coherent detection and has a frequency in a range between 300 Gigahertz (GHz) and 10 Terahertz (THz).

Provided in the present application are a filter antenna, an antenna feed system, a base station and a communication system. The filter antenna in the present application comprises a radiating surface, a filter and a metal back cavity, wherein the radiating surface comprises a dielectric substrate, a feed network and a radiating structure, the feed network and the radiating structure being arranged on a surface of the dielectric substrate; the dielectric substrate covers the metal back cavity; the filter is accommodated in the metal back cavity; the feed network comprises a combination point and an adapter, the combination point and the adapter being connected by means of a conductive wire; the radiating structure comprises a feed patch, the adapter and the feed patch being connected by means of a conductive wire; and the filter comprises a probe, the probe being connected to the combination point. In the present application, a combination point is connected to a feed source by means of a filter, so that a feed network excites electromagnetic waves, and the electromagnetic waves are radiated by means of a feed patch. The filter antenna provided in the present application integrates a filter and a radiating surface, such that the filter antenna has a smaller size and lower loss, thereby helping to improve the integration level of an antenna feed system and thus realizing the miniaturization design of the antenna feed system.

A display device includes: a substrate; a first sensor electrode and a second sensor electrode disposed on the substrate; an antenna electrically separated from the first sensor electrode to transmit and receive radio frequency signals; and an antenna feed line electrically connected to the antenna pattern.

A vehicle includes a window with an antenna assembly. The window includes a glass surface and a metal frame along a perimeter of the glass surface. The antenna assembly is disposed on the glass surface and includes an antenna, a feed point and a ground plane. The antenna has a first end and a second end opposite the first end and is disposed in a visible region of the window. The feed point is located at the first end of the antenna. The ground plane is connected to the antenna at the first end. The metal frame is on top of at least part of the ground plane, and the ground plane is electrically coupled to the metal frame.

The invention provides an X-frequency-band portable integrated satellite ground station, which relates to the technical field of satellite measurement and control communication and comprises antenna feed equipment, X-frequency-band BUC equipment, downlink receiving channel equipment, a portable base band and station monitoring equipment. A parabolic antenna in the antenna servo equipment adopts eight assembled carbon fiber panels, a central upright post is provided with equipment such as a power supply, a time service positioning module and a servo controller, and a tripod is telescopic and detachable; the X-band BUC equipment and the downlink receiving channel equipment both adopt an integrated design; the portable base band has measurement and control and low-speed data transmission functions, and meanwhile, the whole machine is designed according to an outdoor type, so that the whole machine is more portable and light; the station monitoring equipment is high in automatic operation capability, and tasks can be executed by one key. Therefore, the X-band portable integrated satellite ground station has the characteristics of low cost, multifunctional integrated design, small size, light weight, simplicity, easiness in use and the like, and can be applied to various application scenes such as emergency measurement and control, low-speed remote sensing receiving, satellite high-speed uploading and the like.

The disclosed system may include an antenna feed that has various electronic components. The system may also include a lens that has one or more layers, and an antenna embedded on at least a portion of the layers of the lens. The antenna may be electrically connected to at least one of the electronic components of the antenna feed. Various other apparatuses, wearable electronic devices, and methods of manufacturing are also disclosed.

The invention provides a Q / V frequency band large-scale satellite communication load channel optimization method, which comprises a forward input link and a backward output link, and is characterized in that the forward input link comprises a V frequency band multi-beam antenna feed source array, a plurality of input preselectors, a V frequency band low noise amplifier input switch ring and a V / Ka integrated receiver assembly which are connected in sequence; the output end of the V-band multi-beam antenna feed source array is connected with the input end of the V / Ka integrated receiver assembly through a waveguide. The reverse output link comprises a Ka / Q frequency converter, a Q-band channel filter, a Q-band traveling wave tube amplifier, a change-over switch, a Q-band output duplexer or filter and a Q-band feed beam which are connected in sequence, and the output end of the Ka / Q frequency converter is connected to the input end of the Q-band channel filter through a waveguide; and the output end of the Q-band channel filter is directly connected to the input end of the Q-band traveling wave tube amplifier through the waveguide. Therefore, the method is low in link loss, high in space utilization rate and high in feasibility.

