923 results about "Feed point" patented technology

According to one embodiment, an antenna device includes a waveguide including a feed point and a first region. The first region is around the feed point on a first plane crossing a first axis direction passing through the feed point. The waveguide includes a plurality of radiating portions provided in the first region. Each of the radiating portions includes a first slot extending along a first slot direction and a second slot extending along a second slot direction crossing the first slot direction. The radiating portions include first and second radiating portions. A first radiating portion direction from the feed point to the first radiating portion crosses the first axis direction. A second radiating portion direction from the feed point to the second radiating portion crosses the first axis direction and crosses the first radiating portion direction.

The dual-polarized antenna comprises a first dielectric substrate, a second dielectric substrate, a third dielectric substrate, a fourth dielectric substrate, a fifth dielectric substrate and a double-feed probe, the first dielectric substrate, the second dielectric substrate and the fifth dielectric substrate are stacked, one surface of the first dielectric substrate is provided with four centrosymmetric patch units, and the surface, close to the first dielectric substrate, of the second dielectric substrate is provided with a radiation patch coaxial with the patch units. A first I-shaped gap and a second I-shaped gap which are crossed, vertical and centrosymmetric are formed in the third dielectric substrate close to the second substrate surface, a plurality of first metalized via holes are formed in the periphery, and the gaps are coaxial with the patch unit; the fourth dielectric substrate is provided with a first T-shaped microstrip feeder line and a second T-shaped microstrip feeder line which are not in contact with each other, the periphery of the fourth dielectric substrate is provided with second metalized via holes which are in one-to-one correspondence with the first via holes, and the feeder lines are respectively corresponding to the I-shaped gaps; and the double-feed probe is respectively connected with the feed points of the first T-shaped microstrip feeder and the second T-shaped microstrip feeder through feed holes. By adopting the dual-polarized antenna, the port isolation and the wide-angle scanning range can be improved.

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.

An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, a filter circuit, a proximity sensor, and a tuning circuit. The ground element provides a ground voltage. The feeding radiation element has a feeding point. The first radiation element and the second radiation element are coupled to the feeding radiation element, or are disposed adjacent to the feeding radiation element. The first radiation element is also coupled through the shorting radiation element to the ground voltage. The third radiation element is disposed adjacent to the first radiation element. The third radiation element is coupled through the filter circuit to the proximity sensor. The filter circuit is also coupled through the tuning circuit to the ground voltage.

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

The invention provides an antenna system and terminal equipment, which can be applied to the technical field of communication. The antenna system comprises a metal frame and an equivalent filter circuit. At least one antenna area is arranged in the metal frame, a first antenna branch knot and a second antenna branch knot are arranged in the antenna area, and a coupling gap is formed between the first antenna branch knot and the second antenna branch knot; the first antenna branch knot is provided with a first feeding point, and the second antenna branch knot is provided with a second feeding point; the equivalent filter circuit is arranged at the coupling gap, the first end of the equivalent filter circuit is connected with the metal frame, and the second end of the equivalent filter circuit is grounded; the equivalent filter circuit comprises a first inductor and an adjustable capacitor module which are connected in parallel, and the adjustable capacitor module is configured to be capable of dynamically regulating and controlling the self capacitance value. According to the invention, the problem of mutual interference isolation of a breakpoint-free metal frame antenna in medium and high frequency bands is effectively solved, and meanwhile, low-frequency switching coverage of an antenna system can be realized, so that the problem of narrow low-frequency bandwidth of the antenna is solved.

The invention discloses a broadband miniaturized microstrip antenna applied to wireless terminal equipment, and the structure of the antenna comprises double layers of dielectric substrates, a coupling metal patch layer disposed on the upper surface of the first layer of first dielectric substrate, and a second layer of second dielectric substrate stacked on the first layer of first dielectric substrate. The radiation metal patch layer is arranged on the upper surface of the second dielectric substrate on the second layer and is etched with a U-shaped groove which is nested inside and outside, the grounding metal plate layer is arranged below the air layer on the first layer and is etched with an L-shaped groove, and a feed source point connected to the coupling metal patch layer is arranged on a grounding metal patch. The microstrip antenna provided by the invention is compact in structure and small in size, is easy to be integrated in a small wireless terminal device, can work in two working frequency bands of 2.45 GHz-2. 76 GHz and 3.22 GHz-4. 56 GHz at the same time, and can cover N41 / N77 / N78 and other core communication frequency bands in 5G Sub-6.

The invention provides an antenna assembly and electronic equipment. The antenna assembly is applied to the electronic equipment, the electronic equipment comprises a middle frame and a mainboard, and the antenna assembly comprises a feeding point, a first ground feeding point, a second ground feeding point and a radiator; the radiator comprises a first sub-radiator and a second sub-radiator, and the first sub-radiator and the second sub-radiator comprise a common branch knot; the first sub-radiator is connected between the feeding point and the first ground feeding point to form a first radiation loop; the second sub-radiator is connected between the feeding point and the second ground feeding point to form a second radiation loop; the first radiation loop is used for transmitting or receiving a signal of an intermediate frequency band, and the second radiation loop is used for transmitting or receiving a signal of a low frequency band and / or a high frequency band. Therefore, the antenna assembly has good antenna efficiency in a small clearance space.

