Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 3 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
Patents for H01Q 3 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system (21,949)
11/1999
11/02/1999US5978125 Compact programmable photonic variable delay devices
11/02/1999US5977930 Phased array antenna provided with a calibration network
11/02/1999US5977918 Extendible planar phased array mast
11/02/1999US5977917 Antenna apparatus capable of producing desirable antenna radiation patterns without modifying antenna structure
11/02/1999US5977916 Difference drive diversity antenna structure and method
11/02/1999US5977914 Microstrip antenna
11/02/1999US5977911 Reactive combiner for active array radar system
11/02/1999US5977910 Multibeam phased array antenna system
11/02/1999US5977907 Method and system for antenna pattern synthesis based on geographical distribution of subscribers
11/02/1999US5977904 Structure of aperture antenna and radar system using same
11/02/1999US5977903 Scanning mechanism for vehicle- mounted radar
11/02/1999US5976287 Method and apparatus of stud array upstand setting
10/1999
10/28/1999WO1999055012A2 Antenna diversity system
10/28/1999WO1999054960A2 Phased array antenna calibration system and method using array clusters
10/27/1999EP0952747A2 Dual mode base station antenna with wide and narrow beams
10/27/1999EP0952674A2 Reception control system for automobiles
10/27/1999EP0952624A1 Electronic multibeam sweep antenna
10/27/1999EP0951770A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
10/27/1999CN1233374A Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
10/27/1999CN1233367A Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
10/27/1999CN1233358A Method of and apparatus for filtering intermodulation products in a radiocommunication system
10/27/1999CN1233084A Multi-filar helical antenna and portable radio
10/26/1999US5973642 Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference
10/26/1999US5973638 Smart antenna channel simulator and test system
10/26/1999CA2206194C Method and system for digital beam forming
10/24/1999CA2266224A1 Multi-mode/multi-rate fixed wireless communication system
10/21/1999WO1999009610A8 Antenna unit and signal switching circuit
10/21/1999DE19911905A1 Phase shifter element for aligning transmission antenna wave pattern
10/20/1999EP0951091A2 Wireless communications system having a space-time architecture employing multi-element antennas at both the transmitter and receiver
10/20/1999EP0951090A2 Antenna apparatus
10/20/1999CN1232325A Portable radio device
10/19/1999US5970393 Integrated micro-strip antenna apparatus and a system utilizing the same for wireless communications for sensing and actuation purposes
10/19/1999US5969690 Mobile radio antenna
10/19/1999US5969689 Multi-sector pivotal antenna system and method
10/19/1999US5969675 Method and system for beamformer primary power reduction in a nominally-loaded communications node
10/19/1999US5969661 Apparatus for and method of detecting a reflector within a medium
10/19/1999US5969639 Temperature measuring device
10/19/1999US5969321 Hand-held optically readable information set reader with operation over a range of distances
10/19/1999US5966991 Two degree-of-freedom spherical orienting device
10/14/1999WO1999052181A2 Multi-beam transmit array with low intermodulation
10/14/1999WO1999052180A1 Multilayer focusing spherical lens
10/14/1999WO1999052177A2 A portable communication device arranged for state-dependently controlling non-uniform selection patterns among possible antenna directivity configurations
10/14/1999WO1999052173A2 Phased array antenna calibration system and method
10/14/1999DE19905725A1 Array antenna structure of vehicle mounting radar
10/13/1999EP0949769A1 CDMA adaptive antenna receiving apparatus and communication system
10/13/1999EP0949710A1 Spherical multilayer focalising lens
10/13/1999EP0949709A1 Directivity control circuitry for an adaptive antenna
10/12/1999US5966638 Receiving apparatus, signal demodulating method, antenna apparatus, receiving system and antenna direction adjusting method
10/12/1999US5966099 For a communications device
