233 results about "Antenna feed" patented technology

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.

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).

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 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.

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.

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.

The application provides an antenna feed control method and circuit, and belongs to the technical field of wireless communication. The method comprises the following steps: receiving a signal strength ratio and a first phase difference between received signals of two feed points of an antenna, wherein the two feed points respectively receive one vertical component of an external signal; determining a power distribution ratio and a second phase difference between transmitted signals of the two feed points according to the signal strength ratio and the first phase difference, wherein the power distribution ratio is the same as the signal strength ratio, and the first phase difference is opposite to the second phase difference; and controlling the transmission power of the two feed points according to the power distribution ratio and the transmission phase of the two feed points according to the second phase difference by using a feed network. The application decomposes the external signal into two vertical components, and dynamically controls the transmission signals of the two antenna units by using the feed network according to the analysis results of the two vertical components, so as to synthesize a signal matched with the external signal, and always keep the antenna polarization loss between the two devices at a minimum.

The invention discloses an antenna optimization method, system and device based on a QVE frequency band feed source network, and a medium, and relates to the technical field of antennas. The method comprises the following steps: acquiring a QVE frequency band illumination angle parameter and an edge illumination level parameter; calculating the standard radius of the circular waveguide and establishing a longitudinal groove geometric parameter constraint relation to obtain longitudinal groove differential geometric parameters; determining a first orthogonal support arm length deviation value and a broadside structure parameter of the first-stage turnstile structure by taking a preset phase difference angle of orthogonal polarization radio frequency signals of the first-stage turnstile structure as a target; constructing a dual circular polarization network and a stepped transition structure; constructing a power combiner and a Chebyshev impedance matcher; and integrating the differential longitudinal slot feed source, the dual-circular polarization network and the orthogonal mode converter to obtain a QVE frequency band feed source network, and performing antenna feed through the QVE frequency band feed source network. By implementing the technical scheme provided by the invention, the feed efficiency of the antenna system can be improved, so that the performance of the antenna system is enhanced.

The utility model discloses a direct insertion type radar sensor, which comprises a dielectric substrate, a transceiver chip, a bridge, a set square antenna, a feed port and a plurality of golden finger pins, a plugboard is arranged on one side of the dielectric substrate, the transceiver chip is arranged on the dielectric substrate, the bridge is arranged on the dielectric substrate and is electrically connected with the transceiver chip, and the feed port is arranged on the plugboard. The triangular plate antenna is installed in the dielectric substrate, a feed point is arranged on the triangular plate antenna, the feed port is arranged on the dielectric substrate and electrically connected with the transceiving chip and the feed point, and the plurality of golden finger pins are arranged on the upper surface and the lower surface of the plugboard and electrically connected with the transceiving chip. The triangular antenna is adopted as a signal transmitting and receiving antenna, and due to the structural characteristics of the triangular antenna, the direct-insertion type radar sensor is integrally of a long and thin structure and can easily extend out of a small hole formed in an applied illuminating lamp panel, so that the use performance is not influenced, and meanwhile, light rays of lamp beads on the lamp panel can be prevented from being shielded.

An antenna assembly may include: at least one transparent ply defining an outer perimeter; a transparent coating arranged on the transparent ply, the coating defining a peripheral edge arranged inwardly of the outer perimeter; at least one antenna feed layer arranged on the at least one transparent ply proximate to the peripheral edge and arranged a distance away from the transparent coating; and an unbalanced transmission line. The transparent ply, transparent coating, and antenna feed layer may be arranged in a window opening. The peripheral edge and an end of the window opening may define an antenna slot. The outer conductor and center conductor may be electrically connected to interfacing ends of the antenna slot. The at least one feed layer may be further arranged across the antenna slot from the end of the window opening.

The application relates to a wide-band circularly-polarized duplex feed network in the technical field of satellite communication, in particular to a wide-band circularly-polarized duplex feed network which comprises three layers of metal layers connected by screws, a first waveguide cavity and a second waveguide cavity formed in the inside, and horizontal polarization ports and vertical polarization ports arranged on the three layers of metal layers for entering electromagnetic waves; a low-frequency left-circularly-polarized port and a low-frequency right-circularly-polarized port are arranged on the first waveguide cavity for outputting low-frequency linearly-polarized signals; a high-frequency left-circularly-polarized port and a high-frequency right-circularly-polarized port are arranged on the second waveguide cavity for outputting high-frequency linearly-polarized signals; the application can realize the functions of simultaneous transmission and reception, time-sharing transmission and reception, and left and right circular polarization; when used for single circular polarization, the corresponding cross-polarization ports are connected with loads, and at this time, the application is used as a single-rotation-direction antenna feed source; when used for double circular polarization, all the ports are connected with corresponding radio frequency channels.

