Patents for H01Q 25 - Aerials or aerial systems providing at least two radiating patterns (4,128) |
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05/16/2002 | WO2001048509A3 Automotive radar system |
05/15/2002 | CN1349675A Atenna with continuous reflector for multiple reception of satellite beams |
05/15/2002 | CN1349315A Frequency multiple cellular/satelite communication system |
05/15/2002 | CN1349314A Frequency multiple cellular/satellite communication system |
05/15/2002 | CN1349310A Improved frequency multiplex cellular/satellite communication system |
05/14/2002 | US6388634 Multi-beam antenna communication system and method |
05/14/2002 | US6388633 Multibeam antenna |
05/08/2002 | EP1203422A2 Antenna diversity arrangement |
05/08/2002 | DE10106821C1 Base station circuit for mobile radio communications system analogue carrier frequency signals provided by base station combined for providing signal for non-adaptive antenna |
05/02/2002 | WO2002035650A1 Phase-only reconfigurable multi-feed reflector antenna for shaped beams |
05/02/2002 | WO2001052447A3 Repeaters for wireless communication systems |
05/02/2002 | EP1202389A1 Transmission antenna directivity control apparatus and method |
04/30/2002 | US6380910 Wireless communications device having a compact antenna cluster |
04/30/2002 | US6380893 Ground-based, wavefront-projection beamformer for a stratospheric communications platform |
04/25/2002 | WO2001069798A3 Device and method for an antenna array with switchable wide-angle coverage |
04/24/2002 | EP1199770A1 Slot fed switch beam patch antenna |
04/24/2002 | CN1346525A Beamforming method and device |
04/23/2002 | US6377558 Multi-signal transmit array with low intermodulation |
04/23/2002 | US6377224 Dual band microwave radiating element |
04/23/2002 | US6377213 Wave arrival direction estimating method and antenna apparatus having wave arrival direction estimating function |
04/18/2002 | WO2002031919A1 Antenna array |
04/18/2002 | WO2002031915A2 Tracking antenna and method |
04/18/2002 | WO2002031908A2 Indoor antenna |
04/18/2002 | US20020044615 Signal extraction method and apparatus in wireless communication system |
04/18/2002 | US20020044082 Radar detection method and apparatus |
04/17/2002 | CN1345133A Channelling-improved cellular/satellite communication system |
04/17/2002 | CN1345130A Channelling-improved cellular/satellite communication system |
04/17/2002 | CN1345129A Channeling-improved cellular/satellite communication system |
04/16/2002 | US6374104 Frequency and polarization allocation for satellite telecommunication systems |
04/16/2002 | US6373449 Hybrid inflatable antenna |
04/16/2002 | US6373445 Converter for antenna to receive signals from two satellites |
04/16/2002 | US6373435 Radio direction and position finding apparatus |
04/16/2002 | CA2230313C Downlink beam forming architecture for heavily overlapped beam configuration |
04/10/2002 | EP1195849A2 Antenna device, communication apparatus and radar module |
04/10/2002 | EP1194791A1 Ultrasound probe with integrated electronics |
04/09/2002 | US6369746 Simultaneous nulling in low sidelobe sum and difference antenna beam patterns |
04/04/2002 | WO2001099240A3 System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency |
04/04/2002 | US20020039083 Reconfigurable antenna |
04/04/2002 | DE10025987C2 Verfahren zum Steuern der Downlink-Strahlformung Method for controlling the downlink beamforming |
04/03/2002 | EP1193791A1 Mobile Radio System and Antenna Assembly Having Permanently Assigned Directional Characteristics |
04/03/2002 | CN1343403A Radio base station apparatus and radio communication method |
04/02/2002 | US6366895 Method and apparatus for determining and forming delayed waveforms for forming transmitting or receiving beams for a sonar system array of transmitting or receiving elements |
04/02/2002 | US6366257 Integrated dual beam reflector antenna |
04/02/2002 | US6366256 Multi-beam reflector antenna system with a simple beamforming network |
04/02/2002 | US6366238 Phased array beamformer module driving two elements |
03/28/2002 | WO2002025775A1 Ultra-wideband multi-beam adaptive antenna |
03/28/2002 | US20020036587 Domed divergent lens for microwaves and an antenna incorporating it |
03/27/2002 | EP1191630A1 High frequency diverging dome shaped lens and antenna incorporating such lens |
