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