The invention provides a defected ground-based broadband high-isolation MIMO (Multiple Input Multiple Output) mobile phone antenna. Each face-to-face inverted-F antenna pair is connected with an inverted-L branch knot; lumped capacitors are arranged at the joints of the radiation arms and the vertical lines where the feeding points are located; 2N linear slots are formed in the feeding points of the N dual-port antenna pairs on the edge of the metal ground; a T-shaped gap is formed in the middle position of the two antennas of each dual-port antenna pair; an antenna pair gap is formed between the two dual-port antenna pairs on the same side; the feed branch knot is printed in the linear slot, and the tail end of the feed branch knot is provided with a lumped capacitor. According to the invention, the distribution of floor current is changed through the T-shaped gap, and the decoupling characteristic of the MIMO mobile phone antenna is realized. By loading the inverted L branches on the inverted F antenna, introducing the coplanar waveguide structure and loading the lumped capacitor, the working bandwidth of the MIMO mobile phone antenna is effectively widened.

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.

A circularly polarized antenna is provided, including a main board; an annular radiator provided with an access portion; a feeding terminal, one end of the feeding terminal is electrically connected to the radiator at a feeding point, and the other end of the feeding terminal is electrically connected to the main board; a frequency tunning component which is configured to adjust a frequency of the communication frequency band of the circularly polarized antenna, and is electrically connected to the radiator at the access portion. A first connecting line is a line connecting the feeding point and a center point of the annular radiator, a second connecting line is a line connecting the access portion and the center point of the radiator, and the first connecting line and a second connecting line form a first included angle α along a counterclockwise circumferential direction of the radiator, where, α∈(80°, 100°)∪(170°, 190°)∪(260°, 280°).

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 relates to the technical field of antennas, and provides an antenna, a communication method and terminal equipment, and the method comprises the steps: attaching a metal floor to a first surface of a dielectric substrate; the first excitation element and the second excitation element are respectively arranged on the first side and the second side of the metal floor, and the sizes of the two elements are related to a target frequency band; an inner conductor and an outer conductor of the first feed assembly are correspondingly connected with a first feed point of the first excitation element and the metal floor respectively; an inner conductor and an outer conductor of the second feed assembly are correspondingly connected with a second feed point of the second excitation element and the metal floor respectively; the first feed assembly is used for providing first excitation current for the first excitation element; the second feed assembly is used for providing a second excitation current for the second excitation element; the first excitation current and the second excitation current with different phase differences can present different current distributions on the metal floor, so that the purpose of antenna radiation beam steering is achieved, the technical effect of wide beams is achieved, and thus space direction coverage on a target frequency band is achieved.

A vehicle includes a window with an antenna assembly. The window includes a glass surface, a metal frame, and a set of defroster wires. A top defroster wire and a top edge of the metal frame define an antenna region. The antenna assembly includes a slot antenna disposed within the antenna region. The slot antenna is disposed on a glass surface of the window in a visible region of the window with a top side located proximate a horizontal cover line of the metal frame. A feed point is located in a central area of the slot antenna, and a first slot and a second slot of the slot antenna intersect at the feed point. A feed line extends from the feed point through a separation gap between the metal frame and the glass surface to connect the slot antenna to a communication device.

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.

An antenna structure includes a first ground element, a second ground element, a first radiation element, a second radiation element, a third radiation element, a first capacitor, and a second capacitor. The first ground element includes a first edge segment, a first protruding segment, and a second protruding segment. The second ground element includes a second edge segment, a third protruding segment, and a fourth protruding segment. The first capacitor is coupled between the first protruding segment and the third protruding segment. The second capacitor is coupled between the second protruding segment and the fourth protruding segment. The first radiation element has a feeding point. The first radiation element is coupled through the second radiation element to the first edge segment.

A hybrid antenna structure includes a ground element, a main radiation element, a feeding radiation element, a shorting radiation element, an auxiliary radiation element, a proximity sensor, a dielectric substrate, an inductor, a first capacitor, a second capacitor, and a third capacitor. The main radiation element is coupled through the first capacitor to a first grounding point on the ground element. The feeding radiation element has a feeding point. The shorting radiation element is coupled to the main radiation element, and is coupled through the second capacitor to the feeding radiation element. The shorting radiation element is further coupled through the third capacitor to a second grounding point on the ground element. The auxiliary radiation element is coupled to the main radiation element. The auxiliary radiation element is adjacent to the feeding radiation element. The proximity sensor is coupled through the inductor to the main radiation element.

