403 results about "Antenna feed" patented technology

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 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.

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.

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.

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.

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.

The embodiment of the application provides an antenna system and an electronic device, wherein the antenna system comprises a first antenna and a second antenna, the first antenna comprises a first radiator and a second radiator, and the second antenna comprises a first radiator and a third radiator; two ends of the first radiator are electrically connected to a ground plane respectively, a first end of the second radiator and a first end of the third radiator are relatively far away from each other and are connected or coupled to the first radiator respectively, a second end of the second radiator and a second end of the third radiator are oppositely arranged and form a gap, the antenna system feeds the first antenna through a first feeding connection point on the second radiator and feeds the second antenna through a second feeding connection point on the third radiator, a brand-new antenna system is constructed, high isolation between the first antenna and the second antenna can be realized, and meanwhile, miniaturization of an antenna aperture and a low SAR value can be realized.

An electronic device may be provided with peripheral conductive housing structures, a rear wall, and a vent that includes a conductive cowling. The device may include an antenna having an antenna arm coupled to a positive antenna feed terminal and having a parasitic element. The parasitic element may be formed from a conductive trace that is layered onto the rear wall, that is indirectly fed by the antenna arm, and that overlaps a portion of the conductive cowling. The parasitic element may be shorted to a conductive bracket on the rear wall or may be separated from the bracket by a gap. If desired, the conductive cowling may form some or all of a parasitic element for the antenna. The conductive cowling may be indirectly fed by the conductive trace and / or may include an extension that is indirectly fed by the antenna arm.

The invention relates to an antenna feed structure, a multi-band independent electrically tunable antenna and an antenna assembly method, and the antenna feed structure comprises a common wall, two phase shift cavities and a feed panel. A plurality of sub-cavities are formed in the phase shift cavity, an avoiding groove is formed in one end of each sub-cavity in the second direction, and a phase shift circuit is arranged in each sub-cavity; the feed panel comprises a main body plate, protruding plates are arranged on the two sides of the main body plate in the first direction respectively, and two signal conducting layers are arranged on the side, back on to the common wall, of the main body plate at intervals; the surface of the side, facing the main body plate, of the common wall is lower than the surface of the end, provided with the receding grooves, of the phase shifting cavity, so that the protruding plates can stretch into the corresponding receding grooves, and the signal conductive layers are electrically connected with the feed circuits in the corresponding sub-cavities in the receding grooves. And each signal conducting layer comprises a combining conducting section, so that the filter circuits connected with the phase shift circuits in the plurality of sub-cavities are electrically connected with the corresponding combining conducting sections respectively. Therefore, the number of parts and welding spots is reduced, and the production efficiency can be improved.

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.

Network elements and methods of use, including a transmitter comprising a client-side input, signal and clock conditioning blocks, a modulation block, and antennas. The client-side input receives baseband signals having client data. The signal conditioning block adjusts signal characteristics of the baseband signals to generate intermediate signals. The clock conditioning block receives a first clock signal having a first clock frequency and adjusts signal characteristics of the first clock signal to generate a second clock signal having a harmonic frequency of the first clock frequency. The modulation block modulates the intermediate signals onto the second clock signal to generate antenna feed signals. The antennas generate radiated signals based on the antenna feed signals and couple the radiated signals into hollow waveguides. The radiated signals are radiated electromagnetic waves configured for coherent detection with a transmission frequency in a range between 300 Gigahertz (GHz) and 10 Terahertz (THz).

A wideband spiral antenna system for a vehicle is provided. A planar spiral antenna is fabricated on a substrate. The planar spiral antenna includes an antenna feed. A first dielectric panel is disposed adjacent to a first side of the substrate. A dielectric puck has a first puck side disposed adjacent to the antenna feed on a second side of the substrate opposing the first side of the substrate. A radio frequency (RF) connector is disposed adjacent to a second puck side of the dielectric puck. The second puck side opposes the first puck side of the dielectric puck. One or more conductive vias extend from the antenna feed through the dielectric puck to the RF connector electrically coupling the antenna feed to the RF connector.

Methods, systems, and apparatus for making and using a lens antenna fed by a phased array. In some implementations, a communication device includes an antenna system includes a lens antenna and a feed antenna. The lens antenna can be a gradient index lens having a substantially ellipsoidal shape, and having a plurality of layers that respectively have different dielectric constants. The feed antenna can include an array of antenna elements and can be spaced apart from the lens antenna. The communication device can include one or more processors configured to control excitation patterns for the antenna elements of the feed antenna to form beams directed at any of a range of spatial locations. The one or more processors can be configured to cause excitation patterns that concurrently excite multiple antenna elements of the feed antenna with different magnitudes and phase characteristics.

