284 results about "Antenna feed" patented technology

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.

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.

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.

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.

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.

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.

Transmitters, receivers, transceivers, transport networks, and methods of use are described herein, including a transmitter comprising a client-side input, transmitter circuitry, and antennas. The client-side input receives baseband signals having client data encoded therein. The transmitter circuitry receives the baseband signals from the client-side input and generates antenna feed signals based on the baseband signals. The antennas receive the antenna feed signals from the transmitter circuitry, 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 and having one or more frequencies in a range between 300 Gigahertz (GHz) and 10 Terahertz (THz). The antennas include one of a helical antenna, a waveguide probe antenna, a tapered antenna, a patch antenna, and a slot antenna.

The application discloses a detection system and a detection method. The detection system comprises a mainboard, a comprehensive tester and a first test head. The mainboard is provided with a radio frequency signal line. The radio frequency signal line is provided with a test end and an antenna feed point for connecting an antenna. The comprehensive tester is electrically connected with the test end on the radio frequency signal line on the mainboard, so as to realize the purpose of detecting the radio frequency signal transmitted on the radio frequency signal line. The first test head is provided with a first electrical connection end for electrical connection and a grounding end. The first electrical connection end is electrically connected with the antenna feed point on the radio frequency signal line on the mainboard. The grounding end is used for grounding, so that the radio frequency signal line between the test end and the antenna feed point is open. The detection system and the detection method can avoid the problem of material waste of the test seat and reduce the detection cost of the radio frequency signal.

The invention discloses a tri-polarized antenna. The tri-polarized antenna comprises substrate integrated waveguide circularly polarized antennas and a dual-linear polarized antenna feed structure, the dual-linear polarized antenna feed structure comprises a metal bottom plate, a first linear polarized feed structure and a second linear polarized feed structure, and the substrate integrated waveguide circularly polarized antennas are arranged above the metal bottom plate at intervals. The first linear polarization feed structure and the second linear polarization feed structure are orthogonal to each other and are located between the metal bottom plate and the substrate integrated waveguide circularly polarized antenna, and the substrate integrated waveguide circularly polarized antenna is electrically connected with the metal bottom plate. The tri-polarized antenna is compact in structure, low in overall height (profile), low in processing precision requirement, simple in preparation process, low in tolerance control requirement, low in cost and rejection rate, and capable of achieving a polarization grading effect when different polarizations are achieved in different frequency bands, and meets the requirements of communication technology for low profile and flattening.

The invention provides a non-electrically-connected antenna feed structure, which belongs to the technical field of antennas and comprises a metal substrate, an air cavity assembly arranged at the top end of the metal substrate, a transmitting end assembly arranged in the metal substrate and an L + T type medium regulation and control assembly arranged in a slot of the metal substrate, the transmitting end assembly comprises a transmitting end inner conductor, a transmitting end outer conductor arranged on the outer side of the transmitting end inner conductor and a transmitting end feed port arranged at the bottommost end of the transmitting end inner conductor; the L + T type medium regulation and control assembly comprises an L + T type tapered groove directly connected with the transmitting end assembly. According to the antenna feed structure, signal transmission is realized through electromagnetic coupling, physical contact loss is eliminated, the transmission efficiency of radio frequency signals is effectively improved, signal loss is reduced, and the advantages are particularly obvious during high-frequency-band transmission; the influence of environmental factors on the connection performance is reduced, the reliability and the stability of the feed structure are improved, and the maintenance cost and the fault risk are reduced.

The application provides a design method for a phased array antenna, which adopts a phase shifter preposition, a plurality of units form a subarray, and only one transceiving channel is connected to each subarray; the method comprises the following steps: step 1, antenna feed source design, step 2, antenna array design, step 3, beam control board design, step 4, beam search tracking algorithm design and the like; the design method for the phased array antenna adopts a phased electromagnetic surface antenna technology integrating the functions of 'phasing' and 'radiation', and avoids a high-power-consumption, high-cost phase-shifting network and a control circuit. The 5G electromagnetic surface phased array antenna breaks through the traditional mechanism design relying on an advanced electromagnetic field phased system and a unique mechanism, integrates the functions of an electromagnetic surface control, an FPGA control module and a beam search tracking algorithm, and is endowed with superior performances such as high gain, low delay, large bandwidth, long distance, anti-interference and mobility.

