574 results about "Feed point" patented technology

A device may include a mainboard including a grounding unit, a radio-frequency circuit, and a conductor, wherein an annular radiation slot is provided on the conductor. The device may include a feeding terminal having a first end connected to a feeding point of the conductor and a second end electrically connected to the radio-frequency circuit of the mainboard. The device may include a first inductor having a first end connected to a grounding point of the conductor and a second end electrically connected to the grounding unit of the mainboard. The device may include a first capacitor provided in the annular radiation slot and having two electrodes respectively connected to both ends of the annular radiation slot in a width direction of the annular radiation slot, located between the feeding terminal and the first inductor in a length direction of the annular radiation slot.

This application provides an electronic assembly and an electronic device. At least two antennas are formed on a metal frame of the electronic assembly, a circuit board and an electronic component are located on one side of the metal frame, and there is a gap between the metal frame and each of the circuit board and the electronic component. An orthographic projection of the electronic component on the metal frame covers a first antenna, a slit between the first antenna and a second antenna, and a part of the second antenna. One end of a first extension member is connected to one end of the first antenna which is close to the second antenna, the other end of the first extension member is electrically connected to a first feed point on the circuit board. The second antenna is electrically connected to a second feed point on the circuit board.

The invention relates to the technical field of communication control, and provides a total radiator antenna applied to a wearable device and the wearable device, the total radiator antenna comprises a metal frame radiator, a feeding point, a ground feeding point and a radio frequency front end module; the metal frame radiator has no physical breaking joint and is configured as a frame structure of the wearable device; the at least four feeding points are distributed along the circumferential direction of the metal frame radiator and respectively correspond to signal excitation of different frequencies; the at least four ground feeding points are distributed along the circumferential direction of the metal frame radiator and are alternately arranged with the feeding points, and each ground feeding point is selectively grounded through a switchable filter circuit; and the radio frequency front end module is connected with the feeding point through an antenna switch and is configured to control the cooperative working state of the feeding point and the ground feeding point so as to realize radiation and reception of multi-band signals. According to the invention, under the condition of breaking through the physical size limitation of wearable small-size equipment, the performance target of antenna radiation of different frequency bands can be realized.

An antenna structure includes a grounding element, a first, a second and a third radiation portion, a shorting radiation portion, a grounding radiation portion, a dielectric substrate, and a first conductive via element. The first radiation portion and the second radiation portion are coupled to a feeding point. The second radiation portion is coupled to the grounding element through the shorting radiation element. The third radiation portion is coupled to the grounding element. A first coupling gap is formed between the grounding radiation element and the grounding element. The dielectric substrate has a first surface and a second surface which are opposite to each other. The first radiation portion is disposed on the first surface. The third radiation portion is disposed on the second surface. The third radiation portion is coupled to the first radiation portion through the first conductive via element.

The invention discloses a Terahertz broadband high-gain Vivaldi antenna based on a CPW (Coherent Plane Waveguide) rotary slot line structure, and belongs to the field of Terahertz communication. The antenna adopts an integrated single-layer metal structure on the top layer of a dielectric substrate, and is divided into a radiation arm and a CPW rotating slot line balun along the axial direction. The inner side edge of the radiation arm is a smooth exponential change curve, and the middle exponential gradual change groove forms a broadband traveling wave radiation channel. Periodic grid choke grooves are loaded on the outer side edge so as to suppress edge surface waves and improve a directional diagram. The feed part adopts a CPW to slot line balun structure to realize conversion from an unbalanced mode to a balanced mode, and a fan-shaped radial branch knot is utilized to form a broadband virtual short circuit boundary at a feed point to ensure unidirectional efficient transmission of energy. In addition, a group of string-shaped director patches are arranged in the opening area of the exponential gradual change groove along the central axis, and the wave beam is guided through phase correction. The terahertz planar antenna effectively solves the problems of limited bandwidth and insufficient gain of the terahertz planar antenna, and has the characteristics of compact structure, easiness in integration, excellent radiation performance and the like.