The application provides an antenna structure for a watch and a smart watch, and the technical scheme points of the application include the following: a shell is internally provided with a containing cavity; a mainboard is arranged in the containing cavity; a screen assembly is arranged in the containing cavity and is oppositely arranged with the mainboard; an antenna radiator is arranged in the containing cavity and is located on the side of the mainboard facing the screen assembly; an antenna feed point is arranged on the mainboard and is connected with the antenna radiator; wherein the antenna radiator, the mainboard and the screen assembly jointly form a resonant cavity structure; the application has the advantages of saving the internal space of the equipment and meeting the performance requirements of the antenna.

A radar level gauge system, for determining a filling level of a product in a tank, comprises a transceiver, an antenna assembly, and processing. The antenna assembly comprises a dielectric antenna body having a conical external surface facing an interior of the tank and an internal surface facing away from the interior of the tank, when the antenna assembly is arranged at the opening in the tank wall, and an antenna feed coupled to the transceiver, and configured to propagate the transmit signal towards the internal surface of the dielectric antenna body as electromagnetic waves with convex wavefronts. The internal surface of the dielectric antenna body is shaped to refract the transmit signal from the antenna feed in such a way that the transmit signal propagates towards the surface of the product in the tank as electromagnetic waves with substantially planar wavefronts, following passage through the dielectric antenna body.

The utility model discloses a 1710-2690 MHZ dual-polarized two-port omnidirectional antenna, and relates to the technical field of antennas for communication. The omnidirectional antenna comprises an antenna base, a waterproof connector is arranged on the antenna base, one ends of two coaxial cables penetrate through the antenna base and then enter an outer cover of the omnidirectional antenna, a supporting rod is arranged in the outer cover, the lower end of the supporting rod is fixedly connected with the antenna base, and the waterproof connector is arranged on the antenna base. Six dual-polarized oscillators are fixed on the supporting rod at intervals, two one-to-two power dividers and four one-to-three power dividers are fixed on the supporting rod, and the dual-polarized oscillators, the one-to-three power dividers and the one-to-two power dividers are connected through coaxial cables. The omnidirectional antenna can effectively utilize antenna feeder site resources, and is small in size and simple in structure.

A radio communication route enables communication from an originating ground station to a destination ground station via one of multiple randomly orbiting satellites with no active attitude control. The ground stations and satellites include multi-feed parabolic antennas for receiving radio signals from and transmitting radio signals in multiple directions. The satellites store an address of a destination ground station from which an initial information signal is transmitted and antenna information identifying the satellite antenna feed on which the initial information signal was received. Plural satellite antennas transmit linking information identifying the satellite to the originating ground station. Data transmissions received at the originating ground station that designate a particular destination are transmitted by the originating ground station using the antenna on which the linking information was received and the satellite retransmits the data transmission using the satellite antenna feed identified by the stored antenna information.

An electronic device may be provided with peripheral conductive housing structures, a rear wall, and a vent that includes a conductive cowling. The device may include an antenna having an antenna arm coupled to a positive antenna feed terminal and having a parasitic element. The parasitic element may be formed from a conductive trace that is layered onto the rear wall, that is indirectly fed by the antenna arm, and that overlaps a portion of the conductive cowling. The parasitic element may be shorted to a conductive bracket on the rear wall or may be separated from the bracket by a gap. If desired, the conductive cowling may form some or all of a parasitic element for the antenna. The conductive cowling may be indirectly fed by the conductive trace and / or may include an extension that is indirectly fed by the antenna arm.

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

A vehicle includes a window with an antenna assembly. The window comprises a glass surface and a metal frame along one perimeter of the glass surface. The antenna assembly is located 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 located in a visible area 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 located on at least part of the ground plane, and the ground plane is electrically coupled to the metal frame.

The utility model discloses a dual-output high-precision vehicle-mounted GNSS (Global Navigation Satellite System) antenna, and relates to the technical field of positioning antennas. The receiving unit comprises a first microstrip patch, a second microstrip patch, an L1 antenna feed network, an L2 antenna feed network, an L1 prefilter, an L2 prefilter, an L1 pre-amplifier, an L2 pre-amplifier, an L1 filter, an L2 filter, a pilot frequency combiner circuit, a final amplifier, a splitter, a power switching circuit, a first switch, a second switch, a first connector and a second connector. The first microstrip patch is arranged above the second microstrip patch, and the L1 antenna feed network and the L2 antenna feed network are connected to the second microstrip patch. The device can realize miniaturization, expand the impedance bandwidth of the antenna, realize the reception of multi-constellation satellites and low-elevation satellites of the antenna, and meet the requirements of a high-precision inertial navigation module on the antenna.

