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)
06/1998
06/09/1998US5764185 Method and apparatus for controlling antenna and tracking antenna system using the same
06/03/1998EP0845834A2 Method and apparatus for reconfiguring antenna radiation patterns
06/03/1998EP0845833A2 On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing
06/03/1998CN1183879A Two-way paging system and apparatus
06/02/1998US5761605 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
06/02/1998US5761351 Wavelength-addressable optical time-delay network and phased array antenna incorporating the same
06/02/1998US5760748 Survey instrument
06/02/1998US5760741 Beam forming network for multiple-beam-feed sharing antenna system
06/02/1998US5760739 Method and apparatus for aiming a directional antenna
06/02/1998US5760735 Phase stationary test body
06/02/1998US5760327 Superconducting radar decoys and camouflage
05/1998
05/28/1998WO1998023101A1 Adaptive beamforming for wireless communication
05/28/1998WO1998022992A2 Direct broadcast satellite system for multiple dwelling units
05/28/1998CA2270429A1 Direct broadcast satellite system for multiple dwelling units
05/27/1998EP0844759A1 Artificial fading for frequency offset mitigation
05/27/1998EP0844686A1 System of transmit relay station
05/26/1998US5757335 Dish antenna structures and hydraulic control of the orientation thereof
05/26/1998US5757319 Ultrabroadband, adaptive phased array antenna systems using microelectromechanical electromagnetic components
05/26/1998US5757318 Narrow beam wireless systems with angularly diverse antennas
05/22/1998WO1998021779A1 Electrically variable beam tilt antenna
05/20/1998EP0843494A2 TDM-based fixed wireless loop system and method for beam forming
05/20/1998EP0843381A2 Multibeam antenna
05/20/1998EP0843380A2 Wireless mobile communication system
05/20/1998EP0843376A2 Constitution of protrusible external and fixed internal antenna for radio portable remote terminal device
05/20/1998CN1182220A Phased array optical equipment and method
05/19/1998US5754597 Method and apparatus for routing a digitized RF signal to a plurality of paths
05/19/1998US5754145 Printed antenna
05/19/1998US5754139 Method and intelligent digital beam forming system responsive to traffic demand
05/19/1998US5754138 Method and intelligent digital beam forming system for interference mitigation
05/19/1998US5752676 Spacecraft with integrated array of solar cells and electronically scannable antenna
05/14/1998WO1998020628A1 Aperture-to-receiver gain equalization in multi-beam receiving systems
05/14/1998CA2242042A1 Aperture-to-receiver gain equalization in multi-beam receiving systems
05/13/1998EP0841827A2 TDM-based fixed wireless loop system
05/13/1998EP0841759A1 Calibration method of base station transmission equipped with a multi-element antenna
05/13/1998EP0840961A1 Self-calibration apparatus and method for communication device
05/13/1998CN1181641A Stabilisation of phased array antennas
05/13/1998CN1181640A Multifunction structurally integrated VHF-UHF aircraft antenna system
05/12/1998US5752200 Modular interconnect matrix for matrix connection of a plurality of antennas with a plurality of radio channel units
05/12/1998US5752173 Diversity communication system with adaptably oriented multiple beam patterns
05/12/1998US5752167 Radio propagation simulation method, wave field strength inference method and three-dimensional delay spread inference method
05/12/1998US5751254 Feed movement mechanism and control system for a multibeam antenna
05/12/1998US5751249 Radio transmission system and a radio apparatus for use in such a system
05/12/1998US5751248 Phased array beam controller using integrated electro-optic circuits
05/12/1998US5751247 Fixed earth station
05/07/1998WO1998019488A1 Determination of terminal location in a radio system
05/07/1998WO1998019360A1 Calibration method and arrangement
05/06/1998EP0840394A2 Ultrabroadband, adaptive phased array antenna systems using microelectromechanical electromagnetic components
05/06/1998EP0840393A2 Antenna system for a satellite supported navigating missile
05/06/1998EP0840140A1 Antenna apparatus
05/06/1998CN2281004Y Satellite antenna pointing-direction controlling device