An electronic device is provided. The electronic device includes a middle frame assembly and a conductor member electrically connected to the middle frame assembly. The middle frame assembly includes a metal middle frame and a border frame. The border frame is located on an outer periphery of the metal middle frame, and at least one border frame antenna is formed on the border frame. The metal middle frame and the conductor member are stacked, and a region on the metal middle frame corresponding to the conductor member and the conductor member define a radiation cavity. At least one feed point is configured to feed the border frame antenna and the radiation cavity. The at least one feed point excites the border frame antenna to generate a radiation current, and excites the radiation cavity to generate a radiation magnetic current, to form a circularly polarized antenna.

The invention discloses a broadband wide-angle scanning phased-array antenna unit and an antenna array, and belongs to the technical field of antennae, the broadband wide-angle scanning phased-array antenna unit comprises a first substrate layer, a second substrate layer, a first metal ground layer, a third substrate layer and a fourth substrate layer which are arranged in sequence; the first substrate layer, the second substrate layer, the first metal ground layer and the fourth substrate layer are respectively provided with a parasitic patch, an antenna radiator, a coupling gap and a strip-shaped feeder in a laying mode. And the strip-shaped feeder feeds through a feeding point on the back surface of the fourth substrate layer, feeds to the antenna radiator through the coupling gap, and finally feeds to the parasitic patch through coupling of the antenna radiator, so that electromagnetic signals are radiated outwards. According to the slot coupling feed structure, the impedance matching between the feed structure and the radiation structure is remarkably improved, and the antenna performance is greatly improved.

An antenna structure includes a feeding radiation element, a first radiation element, a second radiation element, an extension radiation element, and a dielectric substrate. The feeding radiation element has a feeding point. The first radiation element is coupled to a ground voltage. The first radiation element is adjacent to the feeding radiation element. The second radiation element is coupled to the ground voltage. The second radiation element is adjacent to the feeding radiation element. The extension radiation element is coupled to the first radiation element. The feeding radiation element and the second radiation element are at least partially surrounded by the first radiation element. The feeding radiation element, the first radiation element, the second radiation element, and the extension radiation element are all disposed on the dielectric substrate.

The embodiment of the invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a breakpoint-free metal frame, an antenna branch knot and a parasitic branch knot, the antenna branch and the parasitic branch are arranged on the base plane of the breakpoint-free metal frame; the antenna directions of the antenna branch knot and the parasitic branch knot are arranged towards a clearance zone in the breakpoint-free metal frame, and the joint of the parasitic branch knot and the base plane is arranged far away from the clearance zone relative to a feeding point on the antenna branch knot; wherein the antenna branch is used for covering medium-high frequency wave bands through a direct feed excitation mode, a mode of space coupling excitation of the breakpoint-free metal frame and a mode of space coupling excitation of the parasitic branch. The antenna assembly is used for achieving the balance effect of integrated design of multi-band efficient radiation and beauty in a limited space.

This application provides an antenna, antenna array, and communication device, aiming to construct more degrees of freedom and antenna ports within a limited antenna panel size. The antenna includes: four independent feed points; and four helical arms corresponding one-to-one with the four feed points, each helical arm connected to its corresponding feed point. The helical end of each helical arm can be connected to its corresponding feed point using an open-circuit stub structure, and / or, the end of each helical arm can be coupled to a parasitic patch, and / or, the spacing w between two adjacent helical arms satisfies: w ≤ λ / 10, where λ is the operating wavelength. This design provides four degrees of freedom and widens the antenna bandwidth. Within the limited antenna panel size, this is beneficial for improving system throughput.

The invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a radiator, a first feed source, a second feed source, a band-stop circuit and a band-pass circuit. The radiator comprises a first radiation branch knot, the first radiation branch knot comprises a first free end, a first feeding point, a second feeding point and a first grounding end which are arranged in sequence, and the first grounding end is grounded; the first feed source is electrically connected to the first feed point to excite the first radiation branch knot to support a first frequency band and a second frequency band, and the frequency of the second frequency band is smaller than that of the first frequency band; the second feed source is electrically connected to the second feed point to excite the first radiation branch knot to support a third frequency band, and the frequency of the third frequency band is smaller than that of the second frequency band; the band elimination circuit is connected between the first feed source and the first feeding point and is used for blocking a third frequency band; one end of the band-pass circuit is electrically connected to the second feeding point, the other end of the band-pass circuit is grounded, and the band-pass circuit is used for passing through at least one of the first frequency band and the second frequency band.

This electronic device comprises: a wireless communication circuit; a distribution circuit connected to the wireless communication circuit; a frame defining at least a portion of a side surface of the electronic device, wherein the frame includes a conductive portion having a first feed point and a second feed point electrically connected to the distribution circuit; and a phase shifting circuit for connecting the distribution circuit to the first feed point of the conductive portion. The conductive portion includes a first portion between the first feed point and the second feed point, a second portion between the first feed point and one end of the conductive portion, the first feed point being distinguished from a ground of the electronic device, and a third portion between the second feed point and the other end of the conductive portion, the second feed point being distinguished from the ground of the electronic device. The conductive portion is configured to function as a radiator of an antenna through the first portion of the conductive portion, the second portion of the conductive portion, and the third portion of the conductive portion.

The application provides a switchable circular polarization antenna and a communication device. The switchable circular polarization antenna comprises a PCB board and three branches. A top layer of the PCB board is provided with a feed point and a reference ground plane. The three branches comprise a feed branch, a first ground branch and a second ground branch. The feed branch is connected to the feed point through a first end after being connected with a first tuning device in series, and a tail end of the feed branch is suspended. The top layer of the PCB board is further provided with a double-pole double-throw switch. The double-pole double-throw switch is controlled by a controller. A first fixed end of the double-pole double-throw switch is connected to the reference ground plane after being connected with a second tuning device in series. A second fixed end of the double-pole double-throw switch is connected to the reference ground plane after being connected with a third tuning device in series. A first end of the first ground branch is connected to a first moving end of the double-pole double-throw switch. A first end of the second ground branch is connected to a second moving end of the double-pole double-throw switch. Tail ends of the first ground branch and the second ground branch are suspended.

The embodiment of the present application provides a kind of intelligent glasses.The intelligent glasses include: first glasses frame;First glasses frame is provided with first break joint and second break joint, and first break joint and second break joint divide first glasses frame into first sub-frame and second sub-frame;First sub-frame is provided with first feed point, and first feed point is located at the center of first sub-frame, and first feed point is used to feed power into first sub-frame, so that first sub-frame forms radiator, second sub-frame forms reflector, and radiator is used to radiate signal, and reflector is used to reflect the signal of radiator, to enhance the signal radiated by radiator.

This application discloses an electronic device and a control method. The electronic device includes: a target antenna comprising a metal radiator and a feed point for acquiring radio frequency (RF) signals; a grounding structure connected to the target antenna via the feed point; and a switch connected to both the metal radiator and the grounding structure, the switch being located at the end of the metal radiator away from the feed point. Specifically, if the switch is in a first target state, the target antenna radiates the RF signals using a first edge of the grounding structure; if the switch is in a second target state, the target antenna radiates the RF signals using a second edge of the grounding structure.

The circularly polarized metasurface antenna comprises a metasurface layer, a first dielectric plate layer, a metal floor layer, a second dielectric plate layer and a feed network layer which are sequentially stacked from top to bottom, the metasurface layer comprises a plurality of mutually orthogonal metasurface subunits, each metasurface subunit comprises a plurality of metasurface structures arranged in an array period, and each metasurface structure is provided with a monopole radiation structure; the feed network layer is provided with a plurality of output feed points, and the number of the output feed points is the same as that of the metasurface structures. The output feeding points are connected with probes, and the probes sequentially penetrate through the second dielectric plate layer, the metal floor layer and the first dielectric plate layer until the probes are connected with the input feeding points of the corresponding radiation structures. According to the antenna, each layer adopts a covering laminated design, the structure is compact, the antenna has the characteristics of ultra-wideband circular polarization radiation, high gain and good cross polarization, the dual ultra-wideband characteristics of working and RCS reduction are realized, the RCS reduction bandwidth completely covers the working bandwidth, and effective invisibility in and out of the antenna band is achieved.

