1110results about "Resonant antennas" patented technology

Antenna elements and electronic devices are provided, including an antenna element includes a first radiator, a second radiator, and a radiator array. The first radiator is connected to a ground plane through a grounding component, the second radiator is spaced from the ground plane and disposed opposite to the ground plane, and the second radiator and the first radiator are spaced apart. The radiator array is spaced from the first radiator and disposed opposite to the first radiator, and is located on a side that is of the first radiator and that is further from the ground plane. The radiator array includes at least two sub-radiators, and the at least two sub-radiators are spaced from each other in an extension direction of a plane on which the radiator array is located. The first radiator includes a first hollow region, and the radiator array includes a second hollow region.

An antenna module is configured to receive a signal from a baseband circuit and to radiate a radio wave. The antenna module includes a dielectric substrate, radiating elements, and a connector. The dielectric substrate includes planar sections having different normal directions. A first radiating element is disposed in or on the planar section. A second radiating element is disposed in or on the planar section. The antenna module is configured to transfer a radio-frequency signal to a third radiating element, which is externally disposed, via the connector. The size of the second radiating element is smaller than that of the third radiating element.

Provided in the present disclosure are a patch antenna, an antenna array and a communication device. The patch antenna comprises: a feed circuit, a slotted ground plane, and a first patch layer, a second patch layer and a third patch layer, which are sequentially stacked in the direction of the slotted ground plane facing away from the feed circuit and are spaced apart from each other, wherein the feed circuit comprises two feed ports and an open-loop annular feed portion connecting the two feed ports; the slotted ground plane is located on one side of the feed circuit; the slotted ground plane is provided with a plurality of slots; the slotted ground plane is spaced apart from the feed circuit; the orthographic projections of the slots on the feed circuit at least partially overlap the open-loop annular feed portion; and the first patch layer comprises a first patch, the second patch layer comprises a second patch, and the third patch layer comprises a first annular patch. The simplification of the structure of a polarization switchable antenna, the reduction of the return loss and the increase of the signal gain and impedance bandwidth are facilitated.

An antenna apparatus includes a multi-layer printed circuit board, an antenna, and a floating patch group. The multi-layer printed circuit board includes a first metal layer, a first dielectric layer, a second metal layer, a second dielectric layer, and a third metal layer. The antenna is formed from at least one of the first metal layer, the second metal layer, and the third metal layer. The floating patch group is located in the multi-layer printed circuit board and includes a plurality of floating patches. The floating patch has a width. There is a gap between the floating patch and an adjacent floating patch. The floating patches have the same or similar width and the same or similar gap. The floating patch group is arranged in a metal layer where the antenna is located. There is a spacing between the floating patch group and the antenna.

An antenna assembly includes a stack and an antenna structure. The stack includes at least one electrically conductive layer structure and at least one electrically insulating layer structure, and a component, at least partially embedded in the stack. At least a portion of the electrically conductive layer structure is provided at the external side of the stack and is configured to act at least as part of an electromagnetic wave coupling structure. The component is coupled to the electromagnetic wave coupling structure. The antenna structure provides an opening to a channel. The stack and the antenna structure are connected so that the electromagnetic wave coupling structure and the opening to the channel face each other.

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, an electronic device, and a wireless network system are provided, and relate to the field of antenna technologies. A patch antenna array includes four patch antennas. The four patch antennas are arranged in two rows and two columns. One of the feeding structures is included between two of the patch antennas in each row. One of the feeding structures is included between two of the patch antennas in each column. The feeding structure located between the two patch antennas in each column is connected to the first feeding port, so that the four patch antennas all generate polarization in a first direction. The feeding structure located between the two patch antennas in each row is connected to the second feeding port, so that the four patch antennas all generate polarization in a second direction.

The embodiment of the invention provides a dual-frequency base station antenna, and belongs to the technical field of antenna equipment, the dual-frequency base station antenna comprises a grounding plate, two dielectric substrates are laminated on the grounding plate, each dielectric substrate is correspondingly provided with a radiation unit, and the radiation signal frequency bands of the two radiation units are different; the radiation unit comprises a radiation patch and a metal through hole array which are arranged on the dielectric substrate, the radiation patch is a fan-shaped patch, the metal through hole array is arranged around the arc-shaped edge of the radiation patch, and the metal through hole array, the grounding plate, the dielectric substrate and the radiation patch jointly form a substrate integrated waveguide resonant cavity; the substrate integrated waveguide resonant cavity is configured to couple and excite the radiation patch after being externally excited so as to radiate a signal of a preset frequency band through the radiation patch. The dual-frequency base station antenna provided by the embodiment of the invention has excellent pilot frequency isolation performance, and can realize bandwidth expansion and radiation optimization effects.