The invention provides electronic equipment, a radiator is arranged on a first side edge of a frame, and the radiator comprises a first grounding end, a feeding point and a first free end which are arranged in sequence; the signal source is electrically connected with the feeding point, the signal source is used for providing excitation signals of a satellite communication frequency band, the resonance structure is arranged on at least one of the side where the top edge is located, the side where the first side edge is located and the side where the second side edge is located, and the resonance structure comprises a second grounding end and a second free end; the direction of the first grounding end pointing to the first free end is the same as or does not intersect with the direction of the second grounding end pointing to the second free end; the signal source is used for exciting the radiator to form a first resonant mode supporting a first frequency band and exciting the reference floor to form a floor current, the resonant structure forms a second resonant mode supporting a second frequency band at least under excitation of the floor current, and the center frequency point of the first frequency band is greater than or equal to the center frequency point of the second frequency band. And good satellite communication is realized.

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.

The present application provides an electronic device. A first side edge of a bezel is opposite to and spaced apart from a second ground plane edge of a reference ground plane; a radiator is arranged on the first side edge of the bezel; the radiator is spaced apart from the reference ground plane along the second ground plane edge of the reference ground plane; the radiator comprises a first free end, a feed point, at least one grounding point, and a second free end; the grounding point is electrically connected to the reference ground plane; a signal source is electrically connected to the feed point; the signal source is used for exciting the radiator and the reference ground plane to jointly form a first resonance mode supporting a first frequency band; the first resonance mode comprises a 1 / 2 wavelength mode supporting the first frequency band and formed in a direction parallel to the top edge of the bezel on the reference ground plane; a main lobe of an antenna assembly in the first resonance mode is directed at least to the top edge side of the bezel. The performance of radiation towards the top edge of the electronic device is improved.

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 utility model discloses an interphone antenna with extremely low cost and high performance, which relates to the technical field of communication antennae, and comprises an antenna sleeve shell, a radiation body, an M4 bolt joint and an identification color ring. When the interphone antenna is used, firstly, the antenna sleeve shell of the interphone antenna is contacted with a feed point elastic sheet of an interphone; the M4 bolt joint of the antenna sleeve shell is inserted into the groove of the interphone, the antenna sleeve shell is screwed to enable the M4 bolt joint to be in complete contact with the groove of the interphone, and during normal use, the antenna sleeve shell is a shell part of the whole antenna, is used for protecting internal antenna elements, is usually made of plastic or metal materials, has waterproof, dustproof and anti-collision effects and the like, and is convenient to use. The radiation body is the core part of the antenna sleeve shell and is responsible for receiving and transmitting radio signals, and the identification color ring is used for distinguishing interphone antennas with different frequencies; by adopting low-cost materials and structural design, the production cost of the whole antenna is reduced.

The invention relates to an antenna assembly and electronic equipment, and the antenna assembly comprises a first radiator which comprises a first feeding point and a first grounding point disposed at a second end, and the first grounding point is connected to a reference ground end; the first feed source is used for providing a first excitation signal; the first matching circuit is respectively connected with the first feeding point, the first feed source and the reference ground end; a first excitation signal is fed into the first radiator through the first matching circuit to excite the first radiator to generate a first resonant mode supporting a first frequency band, a second resonant mode supporting a second frequency band and a third resonant mode supporting a third frequency band; wherein the first frequency band and the second frequency band are GPS frequency bands with different frequency ranges, the antenna assembly and the electronic equipment can realize GPS frequency band coverage and the third frequency band except the GPS frequency band based on a single radiator, the structure of the antenna assembly can be greatly simplified, and the overall size of the antenna assembly is reduced.

This application provides a foldable electronic device for the field of communication technology. The foldable electronic device includes an antenna, a hinge assembly, a first housing, and a second housing. At least one of the first and second housings is rotatably connected to the hinge assembly, and the angle between the first and second housings can be maintained at a preset angle. The first housing includes multiple frames, including a second frame and a third frame located at both ends of the hinge assembly, and a first frame connected to the ends of the second and third frames away from the hinge assembly. The antenna is located on one frame of the first housing and includes a main radiator and a feed point located on the main radiator. When the antenna is located on the first frame, the feed point is 1 / 8 to 3 / 8 of the antenna's operating wavelength from the edge of the ground facing the second or third frame. When the antenna is located on the second or third frame, the feed point is 1 / 8 to 3 / 8 of the antenna's operating wavelength from the hinge assembly. The foldable electronic device provided by this application enables satellite communication.

A circularly polarized antenna and a wearable electronic device are provided. The circularly polarized antenna includes a first arc-shaped radiator and a second arc-shaped radiator. The first arc-shaped radiator and the second arc-shaped radiator are arranged at an interval. The first arc-shaped radiator and the second arc-shaped radiator are located on a same circumference. One of the first arc-shaped radiator and the second arc-shaped radiator is provided with a first grounding point, the other one of the first arc-shaped radiator and the second arc-shaped radiator is provided with a feeding point, and the first arc-shaped radiator and the second arc-shaped radiator are configured to receive a first circularly-polarized signal.