The invention discloses electronic equipment, and relates to the technical field of electronic products. The electronic equipment comprises a radiator, a passive parasitic antenna and a ground returning metal piece, the radiator comprises a ground returning area, the ground returning area divides the radiator into a first radiation section and a second radiation section, the first radiation section and the second radiation section are two different sections in the length direction of the radiator, the ground returning area is grounded through the ground returning metal piece, and the passive parasitic antenna is grounded through the ground returning metal piece. The first radiation section is a radiator of the first antenna, the first radiation section comprises a first feeding point, the first feeding point is a feeding point of the first antenna, the second radiation section is a radiator of the second antenna, the second radiation section comprises a second feeding point, and the second feeding point is a feeding point of the second antenna. The working frequency bands of the first antenna and the second antenna are the same, or the working frequency band of the first antenna and the working frequency band of the second antenna are two adjacent frequency bands; and one end of the passive parasitic antenna is connected with the grounding metal piece.

The invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a feed source, a first antenna radiator, a tuning circuit and a second antenna radiator. The first antenna radiator is provided with a first grounding point, a second grounding point, a feeding point and a first tail end which are sequentially arranged at intervals, the first grounding point and the second grounding point are grounded, and the tuning circuit is electrically connected between the feeding point and the feed source; the first antenna radiator generates a first resonance mode supporting a first frequency band and a second resonance mode supporting a second frequency band under excitation of the feed source, and the first frequency band and the second frequency band are located at medium-high frequency. The second antenna radiator is provided with a second tail end and a third grounding point which are arranged at an interval, a coupling gap is formed between the second tail end and the first tail end, the third grounding point is grounded, the second antenna radiator generates a third resonant mode supporting a third frequency band under excitation of the feed source, and the third frequency band is located at medium-high frequency. According to the antenna assembly and the electronic equipment provided by the invention, the bandwidth can be widened, and the cost is reduced.

The application provides a host with a photovoltaic power generation function and an aerosol generating device, the host is internally provided with a circuit board and a battery electrically connected with the circuit board, and the host further comprises: a conductive elastic needle arranged on the host, the conductive elastic needle comprises a positive elastic needle and a negative elastic needle which are electrically connected with the circuit board respectively; and a locking piece which is slidingly or rotatably arranged on the host, the locking piece comprises a solar panel arranged on the outer surface thereof, and a conductive feed point of the solar panel extends to the inner surface of the locking piece, the conductive feed point comprises a positive feed point and a negative feed point, and the locking piece is slidingly or rotatably arranged relative to the host, so that the conductive feed point is correspondingly connected with the conductive elastic needle or is dislocated and disconnected; when the conductive feed point is correspondingly connected with the conductive elastic needle, the positive feed point is connected with the positive elastic needle, and the negative feed point is connected with the negative elastic needle. In the application, when charging is inconvenient outdoors or indoors, solar energy can be converted into electric energy through the solar panel, so that the battery can be charged, and the use experience of the user is improved.

The present application relates to the technical field of virtual reality, and particularly relates to a wearable device and an antenna control method. The wearable device comprises a handle and a head-mounted display, the head-mounted display comprising a first antenna, the first antenna comprising a first feed point and a second feed point, the handle comprising a second antenna, and the second antenna comprising a third feed point and a fourth feed point, wherein a first target pattern is generated when the first antenna is fed via a first target feed point among the first feed point and the second feed point, a second target pattern is generated when the second antenna is fed via a second target feed point among the third feed point and the fourth feed point, and an antenna radiation range indicated by the first target pattern at least partially overlaps with an antenna radiation range indicated by the second target pattern. In this way, a pattern of the head-mounted display can be kept aligned with an antenna pattern of the handle, thereby maintaining good communication quality between the head-mounted display and the handle.

