2040results about "Resonant antennas" patented technology

An antenna unit includes a case having a base and a lid. An antenna assembly is located within the lid and is IP67 compliant, being waterproof. The antenna assembly can provide antennas located on one or more baseplates that are positioned within the top cover of the box. A baseplate can act as a heatsink, a reflector, and / or a ground plane, for the antennas while the cover is closed and in the locked position. The antennas have been designed and optimized to work on a baseplate and designed to operate with the thick plastic cover of the box. A plurality of antenna components are situated within the base separate from the antenna assembly. An optional barrier is located within the base to divide the antenna components from the lid. The antenna assembly include different types of antennas operable at least between 600 MHz to 39 GHz. The lid is separable from the base and is divided from other components to minimize interference so that all antennas may operate simultaneously while the lid is in a closed position.

An electronic device such as a laptop computer may have an upper housing and a lower housing. The lower housing may have a clutch barrel coupled to the upper housing by a hinge. The upper housing may be rotatable relative to the lower housing between an open position and a closed position. The upper housing may have a curved metal surface facing the clutch barrel. The device may have an antenna with a radiating arm on a curved interior surface of a substrate in the clutch barrel. The radiating arm may extend parallel to the curved metal surface. The radiating arm may remain separated from the curved metal surface across its lateral area as the upper housing is rotated from the open position to the closed position. This may ensure that the antenna is provided with a uniform capacitive load from the upper housing at all upper housing positions.

An antenna apparatus and an antenna system. The antenna apparatus is an antenna array composed of a plurality of micro-strip antenna units. Each micro-strip antenna unit comprises a dielectric substrate, a radiation patch, a metal base plate, a feed probe and a shorting pin, wherein the radiation patch is located on an upper surface of the dielectric substrate; the metal base plate is located on a lower surface of the dielectric substrate; the feed probe runs through the dielectric substrate to connect one end of the radiation patch to the metal base plate; and the shorting pin runs through the dielectric substrate to connect the other end of the radiation patch to the metal base plate. By configuring a shorting pin on a radiation patch and simultaneously exciting a first-order mode and a second-order mode, the radiation power of micro-strip antenna units in a preset region can be suppressed to generate a radiation null, such that signals radiated by the micro-strip antenna units can realize asymmetry, thereby realizing the asymmetry of an antenna array. By using an antenna system composed of the antenna array, the coupling suppression of a transceiving array of the antenna system can be realized, thereby improving the isolation degree of the transceiving array.

Backplane architectures for metasurface antennas and methods for driving amplifiers with the same are disclosed. In some embodiments, the metasurface antenna includes: a plurality of radio-frequency radiating antenna elements; a plurality of tuning elements coupled to the plurality of radio-frequency radiating antenna elements, wherein each tuning element of the plurality of tuning elements is associated with one antenna element of the plurality of antenna elements; a plurality of amplifiers coupled to the plurality of radio-frequency radiating antenna elements, wherein each amplifier of the plurality of amplifiers is associated with one antenna element of the plurality of antenna elements; and drive circuitry coupled to the plurality of antenna elements, the plurality of amplifiers and the plurality of tuning elements, configured to drive individually each of the plurality of antenna elements and the plurality of amplifiers.

The invention discloses a radiation-receiving type low-profile dual-beam array antenna and a folding decoupling design method. The low-profile dual-beam array antenna is composed of a transmission metasurface, a polarization conversion metasurface and a horn feed source. The transmission metasurface is formed by periodically extending and arranging m * m radiation-receiving units in a plane at equal intervals, and efficient transmission and spin decoupling focusing phase regulation and control of electromagnetic waves of a specific frequency band are achieved. The radiation-receiving unit is composed of three layers of metal and two layers of dielectric plates. The polarization conversion metasurface is formed by periodically extending and arranging n * n polarization conversion units in a plane at equal intervals, and efficient reflection, polarization conversion and wave beam non-mirror image deflection phase regulation and control of electromagnetic waves of a specific frequency band are achieved. The polarization conversion unit is composed of two layers of metal and a layer of dielectric plate. The low-profile dual-beam array antenna provided by the invention can generate two independently regulated orthogonal circularly polarized waves through spin decoupling under the excitation of a circularly polarized wave feed source, and has the remarkable advantages of high aperture efficiency, low profile and the like.