The application discloses an antenna device and an antenna system. The antenna device is an antenna array composed of multiple microstrip antenna units. Each microstrip antenna unit comprises a dielectric substrate, a radiation patch, a metal back plate, a feed probe and a shorting post. The radiation patch is located on the upper surface of the dielectric substrate, the metal back plate is located on the lower surface of the dielectric substrate, the feed probe penetrates the dielectric substrate to connect one end of the radiation patch with the metal back plate, and the shorting post penetrates the dielectric substrate to connect the other end of the radiation patch with the metal back plate. By configuring the shorting post on the radiation patch and simultaneously exciting the first-order mode and the second-order mode, the radiation power of the microstrip antenna unit in a preset area can be suppressed to generate a radiation zero point, so that the signal radiated by the microstrip antenna unit has asymmetry, and the asymmetry of the antenna array is realized. The antenna system composed of the antenna array can realize the coupling suppression of the transmitting and receiving arrays of the antenna system, and further improve the isolation of the transmitting and receiving arrays.

A filter module is disclosed. The filter module includes a first ground layer, a second ground layer disposed so as to be spaced apart from the first ground layer, a first conductive pattern layer disposed between the first ground layer and the second ground layer, a second conductive pattern layer disposed on one side of the first ground layer or the second ground layer, and a via interconnecting at least two of the first ground layer, the second ground layer, the first conductive pattern layer, and the second conductive pattern layer.

The invention discloses a broadband dual-circularly-polarized low-cost phased-array antenna array element, which comprises an antenna radiation structure and a slot feed structure which are arranged independently from each other, and is characterized in that the antenna radiation structure comprises a parasitic radiation layer, a first dielectric substrate, an excitation radiation layer and a second dielectric substrate which are arranged in a laminated manner; the slot feed structure comprises a slot layer, a third dielectric substrate, a strip-shaped transmission line and a fourth dielectric substrate; the antenna layer structure and the slot feed structure realize electromagnetic coupling transmission through the slot layer; a hollow symmetrical structure is arranged in the middle of the first dielectric substrate, and the hollow part is used as an air medium to reduce dielectric loss; the gap layer is provided with a multidirectional coupling gap structure; the strip-shaped transmission line is provided with at least two feed ports, and dual circularly polarized radiation is formed in the antenna layer structure through excitation of different feed ports. The antenna radiation layer has no metal through hole or blind hole, can be processed in a layered manner, has the advantages of low processing cost and high yield, and ensures impedance bandwidth while realizing dual circular polarization.

The invention provides a 1bit circular polarization reconfigurable transmission unit, which belongs to the field of low orbit satellite communication and comprises a radiation patch, a first dielectric substrate, a grounding plate, a second dielectric substrate, a biasing circuit, a third dielectric substrate and a receiving patch which are sequentially arranged from top to bottom, a single side of the radiation patch is slotted and is connected to a first capacitor disc in the center of the grounding plate through a metalized through hole in the center of the first dielectric substrate, an internal patch of the receiving patch is connected to a second capacitor disc through a metalized through hole in the center of the third dielectric substrate, and the second capacitor disc is located on the third dielectric substrate and is connected to the biasing circuit. The external patch of the receiving patch is connected to the biasing circuit through a metalized through hole, and the internal patch and the external patch are bridged through two PIN diodes with the same orientation; the invention further provides an array antenna. Metallized via holes are replaced by capacitor disc coupling, complexity and cost are greatly reduced, structural symmetry is broken through single-side slotting of the radiation patches, conversion efficiency of linearly polarized waves is improved during array forming, and circular polarization performance is improved.

A unit cell of an array antenna includes an integrated dilation and feed circuit and an associated radiator assembly. The integrated dilation and feed circuit includes an asymmetric dilation layer, an asymmetric combiner layer, a symmetric feed layer and a symmetric slot layer. Feed circuits on the feed layer are configured to couple radio frequency (RF) signals to / from a pair of orthogonally disposed slot elements symmetrically disposed on the slot layer of the integrated dilation-feed circuit. The slot layer couples signals to and from the radiator assembly. Such unit cell may be used to provide an array antenna including an active electronically scanned array (AESA) antenna.