05/06/1998CN1180963A Estimator of direction of desired signal
05/05/1998US5749046 Signal level measuring apparatus for directing an antenna toward a satellite
05/05/1998US5748683 Multi-channel transceiver having an adaptive antenna array and method
05/05/1998US5748156 High-performance antenna structure
05/05/1998US5748151 Low radar cross section (RCS) high gain lens antenna
04/1998
04/30/1998WO1998018272A1 Spectrally efficient high capacity wireless communication systems with spatio-temporal processing
04/30/1998WO1998018271A2 Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization
04/30/1998DE19644686A1 Verfahren zur Kalibrierung sowie Anordnung Methods for the calibration and configuration
04/30/1998DE19642811A1 Directional radar antenna adjustment method
04/30/1998CA2217354A1 Method and intelligent digital beam forming system with improved signal quality communications
04/29/1998EP0838876A1 Apparatus for satellite reception including a planar antenna
04/28/1998US5745858 Base station transmitter/receiver capable of varying composite directivity of antennas
04/28/1998US5745084 Very small aperture terminal & antenna for use therein
04/28/1998US5745082 Radiation sensor
04/28/1998US5745077 High efficiency satellite equally loaded transmitting communication system
04/28/1998US5745076 Transmit/receive module for planar active apertures
04/23/1998WO1998017071A1 Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
04/23/1998WO1998017037A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/23/1998WO1998017022A2 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
04/23/1998CA2268262A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/23/1998CA2268260A1 Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
04/22/1998EP0837567A2 Airborne broadband communication network
04/22/1998EP0837523A2 Adaptive antenna
04/22/1998EP0837522A2 Adaptive antenna arrangement for a radio communications system
04/22/1998EP0837340A2 Estimator of direction of desired signal
04/22/1998CN1179856A Apparatus and method for adaptive beamforming in antenna array
04/22/1998CN1179634A Small-sized wireless device
04/21/1998US5742584 For a land mobile radio system
04/21/1998US5742253 System and method for controlling the phase of an antenna array
04/15/1998EP0836290A2 Satellite communication method using satellites on substantially circular orbit, inclined to the equatorial plane with period matching the earth period
04/15/1998EP0836240A2 Small-sized wireless device
04/15/1998CN1179255A Fixed station of a mobile radio telephone system
04/14/1998US5740164 Traffic routing for satellite communication system
04/14/1998US5739796 Ultra-wideband photonic band gap crystal having selectable and controllable bad gaps and methods for achieving photonic band gaps
04/14/1998US5739795 Portable receiver with antenna
04/14/1998US5739788 Adaptive receiving antenna for beam repositioning
04/14/1998US5739784 Method and beam stepping apparatus for a satellite cellular communication system
04/10/1998CA2217615A1 Satellite communication method
04/09/1998WO1998015030A1 Microstrip antenna with control of the direction of the axis of maximum radiation
04/08/1998EP0834955A2 Feed networks for antennae
04/07/1998US5736966 Adjustable microwave antenna
04/07/1998US5736963 Feed device for a multisource and multibeam antenna
04/07/1998US5736959 Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas
04/07/1998US5736907 For controlling the pointing of an antenna aboard an orbiting satellite
04/02/1998WO1998014024A1 Communication system with a beamformed control channel and method of system control
04/02/1998WO1998013950A1 Apparatus and method for providing wireless communication to a sectorized coverage area
04/02/1998DE19642810C1 Directional radar system for anticollision and vehicle speed measurement
04/02/1998CA2237259A1 Apparatus and method for providing wireless communication to a sectorized coverage area
04/01/1998EP0833403A2 Communication system comprising an active-antenna repeater
04/01/1998EP0832509A1 Method and apparatus for adaptive transmission beam forming in a wireless communication system
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