Radio frequency antenna designs for mobile devices are provided. An example patch antenna element includes an active element comprising a square metallic patch disposed on a first plane, a plurality of metallic patches disposed on a second plane that is above and parallel to the first plane, wherein each of the plurality of metallic patches are separated from one another in the second plane by a gap, and a plurality of via structures disposed between the first plane and the second plane, wherein each of the plurality of via structures is configured to electrically couple a respective one metallic patch of the plurality of metallic patches with the active element.

A broadband GNSS antenna has a broadband patch radiator with top slot excitation and a one-groove slotted vertical choke-ring structure around the patch radiator. The patch radiator includes a radiator ground plane, a slotted-fed radiation patch, a broadband feeding network, and a set of elements with vertical currents. The vertical choke-ring structure contains a top conducting surface with a set of slots, a bottom conducting surface and an adjacent vertical conducting cylinder.

The invention discloses a broadband low-coupling dual-polarization dielectric resonator antenna based on dual-mode resonance and differential feed. The broadband low-coupling dual-polarization dielectric resonator antenna comprises a dielectric resonator, two pairs of orthogonal coaxial probe pairs, a first Wilkinson power divider, a second Wilkinson power divider, a first feed port and a second feed port, the two pairs of orthogonal coaxial probes are both inserted into the dielectric resonator; each pair of coaxial probes is connected with two output ends of the corresponding Wilkinson power divider; the first feed port excites the pair of coaxial probes to feed the dielectric resonator through the first Wilkinson power divider, and excites a horizontal polarization radiation mode in the x-axis direction; a second feed port excites the other pair of coaxial probes to feed towards the dielectric resonator through a second Wilkinson power divider, and a horizontal polarization radiation mode in the y-axis direction is excited; according to the invention, a dual-polarization radiation mode which is compact in structure, broadband and low in coupling is realized, and each polarization further increases the bandwidth by exciting two resonance modes with close frequency points.

Antennae, controllers, and / or the like are provided. In some embodiments, an antenna may include a chassis; a plurality of printed circuit boards (PCBs) disposed on or within the chassis, a plurality of L-band antenna elements configured to transmit and receive data through satellite communication; a plurality of K / Ka-band antenna elements configured to transmit and / or receive data, wherein the plurality of L-band antenna elements and the plurality of K / Ka-band antenna arrays are disposed on the plurality of PCBs; and a controller disposed on the plurality of PCBs and configured to control the plurality of L-band antenna elements and the plurality of Ka-band antenna elements.

Millimeter wave (mmWave) technology, apparatuses, and methods that relate to transceivers, receivers, and antenna structures for wireless communications are described. The various aspects include co-located millimeter wave (mmWave) and near-field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication system with MIMO support and phase noise synchronization over a single coax cable, communicating RF signals over cable (RFoC) in a distributed phased array communication system, clock noise leakage reduction, IF-to-RF companion chip for backwards and forwards compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architecture, among others.

The present invention discloses a wide microstrip antenna array based antenna system for millimeter wave applications. The microstrip antenna array based antenna system of the present invention includes plurality of patch antennas and each of the patch antennas includes a U-slot of unequal arms. This patch antenna with the U-slot acts as the array element. The array elements are placed in a linear array at a distance of λ / 2 from each other on the antenna substrate to achieve desired scan performance. The microstrip corporate feed network with T-junction power divider is used. The antenna elements are fed by electromagnetic coupling with the feed network. The antenna array with dummy elements on both sides of the linear array together with an extra ground plane is used to achieve improved array performance with high main lobe gain and reduced side lobe.

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.