The invention provides a liquid crystal phase shifter, an antenna device and an antenna system, and relates to the technical field of communication. The liquid crystal phase shifter comprises a first dielectric substrate, a grounding metal layer, a dielectric functional layer, a micro-strip signal line and a second dielectric substrate which are stacked in sequence, the grounding metal layer is provided with a plurality of groups of grid structures which are arranged at intervals, and each group of grid structure comprises a plurality of grids which are distributed at intervals; and the length direction of the micro-strip signal line is parallel to the arrangement direction of the plurality of groups of grid structures. In the embodiment of the invention, the defected ground structure is formed by the plurality of groups of grid structures on the grounding metal layer, so that a relatively wide microstrip signal line can be conveniently arranged, and a relatively thin dielectric functional layer can be arranged under the condition that the characteristic impedance of the liquid crystal phase shifter is ensured, so that the miniaturized liquid crystal phase shifter is realized; in addition, when phase shifting is carried out based on the liquid crystal phase shifter, the thinner dielectric functional layer is convenient for reducing loss and improving response speed, so that the phase shifting performance of the liquid crystal phase shifter is improved.

In accordance with disclosed embodiments, there is an antenna package using a ball attach array to connect an antenna and base substrates of the package. One example is an RF module package including an RF antenna package having a stack material in between a top and a bottom antenna layer to form multiple antenna plane surfaces, a base package having alternating patterned conductive and dielectric layers to form routing through the base package, and a bond between a bottom surface of the antenna package and to a top surface of the base package.

A circularly polarized antenna that includes a plurality of radiating elements configured in a rotationally symmetric pattern, and a feed network connected to the plurality of radiating elements. Each radiating element contains a patch element, and a shorting wall connected to the patch element and adapted to short the same. Unlike traditional sequential-phase feed, which simply relies on the physical length of the delay line to achieve phase progression, the reactance-loaded feed line strategically utilizes the equivalent capacitor and inductor to shift the phase. This method eliminates the reliance on the long delay lines and realizes stable phase differences over a wide bandwidth.

The present invention relates to the technical field of communications, and in particular provides an antenna assembly, which is intended to solve the problem of GNSS antennas in the prior art failing to increase the antenna bandwidth and improve the anti-interference capability while meeting the requirements of limited space. To this end, the antenna assembly of the present invention comprises: a circuit board; a radiation unit arranged on a top side of the circuit board and electrically connected to the circuit board; and a parasitic director, comprising a parasitic element and a directing element, the parasitic element being arranged around the radiation unit, the directing element being arranged on a top side of the radiation unit, and the parasitic element being electrically connected to the circuit board. By arranging the parasitic element around the radiation unit and by arranging the directing element on the top side of the radiation unit, the bandwidth of the antenna assembly is extended, so that in complex metal environments, the antenna assembly is less susceptible to frequency deviation, and the front-to-back ratio of the antenna is also improved, reducing the back radiation of the antenna assembly, thereby achieving the objective of improving the anti-interference capability of the antenna assembly while meeting the requirements of limited space.

The utility model relates to a missile-borne low-profile, miniaturized and low-frequency-division-ratio dual-frequency antenna, and belongs to the technical field of communication. The dual-frequency antenna comprises a metal bottom plate, an antenna housing fixed with the metal bottom plate, and a dielectric substrate fixed between the metal bottom plate and the antenna housing. Wherein the dielectric substrate comprises an upper-layer dielectric substrate and a lower-layer dielectric substrate which are bonded with each other; metal patches are loaded on the surfaces of the upper-layer dielectric substrate and the lower-layer dielectric substrate; the upper-layer dielectric substrate and the lower-layer dielectric substrate are electrically connected through a metal column located on the central axis of the dielectric substrate, and the lower-layer dielectric substrate and the metal bottom plate are electrically connected through a feed probe located on the central axis; and the metal patches on the surfaces of the upper-layer dielectric substrate and the lower-layer dielectric substrate are horizontally symmetrical along the central axis. According to the utility model, the dual-frequency antenna with low profile, small size and low frequency division ratio is realized, the frequency division ratio is low under the condition that the basic radiation efficiency is guaranteed, and two narrowband working frequency bands can be provided in the s wave band.