The invention discloses a two-dimensional adjustable radar cross section enhanced surface. The enhanced surface is formed by adding a one-dimensional Van atta array of a phase shifter into a feeder line and copying the one-dimensional Van atta array on the other dimension. The one-dimensional Van atta array has a low profile, and under the condition that the incoming wave direction is known, electromagnetic waves are made to backtrack along the incoming wave direction by regulating and controlling the phase of a phase shifter in the array. The unit structure of the one-dimensional Van atta array is composed of an antenna and a phase shifter. The antenna is a slot-coupled feed microstrip antenna, the radiation patch is rectangular, the dielectric substrate is arranged below the radiation patch, the antenna grounding plane with a slot is arranged below the dielectric substrate, the slot is I-shaped, the second dielectric substrate is arranged, and the T-shaped antenna feed microstrip line is arranged below the second dielectric substrate. The antenna feed microstrip line is connected with the phase shifter, and the units of the array at equal intervals are connected in pairs through microstrip lines with the same length to form a one-dimensional Van atta array.

The invention provides an antenna, an antenna feed system and a base station, relates to the technical field of communication, and aims to provide an antenna capable of giving consideration to both beamforming capability and safety. The antenna comprises a first antenna array and a second antenna array, and the first antenna array and the second antenna array can rotate relatively. Therefore, according to the antenna provided by the invention, the beamforming capability and the safety can be considered by reducing the antenna surface area of the antenna under different wind power conditions.

The invention relates to the field of antennas, and particularly discloses a non-interfering frequency division antenna which comprises a reference ground. The microstrip antenna is horizontally arranged above the reference ground, the microstrip antenna comprises a low-frequency antenna oscillator and a high-frequency antenna oscillator, and the low-frequency antenna oscillator and the high-frequency antenna oscillator are arranged in a laminated structure; the frequency division module is arranged between the microstrip antenna and the reference ground; the control switch is arranged between the reference ground and the microstrip antenna; and one end of the top of the reference ground is provided with an antenna feeding point which is electrically connected with the reflective filter and is used for receiving and transmitting signals. According to the non-interfering frequency division antenna, the microstrip antenna is composed of the low-frequency antenna oscillator and the high-frequency antenna oscillator, effective work of the antenna in a wide frequency band is achieved in combination with the frequency division module, mutual influence between frequencies is reduced, the microstrip antenna adopts a laminated structure design, the antenna area is effectively reduced, and the space utilization rate is improved.

The invention discloses an unmanned aerial vehicle ground penetrating radar clutter suppression method and a transceiving array device, and belongs to the technical field of ground penetrating radars. The device comprises a single receiving antenna, multiple groups of transmitting antennas and a signal source, all the antennas are homogeneous, all antenna ports are located at the same horizontal height, and the signal source can provide two paths of excitation signals with the same frequency, the same amplitude and the opposite phase for the transmitting antennas at the same time; each group of transmitting and receiving antennas comprises two transmitting antennas and a receiving antenna located at the midpoint of a connecting line of feeding points of the two transmitting antennas, and feeding ports of the transmitting and receiving antennas are located on the same straight line. The receiving antenna is installed on the telescopic rotary table, the axial rotation direction of the receiving antenna can be achieved by adjusting the telescopic rotary table, and it is ensured that when multiple sets of transmitting antennas share the same receiving antenna, the polarization directions of the transmitting antennas and the receiving antennas are consistent. The clutter suppression method of the underground target echo signal is realized based on the device. According to the invention, the problem that underground target echo signals are easily submerged in strong clutters and are difficult to effectively extract is solved.

An antenna arrangement comprises a dielectric substrate with a first surface and second surface extending between a first edge and second edge of the substrate. A conductive pattern is arranged on the first surface that forms first, second, and third antenna elements. The first antenna element is arranged in the vicinity of the first edge and connected to a first antenna feed. The second antenna element is arranged in the vicinity of the second edge and connected to a second antenna feed. The third antenna element is arranged between the first and second antenna elements and connected to a third antenna feed. An intermediate element, at least partly functioning as a ground layer, is arranged between the first, second and third antenna elements. A non-conductive zone separates the first antenna element and the intermediate element. The second antenna element and the intermediate element are in conductive contact with each other.

The present application relates to the technical field of wireless communication networks, and discloses a communication device, a communication control method, an electronic device, and a readable medium. According to the communication device in the present application, an equalization circuit having a signal equalization function is added between a power amplifier and an antenna array of a base station antenna feed system. Among two power amplifiers, when one power amplifier is turned off, the equalization circuit can equally divide a signal sent by the other power amplifier that is not turned off into two paths, so that a port and an antenna unit of a feed network corresponding to the turned-off power amplifier can obtain the signal; thus, a mobile device in a cell served by the antenna unit corresponding to the turned-off power amplifier can communicate normally.

The embodiment of the invention provides a printed circuit board and electronic equipment. The printed circuit board comprises a board body and an antenna feed source, the plate body comprises a copper laying area and a clearance area, the clearance area is a hollow area in the copper laying area, and the copper laying area comprises a first area and a second area which are divided by the clearance area; the first region and the second region are connected or separated; the antenna feed source passes through the clearance area, one end is connected with the first area, and the other end is connected with the second area to form an antenna feed point. According to the embodiment of the invention, the copper laying area is divided into the first area and the second area through the clearance area, so that the first area and the second area become radiation oscillators of the antenna, the antenna body and the plate body are combined into a whole, an independent antenna is omitted, and the structural space of a product is reduced.