The invention relates to the technical field of antennas, in particular to a dual-frequency dual-polarization low-profile patch antenna. The dual-frequency dual-polarization low-profile patch antenna comprises a first dielectric substrate, a middle metal layer and a second dielectric substrate which are sequentially arranged, the first dielectric substrate is provided with a patch resonator and a plurality of metalized through holes, and the middle metal layer, the patch resonator and the metalized through holes jointly form an SIW resonator. The middle metal layer is provided with a first gap and a second gap. The second dielectric substrate is provided with two first microstrip resonators and two second microstrip resonators. The two first microstrip resonators are respectively used for externally connecting electromagnetic signals in different polarization directions, and the two second microstrip resonators are respectively coupled with the patch resonator and the SIW resonator through the first gap and the second gap. According to the dual-frequency dual-polarization low-profile patch antenna provided by the invention, the problems of high overall profile thickness and large size of the existing dual-frequency dual-polarization patch antenna are solved.

A dual circularly polarized antenna array includes an insulating substrate, an M number of feed modules, and an M number of antenna groups. The insulating substrate includes an M number of preset points. The M antenna groups are respectively disposed on the M preset points, and each antenna group includes four antennas. Any two opposite ones of the four antennas jointly have a 180-degree rotational symmetry relative to a corresponding one of the M preset points. Each antenna includes a conductive sheet, and a first feed point and a second feed point that are electrically coupled to one of the M feed modules. The first feed points of the four antennas can jointly generate a left-hand circular polarization through one of the M feed modules, and the second feed points of the four antennas can jointly generate a right-hand circular polarization through one of the M feed modules.

Dual-polarized antennas with ring balun excitation are disclosed. In certain embodiments, a dual-polarized antenna includes an antenna element and a ring balun for providing excitation of the antenna element. The ring balun includes conductive segments electrically connected in a ring, a first input port that receives a first single-ended RF signal of a first signal polarization, and a second input port that receives a second single-ended RF signal of a second signal polarization. The ring balun further includes a first output port and a second output port that collectively provide a first differential RF signal of the first signal polarization to the antenna element, and a third output port and a fourth output port that collectively provide a second differential RF signal of the second signal polarization to the antenna element.

Millimeter wave (mmWave) technologies, devices, and methods related to transceivers, receivers, and antenna structures for wireless communications are described. Various aspects include collocated millimeter wave (mmWave) antennas and near field communication (NFC) antennas, scalable phased array radio transceiver architecture (SPARTA), phased array distributed communication systems with MIMO support and phase noise synchronization on a single coaxial cable, passing RF signals over cable (RFoC) in distributed phased array communication systems, clock noise leakage reduction, IF to RF auxiliary chips for backward and forward compatibility and modularity, on-package matching networks, 5G scalable receiver (Rx) architectures, and the like.

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 is provided that includes a dielectric-filled cavity having a bottom surface, a top surface, and a rectangular perimeter. A round metal layer faces the bottom surface whereas a resonator metal layer faces the top surface. A plurality of metallic vias is arranged about the rectangular perimeter to couple a perimeter of resonator layer to the ground layer. An opening divides the resonator layer into a first pair of resonators and into a second pair of resonators. Within each pair of resonators, one resonator is configured for operation according to a first linear polarization whereas a second resonator is configured for operation according to a second linear polarization that is orthogonal to the first linear polarization.

An antenna device configured for wireless positioning. The antenna device includes a ground plane having a polygonal shape comprising at least 4 side edges. A plurality of chip antenna elements tuned to a predetermined radio frequency are each singly provided at one of said side edges with a spacing between adjacent ones of said chip antenna elements corresponding to ½ of a wavelength of said predetermined radio frequency. A patch antenna element tuned to said predetermined radio frequency is provided at a center portion of a front side of the ground plane.

