| Patents for H01Q 25 - Aerials or aerial systems providing at least two radiating patterns (4,128) |
|---|
| 02/10/1998 | US5717407 Patch antenna array capable of simultaneously receiving dual polarized signals |
| 02/10/1998 | US5717405 Four-port phase and amplitude equalizer for feed enhancement of wideband antenna arrays with low sum and difference sidelobes |
| 02/03/1998 | US5714957 Base station antenna arrangement |
| 01/29/1998 | WO1998004017A1 Geosynchronous communications satellite system with reconfigurable service area |
| 01/15/1998 | WO1998001922A1 Focused narrow beam communication system |
| 01/15/1998 | WO1998001771A1 A beam sharpened, low sidelobe antenna system |
| 01/07/1998 | EP0817308A2 Method for the automatic selection of one beam among those formed by a multibeam antenna, in particular for radiomobile systems |
| 12/30/1997 | US5703603 Multi-beam lens antenna |
| 12/29/1997 | EP0611491B1 Spacecraft antennas and beam steering methods for satellite communication system |
| 12/16/1997 | CA2105745C Identical surface shaped reflectors in semi-tandem arrangement |
| 11/18/1997 | US5689272 Method and system for producing antenna element signals for varying an antenna array pattern |
| 11/12/1997 | EP0806121A1 Method and apparatus for providing redundant radio coverage within a cellular communication system |
| 11/12/1997 | CN1164780A Multiple beam wireless telecommunication system |
| 11/11/1997 | US5686929 RF homing head antenna system for missiles |
| 11/11/1997 | US5686926 Multibeam antenna devices |
| 11/05/1997 | EP0805360A2 Multibeam radar system |
| 11/04/1997 | US5684491 High gain antenna systems for cellular use |
| 10/30/1997 | WO1997040594A1 Dividable transmit antenna array for a cellular base station and associated method |
| 10/30/1997 | CA2249583A1 Dividable transmit antenna array for a cellular base station and associated method |
| 10/29/1997 | EP0803932A1 Multiple band folding antenna |
| 10/21/1997 | CA2100021C Space duplexed beamshaped microstrip antenna system |
| 10/15/1997 | EP0801437A2 Beam forming network for multiple-beam-feed sharing antenna system |
| 10/14/1997 | US5677697 Millimeter wave arrays using Rotman lens and optical heterodyne |
| 10/08/1997 | EP0799506A1 Omnidirectional antenna and process for producing the same |
| 10/07/1997 | US5675343 Radiating-element array antenna |
| 09/30/1997 | US5673056 Identical surface shaped reflectors in semi-tandem arrangement |
| 09/25/1997 | WO1997035359A1 Array feed for axially symmetric and offset reflectors |
| 09/25/1997 | WO1997035358A1 Low cost compact electronically scanned millimeter wave lens and method |
| 09/17/1997 | EP0795257A1 A beamed antenna system |
| 09/09/1997 | US5666123 Base station antenna arrangement |
| 09/03/1997 | EP0793291A2 Millimeter wave arrays using Rotman lens and optical heterodyne system |
| 08/27/1997 | EP0791980A2 Multiple beam wireless telecommunication system |
| 08/12/1997 | US5657024 Radar module and radar system |
| 07/30/1997 | EP0786826A2 Intermodulation scattering communications apparatus |
| 07/15/1997 | US5648968 Narrow beam antenna systems with angular diversity |
| 07/15/1997 | US5648784 procedure for controlling a scanning antenna |
| 06/26/1997 | WO1997023017A1 Antenna assembly and associated method for radio communication device |
| 06/24/1997 | US5642358 Multiple beamwidth phased array |
| 06/24/1997 | US5642122 Spacecraft antennas and beam steering methods for satellite communciation system |
| 06/12/1997 | DE19650544A1 Flat antenna and phase comparison mono pulsed radar system |
| 05/27/1997 | CA2043135C Plural frequency matrix multiplexer |
| 05/22/1997 | WO1997018674A1 Multichannel radio frequency transmission system to deliver wide band digital data into indepedent sectorized service areas |
| 05/22/1997 | CA2236088A1 Multichannel radio frequency transmission system to deliver wideband digital data into independent sectorized service areas |
| 05/20/1997 | US5631898 For transmitting signals to a remote unit |
| 05/14/1997 | CN1149946A Diversity combining for antennas |
| 04/30/1997 | CN1148907A 天线系统 Antenna System |
| 04/23/1997 | EP0769824A1 Electromagnetic lens of the type of a circuit printed on a suspended substrate |
| 04/22/1997 | US5623269 Mobile communication satellite payload |
| 04/17/1997 | WO1997014192A1 Very small aperture terminal and antenna for use therein |
