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91 results about "Patch antenna array" patented technology

Electronically steerable planar phase array antenna

A two-dimensional (2-D) beam steerable phased array antenna is presented comprising a continuously electronically steerable material including a tunable material or a variable dielectric material, preferred a liquid crystal material. A compact antenna architecture including a patch antenna array, tunable phase shifters, a feed network and a bias network is proposed. Similar to the LC display, the proposed antenna is fabricated by using automated manufacturing techniques and therefore the fabrication costs are reduced considerably.
Owner:ALCAN SYST GMBH

Dual-polarized radiating patch antenna

A dual-polarized patch antenna, an dual-polarized patch antenna array, and a method for forming the same are provided. The dual-polarized patch antenna comprises a radome, a horizontal feed and a vertical feed, a first cross-shaped patch, and a ground plane including a cross aperture. The dual-polarized patch antenna may include a cross patch and a cross aperture to increase the isolation in a cross-polarization between a horizontal polarized signal and a vertical polarized signal in a first principle plane and to decrease a mismatch in co-polarizations between the horizontal polarized signal and the vertical polarized signal in a second principle plane.
Owner:UNIV FOR ATMOSPHERIC RES

Patch antenna array with isolated elements

On the ground plate uprightly mounted in the vertical direction, a plurality of short patch antennas are provided at mutually adjacent positions, and also a pair of non-powered elements are mounted, wherein each of the non-powered elements is disposed between the plurality of short patch antenna elements in such a manner as to extend in the vertical direction and is electrically insulated from the ground plate. Due to this construction, the radiation pattern in the horizontal direction of the plurality of short patch antennas can be greatly improved.
Owner:MITSUBISHI ELECTRIC CORP

Compact Patch Antenna Array

ActiveUS20120026054A1Flexible and signal outputRadiation pattern is easySimultaneous aerial operationsRadiating elements structural formsDielectricGround plane
A compact patch antenna array for mobile terminal applications comprising: a plurality of radiators mounted on one surface of a dielectric, with a ground plane being mounted on the other side of the dielectric. Beneath the ground plane, another dielectric with feeding network is placed. Other embodiments are described and shown in FIG. 2.
Owner:SPATIAL DIGITAL SYST

Three-dimensional integrated packaging based on millimeter wave antenna and silicon-based component

The present invention discloses a three-dimensional integrated packaging based on a millimeter wave antenna and a silicon-based multi-channel component. The packaging comprises a radiation layer, wherein the radiation layer is a micro-strip patch antenna array; a high resistivity silicon substrate with a TSV feeding structure; a dielectric wiring layer with microwave wirings and digital wirings; asurrounding frame with a TSV three-dimensional vertical transmission structure and an air-tightness packaging cover plate with a TSV transmission structure. According to the packaging, by integratingthe micro-strip patch antenna array, microwave chip(s), digital chip(s) and passive device(s) in a same module via a MEMS process at the same time, the middle part of the surrounding frame has the TSV structure capable of realizing vertical transmission of microwave signal(s), so that integration degree is relative high, the microwave properties are good, the multi-functionalization and the miniaturization of the components can be realized.
Owner:南京国微电子有限公司

Reproducible, high performance patch antenna array apparatus and method of fabrication

A reproducible, high-performance patch antenna array apparatus includes a patch antenna array provided on a unitary dielectric substrate, and a feed network provided on the same unitary substrate and proximity coupled to the patch antenna array. The reproducibility is enhanced by using photolithographic patterning and etching to produce both the patch antenna array and the feed network.
Owner:NAT TECH & ENG SOLUTIONS OF SANDIA LLC

Laminated high-gain circular polarization micro-strip array antenna based on LTCC

The invention aims at overcoming the defects of an existing micro-strip patch antenna in the aspects of the high gain, the wide band and the circular polarization and providing a laminated circular polarization micro-strip patch antenna based on the LTCC technology. The antenna comprises an upper radiation metal patch antenna array layer, a lower radiation metal patch antenna array layer, an upper dielectric substrate layer, a lower dielectric substrate layer, a feed network, a grounding metal layer and a coaxial connector probe. The antenna is characterized in that the upper radiation metal patch antenna array layer and the lower radiation metal patch antenna array layer are the same in shape and size, each antenna array is composed of four small antenna arrays, each small antenna array is composed of four sub-arrays, each sub-array is composed of four radiation metal patches, each radiation metal patch is a square with a chamfer, and a set of opposite sides of each radiation metal patch are provided with rectangular gaps. The antenna can better meet the requirements for performance of the high gain, the wide band and the circular polarization of the micro-strip patch antenna, and the structure is simple.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Conformal array, luneburg lens antenna system