The invention provides a two-dimensional extensible sub-array based on a long and narrow circuit channel, and relates to the technical field of millimeter wave / terahertz frequency band phased array front-end, and the two-dimensional extensible sub-array comprises a plurality of two-channel sub-arrays; taking the two-channel sub-array as a standard sub-array module, and expanding the standard sub-array module to a target channel number step by step through cascading in a two-dimensional direction; the two-channel sub-array comprises a two-channel chip and a two-channel antenna sub-array; the two-channel chip comprises two circuit channels which are distributed side by side, and respective antenna ports, common ports and signal flow directions of the two circuit channels are opposite; each antenna unit in the two-channel antenna sub-array covers one side, close to the antenna port, of the corresponding circuit channel; wiring modes and lengths of interconnection lines between the two antenna ports and the corresponding antenna signal feed points are consistent; the width of the circuit channel does not exceed 0.25 lambda, and the length of the circuit channel does not exceed 1 lambda. Standard sub-arrays can be modularized, a large-scale two-dimensional extensible full array is supported, main hot spots are dispersed, and uniform heat dissipation is facilitated.

This utility model discloses an LTE antenna, relating to the field of antenna technology. It includes a circuit board (FPC); a radiating circuit formed on the front side of the circuit board through an etching process, comprising multiple frequency band resonant structures, including the LTE frequency band; a groove, the front portion of the circuit board excluding the frequency band resonant structures; a feed point, located on one end surface of the groove; a gap, located at the end of the circuit board near the feed point and extending to the middle of the circuit board; and an adhesive layer, located on the back side of the circuit board and covering the back side. The antenna is directly attached using the adhesive layer, eliminating the need for a traditional antenna bracket. Furthermore, the radiator's placement on the circuit board enhances the antenna's radiation directionality and improves radiation performance. The FPC substrate is ultra-thin and flexible, adapting to curved surfaces and significantly improving antenna integration efficiency and reliability. It is suitable for space-constrained scenarios such as IoT terminals and automotive devices.

The utility model provides a wireless earphone, comprising a housing, the housing comprises an upper housing and a lower housing, the upper housing and the lower housing are fixedly connected and define a cavity, and the upper housing is made of transparent glass; the main board is arranged in the cavity, and a feeding point and a grounding point are arranged on the main board; one end of the printed antenna is connected with the feeding point, the other end of the printed antenna is connected with a grounding point, and the printed antenna is printed on the upper shell. According to the wireless earphone provided by the utility model, the antenna can be arranged on the shell made of the glass material, so that the performance of the antenna is improved, and the efficiency of the antenna is improved.

An embodiment of the present specification discloses an antenna assembly of a terminal, comprising: a plurality of radiation units, each radiation unit comprising metal branches, the metal branches being spaced from each other and arranged in a ring shape to form a camera decoration; and a plurality of feed differential networks, each of the feed differential networks being corresponding to and electrically connected with one of the radiation units, and each of the feed differential networks being electrically connected with the same feed point.

An antenna combination system and a terminal device. The antenna combination system includes a first antenna and a second antenna having a distance less than a first preset threshold. The first antenna includes a first radiation branch and a first feed point, a feed point of the second antenna is arranged on a side away from the first feed point, and a side of the first radiation branch away from the first feed point is grounded. The first feed point is arranged on a side close to the second antenna, and the length of the first radiation branch is an odd multiple of (½)λ. In a case that the second antenna transmits a signal in a first frequency band, a first signal and a second signal that cancel each other are coupled from the second antenna to the first antenna.