The invention relates to a missile-borne antenna and a missile-borne device. The missile-borne antenna comprises an antenna reflecting plate; each first antenna comprises a first dielectric layer, a first radiation patch and a first circuit board, the first dielectric layer is located on one side of the first circuit board, and the first radiation patch is located on the side, away from the first circuit board, of the first dielectric layer; the first radiation patch is used for receiving a first feed signal through the first antenna feed pin so as to transmit a first satellite positioning signal under the excitation of the first feed signal; the second antenna comprises at least one second radiation branch knot and a second circuit board, each second radiation branch knot is located on one side of the second circuit board, each second radiation branch knot is spiral, and the extending direction of each second radiation branch knot is perpendicular to the plane where the second circuit board is located; and the second radiation branch knot is used for receiving a second feed signal so as to transmit a second satellite positioning signal under the excitation of the second feed signal. The missile-borne device comprises the missile-borne antenna.

For example, an apparatus may include a polarized antenna including a dielectric layer including a plurality of antenna vias; a first metal layer on a first side of the dielectric layer, the first metal layer including a plurality of antenna elements connected to first ends of the plurality of antenna vias; and a second metal layer on a second side of the dielectric layer opposite to the first side of the dielectric layer, the second metal layer including an antenna feeding trace including a transformer portion and a splitter portion, the transformer portion connected to a second end of a first antenna via, the splitter portion including a first splitter arm connecting the transformer portion to a second end of a second antenna via, and a second splitter arm connecting the transformer portion to a second end of a third antenna via.

A electromagnetic wave test device includes: a reverberation chamber; a first antenna installed inside the chamber and radiating electromagnetic waves of a frequency lower than the chamber's first resonance frequency; a second antenna installed inside the chamber and radiating electromagnetic waves of a frequency equal to or higher than first resonance frequency; a power supply device connected between a grounding member and first antenna and feeding power to the first antenna; a dummy load connected between the grounding member and first antenna; a first power loss inhibiting unit having an impedance corresponding to an allowed value for power loss according to first antenna in a case wherein electromagnetic waves are radiated from the second antenna; and a switching unit including a first switching unit that switches a connection destination of first antenna to one of the dummy load and the first power loss inhibiting unit.

The disclosed system may include a frame, a printed circuit board (PCB) mounted to the frame, and at least one antenna electrically connected to the PCB via an antenna feed. The antenna may be shorter than a maximum specified length, and the antenna may be intended to operate within a specified frequency range for which the antenna's length is insufficiently long. Still further, in this system, electrical current flowing to the antenna may be routed to at least a portion of the frame to create a parasitic arm. As such, the parasitic arm may radiate in conjunction with the antenna, providing constructive interference in the specified frequency range. Various other mobile electronic devices, apparatuses, and methods of manufacturing are also disclosed.

Embodiments of present disclosure provide an antenna feed and an antenna comprising the antenna feed. In an aspect, the antenna feed comprises a body formed of a dielectric material and around a center axis. The body comprises a first surface portion with a first elliptical curve in radial cross-section. Slopes of tangents to the first elliptical curve are decreased gradually in a radially outward direction. The body also comprises a second surface portion axially opposite to the first surface portion and with a second elliptical curve or a plurality of linear segments in the radial cross-section. Slopes of tangents to the second elliptical curve or slopes of the plurality of linear segments are increased gradually in the radially outward direction. The embodiments of the present disclosure implement a high-performance antenna feed and antenna suitable for terahertz frequencies, especially the D-band.

The invention provides a cross coupling microstrip filtering oscillator antenna and an array thereof, and belongs to the field of large phased array radar systems.The cross coupling microstrip filtering oscillator antenna comprises an antenna feed port, a reflecting plate, a suspended cross coupling microstrip circuit board, a filter cover plate and metal oscillator arms, the filter cover plate is located on the upper surface of the reflecting plate, and a suspended air cavity is defined by the filter cover plate and the reflecting plate; the suspended cross-coupled microstrip circuit board is located in the suspended air cavity, an inner conductor of the antenna feed port extends into the suspended air cavity to be connected with the suspended cross-coupled microstrip circuit board, an outer conductor of the antenna feed port is connected with the reflecting plate, and the metal oscillator arm is located on the filter cover plate. One radiation arm in the metal oscillator arms is connected with the suspended cross-coupled microstrip circuit board, and the other radiation arm is grounded; the radiation characteristic is directly realized on the filter cover plate, and a wider working bandwidth is realized under the conditions that the lower sideband of the suspended broadband high-pass filter is high in suppression, the original filtering performance of the filter is not changed and the profile height is basically kept, so that the problem of interference of an auxiliary radar on a main radar is solved.