The application discloses a kind of based on double-ridge substrate integrated waveguide and microstrip monopole antenna feed structure multiplexing co-boresight antenna, including double-ridge substrate integrated waveguide, surface plasmon polariton structure, Vivaldi radiator, metal grid array and integrated coaxial feed port, antenna uses multilayer stacking structure, surface plasmon polariton structure works as monopole in microwave frequency band, and high frequency and metal grid array jointly constitute metasurface lens;Vivaldi radiator is fed by double-ridge substrate integrated waveguide, for high-frequency end emission radiation;Two frequency bands are excited in orthogonal mode by integrated coaxial port and waveguide port respectively.The application is suitable for 5G / 6G base station, satellite communication and the like system, and has the characteristics of wide bandwidth, high isolation and structure multiplexing under compact profile.

A miniaturized broadband transmitting antenna for shipborne ground-wave radar and its debugging method are disclosed, comprising a hollow plastic cylinder, a metal radiating column, several quarter-wavelength metal wires corresponding to different frequencies, a variable inductor composed of a spiral metal wire, and an insulating and corrosion-resistant outer shell. The metal radiating column is wrapped around the hollow plastic cylinder; each quarter-wavelength metal wire is bent into a specific shape and wrapped around the metal radiating column; the bottom ends of the wires are connected together and then connected in series with a variable inductor composed of a spiral metal wire; the other end of the inductor is connected to the antenna feed port; the insulating and corrosion-resistant outer shell is the outermost layer of the antenna. The debugging method includes: bending the quarter-wavelength metal wires; successively adding quarter-wavelength metal wires; and using the variable inductor of the spiral metal wire to achieve impedance matching. The antenna and matching network in this invention can be integrated, solving the miniaturization problem of ultra-wideband transmitting antennas for shipborne ground-wave radar and simplifying impedance matching, making it easier to meet the requirements of engineering practicality.

This invention provides a C / Ka dual-band multiplexed receiving system, including an antenna feed module, a radio frequency front-end module, a switching switch, a frequency conversion module, and a baseband processing module. The antenna feed module receives C-band and Ka-band radio frequency signals. The radio frequency front-end module includes a C-band radio frequency processing unit and a Ka-band radio frequency processing unit. The output of the switching switch is connected to the input of the frequency conversion module. The frequency conversion module performs frequency conversion on the C / Ka-band intermediate frequency signals output by the switching switch. The input and output of the frequency conversion module are connected to the input and output of the baseband processing module. This invention achieves miniaturized and highly reliable dual-band reception by down-converting Ka-band signals to C-band to reuse C-band links, modular redundancy backup, and a full-link self-test design.

An antenna may include an antenna main reflector having a shape defining a focal area, and a dual-function antenna structure at the focal area defining a first antenna feed at a first frequency and an antenna subreflector at a second frequency. The dual-function antenna structure may include a substrate and an array of antenna elements carried thereby. A second antenna feed is adjacent the antenna main reflector and operable at the second frequency to cooperate with the antenna subreflector and antenna main reflector.

The invention discloses an antenna module and electronic equipment, the antenna module comprises a first antenna, the first antenna comprises a first antenna radiation branch, a first tuning circuit and a first signal end, and the first signal end is connected with a first antenna feed point in the first antenna radiation branch through the first tuning circuit; the second antenna comprises a second antenna radiation branch and a second signal end, one end of the first antenna radiation branch and one end of the second antenna radiation branch are oppositely arranged, a first gap exists between the first antenna radiation branch and the second antenna radiation branch, and the second signal end is connected with a second antenna feed point in the second antenna radiation branch; wherein the first tuning circuit is used for at least one of the following items: the resonance of the first antenna radiation branch in a first frequency band is suppressed, and the current direction generated by the resonance of the first antenna radiation branch in the first frequency band is opposite to the current direction in the second antenna radiation branch; and triggering the first antenna radiation branch to induce the current in the same direction as the current in the second antenna radiation branch.