This application provides an antenna assembly and an electronic device. The antenna assembly includes a radiator and a feed source. The radiator includes a main radiating stub and a parasitic radiating stub. The main radiating stub includes a first grounding point, a feed point, and a first open end arranged sequentially. The parasitic radiating stub includes a second open end, a second grounding point, and a third open end arranged sequentially. A coupling gap exists between the second open end and the first open end. The first grounding point and the second grounding point are used for grounding. The feed source is electrically connected to the feed point. The feed source is used to excite the radiator to form a first resonant mode supporting a first frequency band and a second resonant mode supporting a second frequency band. The center frequency of the second frequency band is greater than the center frequency of the first frequency band. Under the action of the second resonant mode, the first resonant mode forms a current in the same direction on the main radiating stub and the parasitic radiating stub. The second resonant mode can enhance the radiation aperture formed by the first resonant mode on the radiator and improve the working efficiency of the first frequency band.

The application discloses an antenna device and an electronic device, the antenna device comprising: a feed source and a first matching circuit; a first antenna comprising a first radiating branch and a second radiating branch; a feed point being arranged between a first end and a second end of the first radiating branch, the second end being provided with a first grounding point for grounding, one end of the first matching circuit being connected with the feed point and the other end being connected with the feed source, the first matching circuit being used for adjusting the matching impedance of the first radiating branch so that the first radiating branch generates a first resonant mode and a second resonant mode; the second radiating branch being used for generating a third resonant mode; the first resonant mode supporting a first frequency band, the second resonant mode supporting a second frequency band, and the third resonant mode supporting a third frequency band, the first frequency band and the second frequency band being lower than the third frequency band; the first resonant mode, the second resonant mode and the third resonant mode being respectively used for supporting signal transceiving of the first frequency band, the second frequency band and the third frequency band under excitation of the feed source.

The utility model relates to hearing equipment (2) with a radio communication device (20), the radio communication device is provided with an antenna (24) with two feeding points (26), and the feeding points are connected with a control unit (22). The antenna (24) has a first loop (28) extending between two feed points (26) and a second loop (30) extending between two feed points (26).

The invention provides an antenna assembly and electronic equipment, the antenna assembly comprises a first radiator and a first feed source system, the first radiator comprises a first radiation branch knot, a second radiation branch knot and a first equivalent resonance circuit, the first radiation branch knot comprises a first opening end, a first feed point, a connection point and a second opening end, the second radiation branch knot comprises a third opening end, a coupling section and a first grounding point, a first coupling gap is formed between the third opening end and the second opening end, and the first grounding point is grounded; one end of the first equivalent resonance circuit is connected with the connection point, and the other end of the first equivalent resonance circuit is electrically coupled with the coupling section; the first feed source system is used for exciting the first radiator to generate a first resonant mode supporting a first frequency band and generate a second resonant mode supporting a second frequency band; the resonant frequency of the first equivalent resonant circuit is smaller than the center frequency of the second frequency band and larger than the center frequency of the first frequency band, so that more frequency bands are supported through the same antenna radiator.

The application discloses a tunable antenna assembly, an antenna tuning method and a wearable device. The tunable antenna assembly comprises a substrate, an antenna body and a driving assembly. The substrate is provided with a signal feed point and a ground feed point. The antenna body is electrically connected with the signal feed point and the ground feed point. The driving assembly is drivingly connected with the substrate and / or the antenna body, and is used for driving the substrate and / or the antenna body to move, so as to adjust the relative position between the antenna body and the signal feed point and the ground feed point. The application drives the substrate and / or the antenna body to move through the driving assembly, adjusts the relative position between the antenna body and the signal feed point and the ground feed point, changes the resonance point of the antenna body, and then adjusts the working frequency band of the antenna body, so that the working frequency band of the antenna body is matched with the working frequency band of a base station. Through the adjustment of the relative position between the antenna body and the signal feed point and the ground feed point, the preset radiation efficiency can be achieved at different working frequency bands, the emission power of radio frequency signals is reduced, and the power consumption of an electronic device is reduced.