A Luneburg lens is used in conjunction with a patch antenna array. The patch antenna array is conformed or adapted to cover a portion or backside of the Luneburg len's surface with the backplane of the conformed antenna array defining a field of regard (FOR) in which objects are detected and tracked. A processor is connected to a receiver / exciter module which connects to transmit / receive modules which are connected to the individual patch antennas through a network of MEMS switches. In a receive mode, selected subarrays of the conformed patch antenna array are scanned during selected time intervals with the sum and delta beams being formed coherently in amplitude and phase to realize amplitude monopulse sensing and angle tracking of an object.
Owner:UNITED STATES OF AMERICA THE AS REPRESENTED BY THE SEC OF THE ARMY

Radar level gauge system with multi band patch antenna array arrangement

A radar level gauge system (1) having an antenna arrangement (3) adapted to emit microwaves towards a surface (7) of the product (6) and to receive microwaves reflected from the surface (7) The antenna arrangement (3) includes a reflector (8) and a multi band patch antenna array (9) arranged at a distance from the reflector (8) and adapted to emit electromagnetic waves to be reflected by the reflector towards the surface (6). The array (9) has first and second groups of radiator elements (19) adapted to emit electromagnetic radiation with first and second radiation footprints (14, 15), wherein the second radiation footprint (15) is substantially equal to the first radiation footprint (14), and wherein the reflector (8) has a size corresponding to the first and second radiation footprints (14, 15).According to the present invention, the reflector will be adapted to receive most of the radiation in the first and second radiation footprints. This results in an optimized antenna arrangement, where the amount of radiation energy emitted without reaching the reflector is reduced, while at the same time the full reflector size is used for both frequency bands.
Owner:ROSEMOUNT TANK RADAR

Patch antenna, array antenna, and mounting board having the same

A patch antenna is disclosed that includes a dielectric substrate, a substantially rectangular radiation element formed of a conductive material on the dielectric substrate; and a feeder line connected to a feeding point for feeding to the radiation element. The feeding point has an impedance matching the impedance of the feeder line.
Owner:SHINKO ELECTRIC IND CO LTD +1

System for asset tracking

An asset tracking system includes one or more RFID readers and one or more RFID tags cooperating with the readers, and at least one garment, wherein the readers each include an RF wideband transceiver and a linearly polarized antenna. Each reader polls periodically a corresponding one or more RFID tag to determine a distance of a particular tag from each reader. Each reader computes the tag's distance in real-time and updates a corresponding database in real-time for an on-demand reaction as determined by a processor in each reader. Each tag includes a wideband transceiver and an antenna array. The antenna array is implanted on each garment and ensures a spherical coverage around each tag. The antenna array includes two or more patch antenna distributed around each garment so as to provide full 360 degree and spherical coverage around each garment, and wherein each patch antenna is provided on a dielectric. Coverage is thereby provided by the patch antenna array and removes the need of having a single line of sight. Each tag may include an on-board processor adapted to adaptively switch between the antennas in the antenna array so as to select an appropriate antenna of the array for a signal from a corresponding reader.
Owner:PSST MOBILE EQUIP - RICHARD SHERVEY

Broadband micro-strip antenna array coupling structure

The invention discloses a broadband micro-strip antenna array coupling structure, and aims to provide a micro-strip patch antenna array, which is simple in structure, is conveniently and quickly debugged and can effectively reduce side-lobe levels of antennae. According to the technical scheme, a micro-strip patch antenna array body consists of a plurality of antenna radiation units longitudinally arranged on a dielectric support, wherein a coupling groove is formed below a radiation patch of each antenna radiation unit; the length of the coupling groove of each antenna radiation unit is progressively decreased from middle to two ends, so that a gradually variable coupling groove length aperture coupling form is achieved; the antenna radiation units with the coupling grooves which are equal in length are arranged in pairs on the array body; the lengths of the coupling grooves which are symmetrically formed in pairs from left to right are equal; the patch of each antenna radiation unit feeds through a unit feeder perpendicularly passing through the corresponding coupling groove. According to the broadband micro-strip antenna array coupling structure, the lengths of the coupling grooves are progressively decreased from middle to two ends, so that excitation current for the coupling of the feeders to the patches is changed, and the side-lobe levels of the antennae are reduced.
Owner:LINGBAYI ELECTRONICS GRP