03/27/2002 | EP1191628A1 Multi-beam reflector antenna system with a simple beamforming network |
03/27/2002 | EP1190467A2 Multiple-beam antenna employing dielectric filled feeds for multiple and closely spaced satellites |
03/27/2002 | EP0944933B1 Dual polarized electronically scanned antenna |
03/26/2002 | US6362796 Broadband antenna |
03/26/2002 | US6362787 Lightning protection for an active antenna using patch/microstrip elements |
03/26/2002 | US6362780 Multi-beam phase-array antenna device |
03/25/2002 | CA2356725A1 Dome-type divergent lens for microwaves and antenna comprising such a lens |
03/21/2002 | WO2002023670A1 Method of generating directional antenna beams, and radio transmitter |
03/21/2002 | WO2001071849A3 Reconfigurable antenna |
03/20/2002 | EP1189303A2 Beam forming method and apparatus in a wireless communication system |
03/20/2002 | CN1081395C 天线系统 Antenna System |
03/14/2002 | WO2001065642A3 Multibeam antenna for establishing individual communication links with satellites positioned in close angular proximity to each other |
03/12/2002 | US6356771 Radio communications system with adaptive polarization |
03/12/2002 | US6356242 Crossed bent monopole doublets |
03/07/2002 | WO2001071843A3 Antenna diversity arrangement |
03/06/2002 | EP1184940A2 Indirect radiating array techniques |
03/06/2002 | EP1184937A1 Adaptive base station antenna and method for wireless communications |
03/06/2002 | CN2480997Y Dipole antenna assembly |
03/06/2002 | CN1080487C Transceiver algorithms of antenna arrays |
03/05/2002 | US6353410 Space tapered antenna having compressed spacing or feed network phase progression, or both |
02/28/2002 | WO2001071819A3 Surface pin device |
02/28/2002 | US20020024477 Motor-drive device for sensors in a receiver and/or transmitter with spherical electromagnetic lens and receiver and/or transmitter comprising such a device |
02/27/2002 | EP1182732A2 Arrayed fed multiple beam reflector antenna system and beam generation method |
02/27/2002 | EP1181743A1 Determining and forming delayed waveforms |
02/27/2002 | CN2479655Y Printing dipole antenna |
02/26/2002 | US6351244 Arrangement for use in an antenna array for transmitting and receiving at at least one frequency in at least two polarizations |
02/26/2002 | US6351243 Sparse array antenna |
02/21/2002 | WO2002015334A1 Switched beam antenna architecture |
02/21/2002 | WO2002015323A2 Highly integrated single substrate mmw multi-beam sensor |
02/21/2002 | WO2002014900A2 Video amplifier for a radar receiver |
02/21/2002 | WO2002014898A2 Near object detection system |
02/21/2002 | WO2002014891A2 Automotive radar systems and techniques |
02/21/2002 | WO2002014098A2 Safe distance algorithm for adaptive cruise control |
02/21/2002 | US20020021246 Dual mode switched beam antenna |
02/20/2002 | EP0806121B1 Method and apparatus for providing redundant radio coverage within a cellular communication system |
02/14/2002 | WO2002012916A1 Radio frequency receiving circuit having a passive monopulse comparator |
02/14/2002 | CA2418092A1 Radio frequency receiving circuit having a passive monopulse comparator |
02/13/2002 | CN1336044A Multi-transmitter system |
02/13/2002 | CN1336025A An antenna array system |
02/12/2002 | US6347220 Multiple-beam antenna system of wireless base station |
02/12/2002 | US6346923 Localizer antenna system |
02/12/2002 | CA2268393C Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
02/09/2002 | CA2351817A1 Adaptive antenna system and method |
02/07/2002 | DE10034911A1 Antenne für Mehrfrequenzbetrieb Antenna for multi-frequency operation |
02/06/2002 | EP1178332A1 Multibeam Radar System and method of operating such a system |
02/06/2002 | EP1177601A1 Antenna with continuous reflector for multiple reception of satellite beams |
02/06/2002 | EP0624919B1 Multi-beam antenna apparatus |
02/06/2002 | CN1334618A Dish antenna with multi-beam reflection surface and its forming method |
02/05/2002 | US6344832 Frequency converter arrangement for parabolic antennae |
01/31/2002 | WO2000060885A9 Point-to-multipoint two-way broadband wireless communication system |
01/31/2002 | US20020012289 Multi-dimensional beamforming device |
01/31/2002 | US20020011962 Variable beamwidth and zoom contour beam antenna systems |