An antenna module is provided and includes a flexible circuit having a first antenna feed and a second antenna feed. The antenna module includes a ground plane. The antenna module includes a first antenna element coupled to the first antenna feed. The first antenna element includes a first ground short stub coupled to the ground plane. The first antenna element includes a first radiating element defining an omnidirectional radiation pattern. The first radiating element includes a first main segment extending along a first arcuate path. The antenna module includes a second antenna element coupled to the second antenna feed. The second antenna element includes a second ground short stub coupled to the ground plane. The second antenna element includes a second radiating element defining an omnidirectional radiation pattern. The second radiating element includes a second main segment extending along a second arcuate path oriented parallel to the first arcuate path. The first and second antenna elements have a transmission coefficient lower than −10 dB.

The utility model provides an antenna module and an electronic terminal device, the antenna module comprises a first radiation antenna, a second radiation antenna, a feed assembly, a grounding assembly and a substrate, the feed assembly and the grounding assembly are electrically connected with the first radiation antenna and the second radiation antenna; the first radiating antenna and the second radiating antenna are arranged on the substrate; the second radiation antenna is arranged around the first radiation antenna; the first radiation antenna comprises a first coil and a second coil, the first coil and the second coil are attached to the two faces of the substrate respectively, the first coil and the second coil are connected in series, and the second radiation antenna surrounds the first coil and / or the second coil. The antenna module provided by the utility model not only can simplify the overall circuit of the antenna and effectively improve the net space of the antenna, but also can effectively avoid the overall resistance of the antenna by changing the wiring connection of the coil, so that the first radiating antenna can obtain larger inductance under the condition of lower alternating-current resistance.

This application discloses an antenna device and an electronic device. The antenna device includes a first antenna assembly and a second antenna assembly. The first antenna assembly includes a first antenna, a first feed circuit electrically connected to the first antenna, and a tuning module connected to the first antenna. The tuning module, in cooperation with the first feed circuit, enables the first antenna to have a first operating frequency band and a second operating frequency band. The second antenna assembly includes a second antenna insulated from the first antenna and a second feed circuit connected to the second antenna. The second feed circuit enables the second antenna to have a third operating frequency band, which does not overlap with the first operating frequency band. When the first antenna operates in the second operating frequency band, it can gain the second antenna. This antenna device improves the radiation performance of the other antenna by gaining the other antenna with one antenna, thereby improving the communication performance of the electronic device.

This invention relates to the field of wireless communication technology, specifically to a broadband balanced antenna feeding method based on a common-mode inductor. This method addresses the shortcomings of traditional balanced antenna feeding technologies, such as insufficient broadband adaptability and poor common-mode interference suppression. It employs a common-mode inductor to convert the single-ended RF signal of the coaxial cable into a differential balanced signal. The method sequentially performs calculations of the single-ended signal input value, measurement of the differential signal amplitude and phase difference, antenna feeding matching degree calculation, detection of coaxial cable outer wall current, and isolation rate calculation. Then, it integrates core parameters to generate feeding parameter calibration coefficients, adjusting the feeding signal output to obtain a stable broadband feeding value. This broadband balanced antenna feeding method based on a common-mode inductor can stably achieve single-ended to differential signal conversion over a wide frequency band, calibrate signal imbalance in real time, effectively suppress outer wall common-mode current interference, improve antenna feeding matching degree, and is suitable for broadband wireless communication, RF detection, and other system applications.

The utility model discloses a double-frequency antenna structure applied to an intelligent watch with a metal watch bezel, which comprises the metal watch bezel, a plastic shell, a monopole antenna and a mainboard, and is characterized in that the plastic shell is positioned below the metal watch bezel and is in a ring frame shape; the monopole antenna is arranged on the inner wall of the plastic shell and is coupled with the metal bezel; and the main board is in feed connection with the monopole antenna. The dual-frequency antenna applied to the smart watch with the metal watch bezel is novel in structure, can meet the high-performance index requirement of a GPS / WiFi dual-frequency antenna, is in a monopole form, is simple in structure, can be produced through a laser etching technology, does not need to load an additional matching circuit at the feed end of the monopole antenna, and is convenient to use. The antenna performance loss is reduced while low cost and easy processing are ensured.