| 04/09/1997 | CN1147160A Dual function antenna structure and portable radio having same |
| 04/08/1997 | US5619503 Cellular/satellite communications system with improved frequency re-use |
| 04/08/1997 | US5619210 Large phased-array communications satellite |
| 04/01/1997 | US5617108 Simplified tracking antenna |
| 03/27/1997 | WO1997011508A1 Aerial for a central station of a point-to-multi-point radio link system |
| 03/27/1997 | DE19535441A1 Antenne einer Zentralstation eines Punkt-zu-Mehrpunkt-Richtfunksystems Antenna of a central station of a point-to-multipoint microwave radio system |
| 03/25/1997 | CA2095656C Molded plastic microwave antenna |
| 03/19/1997 | EP0763307A2 Diversity combining for antennas |
| 03/19/1997 | CN1145698A Multiple beamwidth phased array |
| 03/18/1997 | US5612702 Dual-plane monopulse antenna |
| 02/25/1997 | US5606333 Low wind resistance antennas using cylindrical radiating and reflector units |
| 02/25/1997 | US5606332 Dual function antenna structure and a portable radio having same |
| 02/11/1997 | US5603089 Base station antenna arrangement |
| 02/11/1997 | US5602555 Base station antenna arrangement |
| 02/05/1997 | EP0756764A1 Low wind resistance antennas using cylindrical radiating and reflector units |
| 02/05/1997 | EP0756762A1 Antenna system |
| 02/04/1997 | US5600326 Adaptive digital beamforming architecture and algorithm for nulling mainlobe and multiple sidelobe radar jammers while preserving monopulse ratio angle estimation accuracy |
| 01/29/1997 | EP0755578A1 Multiple beamwidth phased array |
| 01/29/1997 | CN2246335Y Omnidirectional full frequency channel television antenna |
| 01/28/1997 | US5597136 Method of independently controlling a guided flying body bearing a warhead and arrangement for implementing the method |
| 01/22/1997 | EP0755094A1 An antenna array configuration |
| 01/22/1997 | EP0755090A1 An antenna downlink beamsteering arrangement |
| 01/22/1997 | EP0754355A1 A large phased-array communications satellite |
| 01/21/1997 | US5596329 Base station antenna arrangement |
| 01/15/1997 | EP0753211A1 High gain antenna systems for cellular use |
| 01/15/1997 | EP0753210A1 Angular diversity/spaced diversity cellular antennas and methods |
| 01/14/1997 | US5594941 A cellular/satellite communications system with generation of a plurality of sets of intersecting antenna beams |
| 01/07/1997 | US5592178 Wideband interference suppressor in a phased array radar |
| 01/03/1997 | WO1997000543A1 Method and apparatus for adaptive transmission beam forming in a wireless communication system |
| 12/31/1996 | US5589842 Compact microstrip antenna with magnetic substrate |
| 12/27/1996 | WO1996042120A1 Multiple narrow beam antenna transmission systems |
| 12/27/1996 | WO1996042119A1 Narrow beam antenna systems with angular diversity |
| 12/25/1996 | CN1138759A Patch antenna array capable of simultaneously receiving dual polarized signals |
| 12/18/1996 | EP0611501B1 Beam compensation methods for satellite communication system |
| 12/03/1996 | US5581265 Reflector antenna assembly for dual linear polarization |
| 12/03/1996 | US5581260 Angular diversity/spaced diversity cellular antennas and methods |
| 11/26/1996 | US5579010 Multibeam radar system |
| 11/21/1996 | WO1996037010A1 Cellular communication system having device coupling distribution of antennas to plurality of transceivers |
| 11/19/1996 | US5576721 Composite multi-beam and shaped beam antenna system |
| 11/19/1996 | US5576717 Base station antenna arrangement |
| 10/30/1996 | EP0740166A1 Compact vehicle based rear and side obstacle detection system including multiple antennae |
| 10/29/1996 | US5570098 Base station antenna arrangement |
| 10/15/1996 | US5566209 Transceiver algorithms of antenna arrays |
| 10/15/1996 | US5565873 Base station antenna arrangement |
| 10/09/1996 | CN2237287Y Omnibearing receiving aerial for TV set |
| 10/08/1996 | US5563614 Low noise dual polarization electromagnetic power reception and conversion system |
| 10/08/1996 | US5563610 Narrow beam antenna systems with angular diversity |
| 10/08/1996 | US5563609 Antenna system with plural beam sequential offset |
| 10/02/1996 | EP0735611A2 Patch antenna array capable of simultaneously receiving dual polarized signals |
| 09/25/1996 | EP0734093A1 Feeding device for a multibeam array antenna |
| 09/25/1996 | EP0733913A2 Radar module and antenna device |