10/12/1999US5966095 Adaptive array antenna receiving apparatus
10/12/1999US5966094 Base station antenna arrangement
10/12/1999US5966048 Low IMD amplification method and apparatus
10/12/1999CA2064327C Broadband phase shifter and vector modulator
10/07/1999WO1999051049A1 Base station and method of communication
10/07/1999WO1999050965A1 Radio receiver and method of reception
10/07/1999WO1999036992A3 Array antenna having multiple independently steered beams
10/06/1999EP0948229A1 Process for assigning channels in a cellular radio communication system
10/06/1999EP0948171A1 Adaptive equaliser using known and pseudo-known symbols
10/06/1999EP0948145A2 Radio communication apparatus and method with adaptive antenna array reception
10/06/1999EP0948083A2 Loop antenna device and its use in a data processing apparatus with a removal data storing medium
10/06/1999EP0948082A1 Adaptive antenna
10/06/1999EP0948081A1 Diversity antenna system
10/06/1999EP0947107A1 Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
10/06/1999EP0772786B1 Radar system including stabilization calibration arrangement
10/05/1999US5963853 Method and arrangement relating to a telecommunication system
10/05/1999US5963179 Variable azimuth mounting assembly for panel antennas
10/05/1999US5963174 Antenna device in car radar system
10/03/1999CA2266229A1 Process for assigning channels in a cellular radio communication system
10/03/1999CA2265102A1 A tapped delay line space/time processor weight estimating calculator
09/1999
09/29/1999EP0945915A2 Radio wave receiving apparatus having an improved antenna resolution
09/29/1999EP0944953A1 Intermodulation compensation in multi-channel amplifiers
09/29/1999EP0944933A1 Dual polarized electronically scanned antenna
09/29/1999CN1230312A System and method for reducing cumulative noise in distributed antenna network
09/29/1999CN1230311A System and method for equalizing delay time for transmission paths in distributed antenna network
09/28/1999US5960350 Method and system for optimizing a traffic channel in a wireless communications system
09/28/1999US5959589 Remote fire detection method and implementation thereof
09/28/1999US5959578 Antenna architecture for dynamic beam-forming and beam reconfigurability with space feed
09/23/1999WO1999048302A2 Wireless mobile station receiver structure with smart antenna canceller
09/23/1999WO1999036986A3 Boxhorn array architecture using folded junctions
09/23/1999WO1999035705A3 Electrically-controllable back-fed antenna
09/22/1999EP0943164A1 Antenna system for enhancing the coverage area, range and reliability of wireless base stations
09/21/1999US5955998 Electronically scanned ferrite line source
09/21/1999US5955991 Radar apparatus
09/16/1999WO1999046829A1 Adaptive cancellation of fixed interferers
09/16/1999WO1999034475A3 Robust antenna tracking system
09/15/1999EP0942489A1 Array antenna apparatus for use in spread spectrum communications with a particular interval between antenna elements
09/15/1999CN1228891A Signal processing method utilizing eigenvector corresponding to maximum eigenvalue of autocorrelation matrix of received signals for antenna array system
09/15/1999CN1228889A System and method for adaptive interference cancelling
09/14/1999US5952980 Low profile antenna positioning system
09/14/1999US5952979 For moving an article for receiving or sending a radio wave
09/14/1999US5952967 Low cost even numbered port modeformer circuit
09/14/1999US5952966 Antenna assembly
09/14/1999US5952965 Adaptive main beam nulling using array antenna auxiliary patterns
09/14/1999US5952964 Planar phased array antenna assembly
09/14/1999US5952962 Extended spatial acquisition method for tracking antennas
09/10/1999WO1999045609A1 System and method for directing an adaptive antenna array
09/10/1999WO1999045608A1 Powered device with two satellite antennae orientation positions
09/10/1999WO1999045517A1 Telemetry of diagnostic messages from a mobile asset to a remote station
09/10/1999CA2321730A1 System and method for directing an adaptive antenna array
09/08/1999EP0940924A2 Mobile terminal equipment for satellite and land mobile radio communication
1 ... 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 ... 220