The invention discloses an omnidirectional broadband high-gain rectification antenna which comprises an antenna unit radiation structure, an antenna unit radiation patch, an upper dielectric plate, a first rectification circuit, a second rectification circuit, a metal plate, a lower dielectric plate and an antenna unit feed structure. Wherein the first rectifying circuit and the second rectifying circuit are both printed on the upper surface of the upper-layer dielectric plate; the first rectifying circuit is connected with the first port of the antenna unit and is used for receiving radio frequency energy in the environment; and the second rectifying circuit is connected with the second port and the third port of the antenna unit and is used for receiving radio frequency energy from the fixed radio frequency source. The antenna can be applied to radio frequency energy collection and wireless energy transmission at the same time, and has the characteristics of omnidirectional broadband and high gain. The antenna can be widely applied to the field of microwave rectification antennas.

The present invention belongs to the field of antenna technology, and discloses a miniaturized GNSS antenna, including: a patch, located at the top of the antenna, for radiating and receiving signals; a ground plate, located below the patch, for reflecting signals and providing a potential zero point; a feeder, for providing RF signal input for the antenna; a connecting device, arranged between the patch and the ground plate, for realizing electrical connection between the patch and the ground plate, and the number of the connecting devices is three, and the connection points of the three connecting devices on the patch are arranged at the edge of the patch, and the three connection points are distributed in a triangular shape, and the angles of the triangles are all within the range of 45° to 90°. The present invention effectively controls the electric field distribution and vector electric field superposition of orthogonal modes through distributed connecting devices, which ensures miniaturization and realizes high gain and stable circular polarization performance.

An antenna module includes: a printed circuit board (PCB) having a plurality of layers; an array antenna portion having a plurality of antenna elements disposed on the PCB; and a plurality of signal connection lines configured to electrically connect a radio frequency integrated circuit (RFIC) chip to the array antenna portion. A second patch antenna of two patch antennas of the array antenna portion is disposed to be spaced apart from a first patch antenna and is disposed on one of the plurality of layers inside the PCB. The first patch antennas disposed on an outermost surface of the PCB are disposed in a first horizontal axis direction on the outermost surface. The second patch antennas are disposed in the first horizontal axis direction on an inner layer of the PCB.

The disclosure describes an antenna that is formed from a continuous material according to some embodiments. In some embodiments, the antenna includes a plurality of individual antenna modules each formed from the continuous material. In some embodiments, each antenna module is configured to resonate at a plurality of frequencies. In some embodiments, each antenna module is configured to receive a voltage and / or current from a single feeder. In some embodiments, each of the antenna modules are effectively electrically isolated from each other. In some embodiments, each antenna module includes one or more driven portions and one or more parasitic portions. In some embodiments, the one or more driven portions are configured and / or arranged to induce a voltage in the one or more parasitic portions.

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.

According to the frequency polarization reconfigurable transmission array antenna unit and the transmission array antenna, an orthogonal crisscross radiation patch is used as emission layer metal of the antenna unit, and polarization conversion and phase switching of the unit in different frequency bands are realized by controlling output voltage of a circuit to change on-off states of four diodes; therefore, the characteristics of high gain, high interference resistance, high polarization matching degree, high flexibility, adjustable polarization and beam scanning of the transmission array antenna are realized. Meanwhile, as the orthogonal cross-shaped radiation patch is used as the transmitting unit, and the X-polarization rectangular receiving patch is used as the receiving unit, both the transmitting unit and the receiving unit are printed on the dielectric plate, the structure is simple and compact, the processing is convenient, and the cost is low.

A dual-frequency and dual-circularly-polarized transmit-array antenna with independently controllable beams includes a planar broadband circularly polarized feed array and a planar transmit-array, the planar broadband circularly polarized feed array being placed near a focal plane of the planar transmit-array. The planar broadband circularly polarized feed array includes K-band left / right-handed circularly polarized feeds and Ka-band left / right-handed circularly polarized feeds that are integrated in the same plane. The planar transmit-array includes K-band and Ka-band dual-circularly-polarized phase shifting cells that are periodically staggered in a shared-aperture manner and based on an architecture of receiving antenna-phase shifting stripline-transmitting antenna. The antenna realize independent adjustment of right-handed and left-handed circularly polarized transmit phases in the K-band and the Ka-band, and it possesses the advantages such as miniaturization, low profile, and easy integration, and so on, thus having significant application prospects in fields such as satellite communications.