Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 21 - Aerial arrays or systems
Patents for H01Q 21 - Aerial arrays or systems (25,127)
07/1995
07/18/1995US5434576 Optimized subarray amplitude tapers for array antennas
07/18/1995US5434575 Phased array antenna system using polarization phase shifting
07/18/1995CA1336341C Powering and communication apparatus and method
07/13/1995WO1995019078A1 A cellular/satellite communications system with improved frequency re-use
07/13/1995CA2157182A1 A cellular/satellite communications system with improved frequency re-use
07/12/1995EP0389619B1 Method of making a curved plastic body with circuit pattern
07/11/1995US5431582 Module retention apparatus
07/05/1995EP0661773A1 Conically shaped microstrip patch antenna prepared on a planar substrate and method of its manufacturing
07/04/1995US5430455 Microwave location system
07/04/1995US5430453 Cylindrical phased array antenna system to produce wide-open coverage of a wide angular sector with high directive gain and moderate capability to resolve multiple signals
07/04/1995US5430452 Device for supply to the radiating elements of an array antenna, and application thereof to an antenna of an MLS type landing system
07/04/1995US5430451 Array antenna mounted on spacecrafts
07/04/1995CA2027443C Slot antenna having controllable polarization
06/1995
06/28/1995EP0413707B1 Time domain radio transmission system
06/27/1995US5428636 Radio frequency local area network
06/27/1995US5428363 Antenna system for use in an automatic vehicular identification system
06/21/1995EP0658282A1 Q equalization in dual-element end-fire array antennas
06/21/1995EP0658281A1 Coaxial collinear element array antenna.
06/21/1995EP0393103B1 Antenna structure for providing a uniform field
06/21/1995CN2201732Y High gain super wide frequency tV antenna device
06/20/1995US5426442 Corrugated feed horn array structure
06/20/1995US5426441 Planar slot antenna grid
06/13/1995CA2023544C Planar slotted antenna with radial line
06/08/1995WO1995015592A1 Waveguide antenna
06/08/1995WO1995015591A1 Planar antenna
06/08/1995DE4341295A1 Electronic beam-steering appts. for set of directional antennas
06/08/1995DE4340824A1 Planar radiator for direct reception of television and satellite signals
06/08/1995CA2177626A1 Waveguide antenna
06/07/1995CN1103524A Detection of multiple articles
06/06/1995US5422652 Waveguide with non-inclined radiating slots excited by flat metal plates
06/06/1995US5422649 Parallel and series FED microstrip array with high efficiency and low cross polarization
06/06/1995US5422647 Mobile communication satellite payload
06/06/1995US5422637 Method of performing beam compression process on antenna pattern of radar
06/06/1995CA2022854C Multiple beam deployable space antenna system
05/1995
05/30/1995US5420590 For processing an incident electromagnetic signal
05/24/1995EP0654845A1 Adaptable dipole radiating element in printed circuit technology, method for adjustment of the adaptation and corresponding array
05/23/1995US5418544 Stacked crossed grid dipole antenna array element
05/23/1995US5418541 Planar, phased array antenna
05/23/1995US5418539 Method of performing beam compression process on antenna pattern of radar
05/23/1995US5416971 Method of assembling a monolithic gallium arsenide phased array using integrated gold post interconnects
05/19/1995CA2136048A1 Switched array for mobile satellite communication
05/17/1995EP0653801A1 Arrangement for holding of multiple transmit- and/or receive modules
05/17/1995EP0606396A4 A radio frequency local area network.
05/16/1995US5416492 Electromagnetic radiator using a leaky NRD waveguide
05/16/1995CA2044903C Frenquency variation scanning antenna
05/10/1995EP0614578A4 Compact broadband microstrip antenna.