An antenna assembly includes a balanced antenna feed configured to receive a differential signal and a ground plane. The assembly further includes a first conductive dipole arm in planar alignment with a surface of the ground plane and a second conductive dipole arm in planar alignment with the surface of the ground plane and adjacent to the first conductive dipole arm. The assembly further includes a first feedline in electrical communication with the first conductive dipole arm and the balanced antenna feed and a second feedline in electrical communication with the second conductive dipole arm and the balanced antenna feed. The assembly further includes a conductive wall (“H-wall”) in electrical communication with the ground plane and having an end adjacent to, and physically separate from, the second conductive dipole arm. The H-wall has an axial length orthogonal to the ground plane.

An electronic device may have a phased antenna array. An antenna in the array may include a rectangular patch element with diagonal axes. The antenna may have first and second antenna feeds coupled to the patch element along the diagonal axes. The antenna may be rotated at a forty-five degree angle relative to other antennas in the array. The antenna may have one or two layers of parasitic elements overlapping the patch element. For example, the antenna may have a layer of coplanar parasitic patches separated by a gap. The antenna may also have an additional parasitic patch that is located farther from the patch element than the layer of coplanar parasitic patches. The additional parasitic patch may overlap the patch element and the gap in the coplanar parasitic patches. The antenna may exhibit a relatively small footprint and minimal mutual coupling with other antennas in the array.

The invention discloses a low-profile dual-circularly-polarized Ka-band phased-array antenna which mainly solves the problems that a traditional circularly-polarized phased-array antenna is high in profile, complex in structure and incapable of polarization multiplexing. The antenna feed structure and the metal patch structure are symmetrical, the left-hand and right-hand circular polarization feed ports are directly connected with the radiation patch to excite the patch to generate left-hand circular polarization and right-hand circular polarization respectively, regulation and control from single circular polarization to dual circular polarization are achieved, the left-hand and right-hand circular polarization feed ports are directly connected with the radiation patch, and the radiation patch is directly connected with the left-hand and right-hand circular polarization feed ports. The patches are excited to generate left-hand circular polarization and right-hand circular polarization respectively, other extra structures are not introduced, the antenna design process is simplified, and polarization multiplexing of the circularly polarized antenna is achieved. The antenna is composed of the two layers of dielectric plates, a complex middle feed network is omitted, and the antenna has the advantages of being simple in structure and low in profile.

The invention relates to the technical field of spaceborne antennas, and particularly discloses a spaceborne reflector antenna structure capable of realizing feed source expansion with high precision. Comprising a base, a reflecting surface installed on the base, an unfolding arm located above the base and rotationally matched with the base, a feed source installed at the end, away from the base, of the unfolding arm, and a first pressing and releasing device installed on the feed source and used for fixing the feed source and the base. The reflector antenna structure is compact in structure, high in reliability and capable of achieving feed source unfolding with high precision, position errors of the antenna feed source and the reflector can be effectively reduced, and it is ensured that indexes such as antenna beam pointing, shape and gain meet system requirements.

In some implementations, methods, systems, and apparatus, including machine-readable media storing executable instructions, are provided for switching radio frequency chains. For example, a gateway for a satellite communication system can include a first radiofrequency chain, a second radiofrequency chain, and a third radiofrequency chain configured to operate in a standby mode. The gateway includes radiofrequency switches configured to (i) switch between coupling the first radiofrequency chain and the third radiofrequency chain to a first antenna feed for the first channel, and (ii) switch between coupling the second radiofrequency chain and the third radiofrequency chain to a second antenna feed for the second channel. The gateway also includes a controller configured to monitor the status of the radiofrequency chains and, based on the monitored status, instruct the radiofrequency switches to switch between different connections of the radiofrequency chains with the antenna feeds.

Certain aspects of the present disclosure provide techniques for multi-stage impedance tuning for a radio frequency (RF) transmitter. An example apparatus includes RF circuitry comprising an amplifier, an impedance tuning circuit coupled to an output of the amplifier, and an antenna tuner coupled between an antenna feed and an output of the impedance tuning circuit. The apparatus further includes one or more memories and one or more processors coupled to the one or more memories. The one or more processors are configured to cause the apparatus to configure at least one parameter of the impedance tuning circuit or the amplifier based at least in part on at least one load characteristic at the antenna feed; and communicate one or more signals via the RF circuitry while the at least one parameter is configured based at least in part on the at least one load characteristic at the antenna feed.