The invention relates to the technical field of wireless communication, and discloses an antenna assembly and electronic equipment, the antenna assembly is applied to the electronic equipment with a metal back cover, and the electronic equipment comprises a PCB mainboard; the antenna assembly includes: a portion of a metal back cover; the conductive connecting part is connected between the metal back cover and the PCB mainboard; wherein one part of the metal back cover, the PCB main board and the conductive connecting part are enclosed together to form a resonant cavity; an antenna feeding point is arranged in the resonant cavity body, and at least one surface of the resonant cavity body is provided with a gap opening used as a first electromagnetic radiation opening. The resonant cavity is formed by the metal back cover, the PCB main board and the conductive connecting part, and the slot opening for providing the radiation path is introduced into the cavity, so that the antenna can effectively work in the electronic equipment with the all-metal back plate, the performance difference between the electronic equipment and the traditional electronic equipment is reduced, and the user experience is enhanced.

A broadband 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 plate is disposed adjacent a first side of the substrate. A dielectric puck has a first puck side disposed adjacent the antenna feed on a second side of the substrate opposite the first side of the substrate. A radio frequency (RF) connector is disposed adjacent a second puck side of the dielectric puck. The second puck side is opposite 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 and electrically connect the antenna feed to the RF connector.

A package structure is provided that includes a planar core structure including a first side and a second side opposite the first side. The package structure also includes an antenna structure disposed on the first side of the planar core structure. The antenna structure includes a plurality of first stacks, each first stack including a first patterned conductive layer formed on a first insulating layer, an antenna formed on one or more first patterned conductive layers of the first stack, the antenna including at least one L-shaped structure. The package structure also includes an interface structure disposed on the second side of the planar core structure, and an antenna feed structure formed in the interface structure and the planar core structure and routed through the interface structure and the planar core structure, wherein the antenna feed structure is not connected to the planar antenna.

The invention provides a printed high-isolation multi-feed antenna. A multi-feed antenna apparatus includes a monopole antenna having an antenna portion, a first antenna extension having a first length extending from the antenna portion, a second antenna extension having a second length extending from the antenna portion, the second length being less than the first length; the slot antenna comprises a first slot with a third length and a second slot with a fourth length, and the fourth length is larger than the third length; a first antenna feeder coupled to the monopole antenna; a second antenna feeder coupled to the slot antenna; and a ground plane common to the monopole antenna and the slot antenna.

The embodiments of this specification disclose an electronic device comprising a first part and a second part. The first part and the second part can be folded relative to each other in a closed state and can be extended relative to each other in an open state. When the first part and the second part are in a closed state, the frame of the first part and the frame of the second part overlap partially or wholly. The first part includes a first feed antenna, a first feed circuit, and a first ground circuit, wherein the first feed circuit is connected to the first feed antenna and configured to feed the first feed antenna, and the first ground circuit includes the first feed antenna and is configured to allow the first feed antenna to be grounded. The second part includes a first parasitic antenna, and when the first part and the second part are in a closed state, the first parasitic antenna is not grounded and is coupled to the first feed antenna to generate a first excited resonant signal through excitation. This electronic device has relatively high antenna performance in a closed state.

The application discloses a broadband multi-mode orbital angular momentum array antenna and a design method thereof, and comprises the following steps: S1, determining the number of orbital angular momentum modes and the central frequency of target modulated electromagnetic waves according to application scene requirements; S2, designing a tightly-coupled array antenna array unit; S3, determining the number of tightly-coupled array antenna units according to the number of orbital angular momentum modes, adopting a circular array form to obtain a tightly-coupled array antenna; S4, designing an array antenna feed balun according to the wavelength of the central frequency; S5, designing a feed network according to the number of tightly-coupled array antenna units; and S6, assembling the tightly-coupled array antenna, the array antenna feed balun and the feed network to obtain an orbital angular momentum array antenna. The application can realize electromagnetic radiation of multi-mode orbital angular momentum in a super wideband frequency band.