Multi-beam medium column lens antenna

The invention discloses a multi-beam medium column lens antenna, comprising a dielectric column lens, a metal plate waveguide, an antenna part and a feed source part, wherein the metal plate waveguide is provided with an upper metal plate and a lower metal plate; the antenna part comprises a dielectric substrate in the middle part, a patch antenna array at one side of the dielectric substrate and a coupled gap array at the other side of the dielectric substrate; the patch antenna array is formed by eight rectangle patches in parallel; the feed source part comprises a dielectric substrate in the middle part, a coupled gap array at a side surface inside the dielectric substrate and an L-shaped micro-strip feeder line array at a side surface outside the dielectric substrate; the coupled gap array of the feed source part and the coupled gap array of the antenna part are of the same shape and fitted mutually; the L-shaped micro-strip feeder line array is formed by eight paths of L-shaped micro-strip feeder lines; and one path of the L-shaped micro-strip feeder lines in the L-shaped micro-strip feeder line array corresponds to a rectangle slot of each coupled gap array respectively. The antenna has the characteristics that the structure is simple, the processing is easy, the weight is light, the scanning range is wide, and the cost is low and the like.
Owner:ZHEJIANG UNIV

Series-Fed E-shaped Patch Antenna Array with Co-polarized Parasitic Patches

A series-fed E-shaped patch antenna array has co-polarized parasitic patches to improve aperture efficiency. Each of microstrip parasitic patches is inserted between a plurality of microstrip E-shaped patch antennas. The parasitic patches are co-polarized with the E-shaped patch antennas so that the current flows in the parasitic patches and the E-shaped patch antennas have the same polarity. Additional radiation from the co-polarized microstrip parasitic patches significantly improves gain flatness, gain and aperture efficiency due to offset resonance frequency.
Owner:KOREA ADVANCED INST OF SCI & TECH

Three-dimensional integrated millimeter wave AiP phased array element

The invention discloses a three-dimensional integrated millimeter wave AiP phased array element. A millimeter wave microstrip patch antenna array layer, an antenna feed network layer, a millimeter wave signal transmitting and receiving circuit layer, a millimeter wave signal three-dimensional vertical transmission layer, a millimeter wave circuit shielding layer, a power division network and digital signal layer and a bottom BGA signal input layer are sequentially arranged from the top layer to the bottom layer. According to the invention, a silicon semiconductor integrated packaging process and a glass wiring process are adopted, passive devices such as a millimeter wave microstrip patch antenna, a feed network, a microwave chip, a digital chip, an IPD and the like are packaged into a miniaturized three-dimensional integrated millimeter wave AiP phased array element, and input and interlayer vertical transmission of millimeter wave signals are realized by utilizing high-density integrated BGA, TSV and Bump.
Owner:南京国微电子有限公司

Passive wireless temperature crack binary sensor array based on microstrip antenna

The invention discloses a passive wireless temperature crack binary sensor array based on a microstrip antenna. The passive wireless temperature crack binary sensor array comprises a signal transceiving patch antenna and a measuring patch antenna array. The measuring patch antenna array comprises a crack monitoring array element and a temperature monitoring array element and is connected with thesignal transceiving patch antenna through delay transmission feeder lines with different lengths; and the signal transceiving patch antenna is in data communication with external equipment. The influence of the environment temperature on the monitoring performance of the crack sensor is eliminated, and the working reliability of the microstrip antenna sensor is greatly improved.
Owner:WUHAN UNIV OF TECH

Strain and crack decoupling measurement device and method based on binary patch antenna array