05/09/1995US5414434 Patch coupled aperature array antenna
05/09/1995CA2028860C Short-range radar transceiver employing a fet oscillator
05/09/1995CA2003471C Feed waveguide for an array antenna
05/04/1995WO1995012224A1 Broadband aerial means
05/03/1995EP0651461A1 Antenna with array of radiating elements
05/03/1995CA2134055A1 Radiating element array antenna
05/02/1995US5412414 Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly
04/1995
04/27/1995DE4336355A1 Receiving device for the reception of electromagnetic waves at different frequencies
04/26/1995EP0650213A1 Array antenna and production process therefor
04/25/1995US5410324 Method and apparatus for determining antenna radiation patterns
04/25/1995US5410320 Cylindrical phased array antenna system to produce wide open coverage of a wide angular sector with high directive gain
04/20/1995DE4335345A1 Mobile base station and antenna arrangement to provide radio coverage for a tunnel
04/19/1995EP0649227A1 Handheld or vehicle mounted radio communication apparatus with steerable directional antenna
04/19/1995EP0649185A1 Improvements in or relating to antennas
04/19/1995EP0649183A1 Broadcoasting assembly comprising a rotatable antenna with dipoles in wire form and rotaty joint for this assembly
04/19/1995EP0649182A1 Broadcasting assembly comprising a rotatable dipole antenna with rigid dipoles and rotary joint for this assembly
04/19/1995CN2195139Y Active multidirectional all-channel TV receiving antenna
04/19/1995CN1101761A Planar antenna with helical antenna array and waveguide
04/19/1995CN1101760A Planar antenna with helical antenna array and strip line feeder pattern coupled thereto
04/18/1995US5408240 Suspended stripline RF feed with orthogonal coaxial transitions and plastic housing
04/18/1995CA2053890C Time domain radio transmission system
04/18/1995CA2001013C Array antenna system
04/12/1995EP0647977A1 Circularly polarized microcell antenna
04/12/1995EP0647976A2 Plane array antenna for receiving satellite broadcasting
04/12/1995EP0647358A1 Electromagnetic power distribution system
04/11/1995US5406292 Crossed-slot antenna having infinite balun feed means
04/11/1995US5406206 Method of evaluating a geological formation using a logging tool including slot antenna having two nonparallel elements
04/06/1995WO1995009455A1 Multipatch antenna
04/06/1995CA2172834A1 Multipatch antenna
04/05/1995EP0646985A1 Tuned stripline antenna with a sail
04/05/1995EP0646983A2 Modulated backscatter microstrip patch antenna
04/04/1995US5404581 Microwave . millimeter wave transmitting and receiving module
04/04/1995US5404148 Phased array antenna module
04/04/1995US5404145 Terminating device
03/1995
03/29/1995EP0645837A2 Receiver and antenna incorporated in the receiver
03/29/1995EP0645030A1 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power
03/28/1995US5402136 Combined capacitive loaded monopole and notch array with slits for multiple resonance and impedance matching pins
03/28/1995US5402132 Monopole/crossed slot single antenna direction finding system
03/22/1995CN2192956Y TV. receiving antenna with total position and total frequency channel
03/21/1995US5400042 Dual frequency, dual polarized, multi-layered microstrip slot and dipole array antenna
03/21/1995US5400040 Microstrip patch antenna
03/21/1995US5400039 Integrated multilayered microwave circuit
03/21/1995CA2053643C Double polarization radiating element feeding device
03/15/1995EP0643311A2 Method for radar antenna pattern beam compression
03/14/1995CA2106017A1 Microcell system in digital cellular
03/08/1995EP0642232A1 Radio communication system
03/08/1995EP0642192A1 Array antenna
03/07/1995USH1421 VHF satellite based radar antenna array
03/02/1995WO1995006365A1 Dual distributed antenna system
03/02/1995WO1995006339A1 High reliability fail-soft microwave landing system having high continuity of service and integrity
03/01/1995EP0641090A2 Antenna switching device
02/1995
02/28/1995US5394436 Multi-hop data communication network
02/28/1995US5394119 Radio frequency connector for a patch coupled aperture array antenna
02/22/1995CN2190355Y Full frequency channel antenna with three different vibrators
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