Technologies directed to antennas as sensors for touch and hover events are described. A wireless device can include a processing device with classification logic and a detection circuit located in a radio frequency (RF) path between a radio and an SPMT antenna. The wireless device can sample the analog voltage signal at a plurality of frequencies over a period of time to obtain digital data. The classification logic uses the digital data to classify one or more touch points caused by a presence of an object in proximity to the SPMT antenna over the period of time as a touch event or a gesture event. The processing device can perform an action in response to the touch event or gesture event.

An antenna structure, an electronic device, and a wireless network system are provided, and relate to the field of antenna technologies. A dielectric plate and a metal bottom plate of the antenna structure are spaced apart at a first preset distance. A first feeding port and a patch antenna array are located on a first surface of the dielectric plate, and a second feeding port is located on a second surface of the dielectric plate. The second surface is opposite the first surface. The patch antenna array includes four patch antennas. The four patch antennas are arranged in two rows and two columns. One of the feeding structures is included between two of the patch antennas in each row. One of the feeding structures is included between two of the patch antennas in each column. The feeding structure located between the two patch antennas in each column is connected to the first feeding port, so that the four patch antennas all generate polarization in a first direction. The feeding structure located between the two patch antennas in each row is connected to the second feeding port, so that the four patch antennas all generate polarization in a second direction. The first direction is orthogonal to the second direction. The antenna structure is simple in structure and has higher directional gain.

The invention discloses an electrically-controlled beam scanning leaky-wave antenna and communication equipment, belongs to the technical field of antennas, and is used for solving the problems that an existing antenna is complex in structure and the beam scanning angle is limited under a fixed frequency. The electrically controlled beam scanning leaky-wave antenna comprises a gap waveguide and a plurality of radiation units. The gap waveguide comprises a cover plate and a metal bottom plate which are oppositely arranged, and a ridge structure arranged on the upper surface of the metal bottom plate in the transmission direction of the electromagnetic waves, and the gap waveguide is used for transmitting the electromagnetic waves in a traveling wave mode; the plurality of radiation units are sequentially arranged on the cover plate along the extension direction of the ridge structure; each radiation unit comprises a radiation patch, two radiation slots and two electric control switches which are sequentially arranged from top to bottom, and the radiation slots and the electric control switches are distributed in a central symmetry manner relative to the radiation patch; and each electric control switch is used for controlling the working state of the corresponding radiation slot so as to regulate and control the radiation phase of the radiation unit and realize beam scanning.

An electronic device includes: a metal frame; a circuit board; and a near field communication (NFC) communication circuit on the circuit board; wherein the metal frame includes a conductive portion, a first connection portion formed from the conductive portion, a second connection portion formed from the conductive portion, and a ground portion formed from the conductive portion, wherein the ground portion is between the first connection portion and the second connection portion, wherein the first connection portion is electrically connected to the NFC communication circuit, wherein the second connection portion is electrically connected to the NFC communication circuit, and wherein a positive signal is fed to the first connection portion and a negative signal is fed to the second connection portion.

The invention discloses a wide-beam omnidirectional circularly polarized antenna and a radio communication system comprising the same, and belongs to the technical field of linear communication antennae, the wide-beam omnidirectional circularly polarized antenna comprises a feed connector, a printed board feed balun, a conical hollow substrate, a feed printed board and a radiation printed patch; by adopting the split type conical substrate which is composed of the feed printed board at the top and the conical hollow substrate, connection and conduction of the feed printed board and other structures are facilitated, and the process cost is reduced while the process credibility is enhanced; the feed form of the antenna is set to be printed board balun feed, the microstrip line extending according to a certain curvilinear equation is arranged on the copper layer of the printed board balun, and the printed board feed balun is connected and conducted with the spiral radiation printed patch through the feed printed board, so that the performance requirements of low axial ratio and high gain of the antenna can be ensured, and the antenna can be widely applied to the field of antenna devices. And the technical requirements of wide wave beams can be met.

An antenna module implemented as a multi-layered package includes: a printed circuit board (PCB) having a plurality of layers; a radio frequency integrated circuit (RFIC) disposed on a first surface among outermost surfaces of the PCB; a first array antenna disposed on a second surface, perpendicular to the first surface, among the outermost surfaces of the PCB; a second array antenna disposed on a third surface, perpendicular to the first and second surfaces, among the outermost surfaces of the PCB; and a third array antenna disposed on a fourth surface, perpendicular to the second and third surfaces, among the outermost surfaces of the PCB. First to third signal lines connected to the first to third array antennas form first to third coplanar waveguide structures in which first to third ground regions are formed, respectively.