The invention discloses a strain and crack decoupling measurement device and method based on a binary patch antenna array. The method comprises steps that S1, a compensation antenna and a measurementantenna are respectively attached to the surface of a to-be-tested structure; S2, frequency sweep electromagnetic waves are transmitted by a wireless inquirer device to the compensation antenna and the measurement antenna in real time, and the resonant frequency is respectively acquired according to reflected signals; S3, when a crack is generated on the surface of the to-be-tested structure, a ground floor of the compensation antenna isolates influence of the surface crack of the to-be-tested structure on the resonant frequency, only strain is sensed, and the comprehensive strain and crack information is sensed by the measurement antenna; according to the real-time resonant frequency of the compensation antenna and measurement antenna, in combination with length and the initial resonant frequency, strain and crack information decoupling are realized. The method is advantaged in that decoupling and accurate measurement of the surface strain and crack information of the metal structureare realized through utilizing the patch antenna, the device structure is simple, and lead connection is not needed.
Owner:WUHAN UNIV OF TECH

Dual-polarized radiating patch antenna

A dual-polarized patch antenna, an dual-polarized patch antenna array, and a method for forming the same are provided. The dual-polarized patch antenna comprises a radome, a horizontal feed and a vertical feed, a first cross-shaped patch, and a ground plane including a cross aperture. The dual-polarized patch antenna may include a cross patch and a cross aperture to increase the isolation in a cross-polarization between a horizontal polarized signal and a vertical polarized signal in a first principle plane and to decrease a mismatch in co-polarizations between the horizontal polarized signal and the vertical polarized signal in a second principle plane.
Owner:UNIV FOR ATMOSPHERIC RES

Decoupling structure between adjacent rectangular patches in dual-band antenna array

The invention discloses a decoupling structure between adjacent rectangular patches in a double-frequency antenna array. The decoupling structure comprises a dielectric substrate, metal grounding plates arranged on the lower surface and the upper surface of the substrate respectively and two symmetrical double-frequency metal patches. Two feed probes are arranged on the metal grounding plate and penetrate through the dielectric substrate to be in contact with the two patches respectively; a decoupling branch unit and a short-circuit probe unit are arranged between the two patches, decoupling of space waves between the two patches is achieved, and a short-circuit probe is arranged on the metal grounding plate and penetrates through the dielectric substrate to make contact with the decoupling branch unit; U-shaped grooves are symmetrically etched in the two patches and used for activating the other mode; and a defected ground structure is etched on the metal grounding plate and is used for preventing current from flowing from one patch to the other patch. The patch antenna array has the advantages of being low in profile, low in manufacturing cost, simple in structure and the like, the original advantages that the decoupling structure is low in profile, easy to manufacture and the like are kept, the original radiation performance of the antenna is not damaged, and meanwhile a good decoupling effect is obtained.
Owner:NANJING UNIV OF SCI & TECH

Novel broad-band microstrip surface-mounted antenna array

InactiveCN102354797AObservation BeamwidthObserve the sidelobeAntenna arraysRadiating elements structural formsCouplingSide lobe
A novel broad-band microstrip surface-mounted antenna array comprises an array body, which comprises a plurality of radiating elements with coupling grooves, and the novel broad-band microstrip surface-mounted antenna array is characterized in that in terms of an arrangement mode, the length of the coupling groove of each radiating element is gradually reduced from the middle to both ends on the array body. In one improvement, the array body is provided with six radiating elements, and the radiating elements with equilong coupling grooves are arranged in pairs on the array body. The structure of the novel broad-band microstrip surface-mounted antenna array is simple, the design and debugging process of the novel broad-band microstrip surface-mounted antenna array is simple and convenient, feeders do not need to be adjusted at the stage of simulation design, and the beam width, side lobes, gain and other radiation properties of the antenna array can be visually and conveniently observed on a computer.
Owner:LINGBAYI ELECTRONICS GRP

Microstrip patch antenna array

A patch antenna array includes a plurality of patch antenna elements spaced apart from each other and arranged as an array. Each patch antenna element has a substrate, a radiating patch associated with the substrate and a ground plane associated with the substrate. The patch antenna elements are discrete and separate from each other. At least one element frame holds the discrete antenna elements in the array. Each element frame captures and positions at least two patch antenna elements relative to each other.
Owner:TE CONNECTIVITY CORP