In some implementations, a satellite gateway includes a set of modulators comprising (i) a first modulator to modulate signals for transmission using a first of multiple polarizations, and (ii) a second modulator to modulate signals for transmission using a second of the multiple polarizations. The satellite gateway includes a set of upconverters comprising at least one upconverter for each of the multiple polarizations, wherein each of the upconverters is configured to generate a radiofrequency output by concurrently upconverting multiple intermediate frequency inputs to different frequency ranges. The satellite gateway includes an intermediate frequency distribution network configured to distribute the multiple intermediate frequency output signals from each of the modulators to the inputs of the upconverters. The satellite gateway includes a set of radiofrequency switches that are operable to selectively provide the radiofrequency outputs of the upconverters to antenna feeds for the multiple polarizations.

The present invention discloses a feed network system, belonging to the field of antenna feeding technology. It comprises four 2x2 rectangular arrays of equal-amplitude, 90° network sub-arrays and a power combining network composed of a four-in-one Wilkinson power combiner located at the bottom of the sub-arrays. The four arrays of equal-amplitude, 90° network sub-arrays achieve signal synthesis output through a cascaded four-in-one Wilkinson power combiner. The equal-amplitude, 90° network sub-arrays comprise a first metal ground plate, a first microwave substrate, a first metal signal line, a first prepreg, a second microwave substrate, a second metal ground plate, a second prepreg, a second metal signal line, a third microwave substrate, and a third metal ground plate, stacked sequentially from top to bottom. The microwave substrates are bonded together by prepregs, thereby achieving a feed network capable of connecting four feed points with right-handed equal-amplitude, 90° antenna signals. The present invention reduces the horizontal and lateral dimensions of the feed network, achieving miniaturization and high integration of the antenna array.

A wireless communication relay device includes a first transceiver and a second transceiver, each configured to operate over respective communication channels. The channels of the relay device may be configured for co-channel operation or adjacent channel operation. The relay is configured to operate according to a time division multiplexing schedule such that only one transceiver is active (receiving or transmitting) during a given time interval. During inactive intervals, antenna feeds corresponding to inactive transceivers are shunted to ground using controllable RF switches. This antenna feed shunting prevents inactive transceivers from receiving power emitted into the local RF environment, including power emitted by the active transceiver or reflected by surrounding surfaces.

The present application discloses a radio frequency drying system and method, a device, and a storage medium. The system comprises a power supply, a radio frequency source, and a radio frequency radiator. The power supply is configured to supply power to the radio frequency source, and the radio frequency source is configured to output to the radio frequency radiator an electromagnetic wave signal in a predetermined radio frequency band. The radio frequency radiator comprises at least two feeding assemblies. Each feeding assembly comprises a feeding port and a corresponding antenna. An input end of the feeding port is connected to the radio frequency source, and an output end of the feeding port is connected to the corresponding antenna. The antennas of the feeding assemblies are configured to generate a uniformly heated electromagnetic field. There is a gap between the antennas of the feeding assemblies, and the gap is configured for placing an object to be dried. The system has a simple overall structure, is easy to miniaturize, and is suitable for being configured to perform radio frequency drying operations on small consumer products, which is helpful for improving the drying effect, achieving uniform and reliable drying, and further improving the use experience of the consumer products. The present application can be widely applied in the technical field of electronic devices.

The invention provides a satellite antenna which comprises an antenna feed assembly, an orientation and inclination adjusting assembly and a pitch angle adjusting assembly, the antenna feed assembly comprises a reflecting cover and a feed source, and the pitch angle adjusting assembly comprises a middle support and a pitch motor module. The middle support is provided with a first supporting arm and a second supporting arm which are rotationally connected with the back face of the reflecting cover and arranged in a spaced mode, the pitching motor module is assembled on the first supporting arm, and the first supporting arm is provided with a first rotating hole which is coaxial with the second supporting arm which is provided with a second rotating hole. The pitching motor module can drive the reflecting cover to generate pitching rotation around the central axis of the first rotating hole and the central axis of the second rotating hole. According to the invention, the abrasion of the motor module can be reduced, the service life can be prolonged, and the jittering phenomenon of the antenna feed assembly in the pitching angle change process, especially in a low pitching angle interval, can be avoided, so that the satellite assembly can meet the precision requirement of a high-frequency-band satellite on a narrow beam angle of a ground station.

The present application provides an antenna feeding structure, antenna, and communication device. The feeding structure includes a first cavity having a first signal line and a second cavity having a second signal line. The first signal line includes a first main body and a first elastic bend located at one end of the first main body. The first main body extends along a first direction, the extension direction of the first elastic bend intersects the first direction, and the first elastic bend is capable of deforming in the extension direction of the first main body. A first opening is provided between the first cavity and the second cavity, the first cavity and the second cavity are interconnected through the first opening, the length of the first elastic bend in the second direction is greater than the length of the first cavity in the second direction, and the end of the first elastic bend away from the first main body passes through the first opening and is connected to the second signal line. The first elastic bend of the feeding structure of the present application extends into the first cavity in a compressed state, facilitating installation and saving space and reducing weight of the feeding structure.