The invention relates to a microstrip patch antenna based on an antipodal double-helix groove, which comprises the antipodal double-helix groove, a patch, a substrate, a grounding plate and a coaxial probe, and is characterized in that the substrate is mounted on the grounding plate, the patch is mounted on the substrate, the antipodal double-helix groove is formed in the patch, and the coaxial probe sequentially penetrates through the grounding plate, the substrate and the patch; the coaxial probe is used for feeding the patch, and a radio frequency electromagnetic field is generated between the patch and the grounding plate. According to the microstrip patch antenna, the antipodal double-spiral grooves are formed, the path length of current flowing through the patch is increased, the resonant frequency of the antenna is reduced to a large extent, meanwhile, the good radiation characteristic is kept, the antenna radiation efficiency is high, the directional diagram is regular, and the electrical size of the microstrip patch antenna is reduced while the high radiation efficiency is kept.

The invention relates to a millimeter wave frequency band ultra wide band packaging antenna unit and array, and belongs to the field of antennas. The antenna unit sequentially comprises a feeder line layer, a first dielectric substrate layer, a grounding plate, a first bonding layer, a second dielectric substrate layer, a first sub-patch layer, a first metal gate, a first parasitic patch layer, a second bonding layer, a third dielectric substrate layer, a second sub-patch layer, a second metal gate and a second parasitic patch layer from bottom to top. The design structure of the multi-layer stacked patch antenna is adopted, the two patches are stacked to achieve the ultra-wideband performance, the H-shaped gap is adopted for feeding, and the ultra-wideband performance can be achieved easily; the cutting angle design can widen the bandwidth and improve impedance matching on the premise that the structural complexity is not increased, a pair of parasitic patches are added around the stacked patches, and the problem of directional diagram distortion caused by shielding between the stacked structure patches is solved.

The invention discloses a patch antenna for W-band millimeter wave imaging. The patch antenna for W-band millimeter wave imaging comprises a dielectric substrate, a radiation patch, a feed line, a coplanar waveguide structure, a first parasitic patch and a second parasitic patch, the surface of one side of the dielectric substrate is provided with the radiation patch and the feed line, and the other side of the dielectric substrate is provided with the grounding plate. The feed line is connected with the radiation patch; the coplanar waveguide structure is arranged on the dielectric substrate and is coplanar with the feed line; the coplanar waveguide structure comprises a first ground plane, a second ground plane and a third ground plane, the first ground plane and the second ground plane are arranged on two sides of the feed line, and the third ground plane is arranged on one side of the radiation patch; the first parasitic patch and the second parasitic patch are arranged on the two sides of the radiation patch. According to the invention, the working bandwidth of the patch antenna is effectively improved, a stable gain curve in a working frequency band is realized, the generation of surface waves is inhibited, and the radiation efficiency is improved.

An antenna structure includes: an antenna board including a first surface and a second surface located that is opposite to the first surface; patch antenna elements arrayed on the first surface of the antenna board; a feeding electrode formed on the second surface of the antenna board and electrically connected to each of the patch antenna elements; a power supply control board that is disposed away from the second surface of the antenna board, extends in a direction intersecting the second surface of the antenna board, and includes a third surface and a fourth surface that is opposite to the third surface; and a connection member disposed on the second surface of the antenna board and on at least one of the third surface and the fourth surface of the power supply control board, the connection member electrically connecting the feeding electrode and the power supply control board.

An antenna element comprises a planar conductive reflector plate, a first planar substrate carrying a ground plane having a slot and a feed track crossing in the slot, a plurality of further planar substrates, each carrying a respective radiator patch having a shape that has the same proportions as each other radiator patch and a width which is different from each other radiator patch, and a planar non-conductive cover. The planar conductive reflector plate, the first planar substrate, the plurality of further planar substrates, and the planar non-conductive cover are disposed as successive parallel layers. The separation between successive radiator patches is less than 0.1 wavelengths at an operating frequency of the antenna element and a separation between the radiator patch closest to the planar non-conductive cover and the planar non-conductive cover is less than 0.25 wavelengths at an operating frequency of the antenna element.