LTCCC laminated wideband microstrip staggered triangle array antenna

The invention belongs to the technical field of antennas, and provides an LTCC laminated wideband microstrip staggered triangle array antenna. The LTCC laminated wideband microstrip staggered triangle array antenna is used for overcoming the disadvantages of an existing microstrip patch antenna in the aspects of giving consideration to high gain, wide frequency band and miniaturization. The antenna comprises an upper radiation metal patch antenna array, a lower radiation metal patch antenna array, an upper dielectric substrate, a lower dielectric substrate, a welding hole, a feed network, a grounding metal layer and a coaxial connector probe, and is characterized in that the upper dielectric substrate, the lower dielectric substrate and the grounding metal layer are respectively in the shapes of rectangles with teeth; the upper metal patch antenna array and the lower metal patch antenna array are respectively composed of upper unit metal patches and lower unit metal patches in the arrangement of staggered triangles; and the upper unit metal patches and the lower unit metal patches are respectively in the shapes of rectangles provided with semi-U-shaped grooves. The LTCC laminated wideband microstrip staggered triangle array antenna provided by the invention can well give the consideration to the performance requirements of the microstrip patch antenna such as high gain, wide frequency band and miniaturization, and is relatively simple in structure.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Series-fed E-shaped patch antenna array with co-polarized parasitic patches

A series-fed E-shaped patch antenna array has co-polarized parasitic patches to improve aperture efficiency. Each of microstrip parasitic patches is inserted between a plurality of microstrip E-shaped patch antennas. The parasitic patches are co-polarized with the E-shaped patch antennas so that the current flows in the parasitic patches and the E-shaped patch antennas have the same polarity. Additional radiation from the co-polarized microstrip parasitic patches significantly improves gain flatness, gain and aperture efficiency due to offset resonance frequency.
Owner:KOREA ADVANCED INST OF SCI & TECH

Decoupling Fabry-Perot resonant cavity

The invention discloses a decoupling Fabry-Perot (FP) resonant cavity, which comprises a partial reflection surface and a reflective array, and is characterized in that a coaxial feed 1*2 patch antenna array is embedded into the reflection array for observing coupling characteristics. The partial reflection surface is composed of 7*10 units, wherein each unit is composed of an upper metal layer, adielectric substrate and a lower metal layer, the upper metal layer is provided with a rhombic groove, and the lower metal layer is a square patch. The reflective array is composed of an upper metallayer, a dielectric substrate and a lower metal ground plate. The 1*2 patch antenna array consists of two square patches with the same size and a feed probe, and is embedded into the reflective array.Through the FP resonant cavity, the antenna gain can be effectively improved while the coupling between the antennas is reduced, and meanwhile, the antenna profile is also reduced.
Owner:NANJING UNIV OF POSTS & TELECOMM

Antenna module and communication device

An antenna module (1) includes an antenna array (100) that includes a plurality of radiation conductors (11) arranged at regular intervals in or on a dielectric substrate (14) and an RFIC (20) that is provided in or on the dielectric substrate (14) and that performs signal processing on a transmission signal transmitted by the antenna array (100) or a reception signal received by the patch antenna array (100). Each of the plurality of radiation conductors (11) has a transmission feeding point from which the transmission signal is transmitted to the RFIC (20) and a reception feeding point at which the reception signal is received from the RFIC (20).
Owner:MURATA MFG CO LTD

Cavity-backed circularly polarized patch antenna array with filtering function

The invention relates to a cavity-backed circularly polarized patch antenna array with a filtering function. According to the invention, an integrated design of an antenna and a filter is carried out in a single-layer single substrate integrated waveguide cavity, and a wide impedance bandwidth is realized by introducing TM120 and TM210 of a resonant cavity and TM10 and TM01 of a microstrip patch. However, an axial ratio bandwidth is much narrower than an impedance bandwidth. Therefore, in order to further broaden the effective working bandwidth of the antenna, an array design is carried out. Through a rotation sequence feed mode and introduction of a second-order high-pass filter on a dielectric integrated waveguide, the axial ratio bandwidth of the antenna is widened, the antenna gain is improved, and the filtering effect of the antenna is further optimized.
Owner:HANGZHOU DIANZI UNIV
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