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) |
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08/25/1998 | US5798734 Antenna apparatus, method of manufacturing same and method of designing same |
08/25/1998 | US5798675 Continuously variable phase-shifter for electrically down-tilting an antenna |
08/25/1998 | CA2220745A1 Continuously variable phase-shifter for electrically down-tilting an antenna |
08/20/1998 | WO1998036599A1 Method and apparatus for directional radio communication |
08/20/1998 | WO1998036598A1 Method and apparatus for directional radio communication |
08/20/1998 | WO1998036597A1 Method and apparatus for directional radio communication |
08/20/1998 | WO1998036596A1 Method and apparatus for directional radio communication |
08/20/1998 | WO1998036471A1 Method and apparatus for directional radio communication |
08/20/1998 | DE19705834A1 Distance measurement device for motor vehicles which operates with microwaves |
08/19/1998 | EP0859426A2 A low cost Butler matrix modeformer circuit |
08/19/1998 | EP0858606A1 Microwave energy implemented aircraft landing system |
08/19/1998 | EP0761019A4 Dual rectangular patch antenna system |
08/19/1998 | CN1190806A Antenna switching device for radio mobile telephone set |
08/18/1998 | US5797083 Self-aligning satellite receiver antenna |
08/18/1998 | US5797082 Communication receiver for receiving satellite broadcasts |
08/18/1998 | US5796881 Lightweight antenna and method for the utilization thereof |
08/18/1998 | US5796510 Ladder-structured photonic variable delay device |
08/18/1998 | US5796370 Orientable antenna with conservation of polarization axes |
08/13/1998 | WO1998035402A1 Antenna with variable geometry |
08/13/1998 | CA2279987A1 Antenna with variable geometry |
08/11/1998 | US5793798 Virtual beam system |
08/11/1998 | US5793338 Quadrifilar helix antenna and feed network |
08/11/1998 | US5793332 For use in a mobile airborne system |
08/06/1998 | WO1998034294A2 Multi-dimensional beamforming device |
08/06/1998 | WO1998018271A3 Wireless communication network using time-varying vector channel equalization for adaptive spatial equalization |
08/06/1998 | CA2279291A1 Multi-dimensional beamforming device |
08/05/1998 | EP0856908A1 Antenna beamforming device for channel multiplex systems |
08/05/1998 | EP0856905A1 Windowpane antenna apparatus for use in vehicles |
08/05/1998 | EP0705486B1 Radiation sensor |
08/04/1998 | US5790517 Power sharing system for high power RF amplifiers |
08/04/1998 | US5790075 Beam antenna direction measuring method, direction measuring device and antenna direction controller |
08/04/1998 | US5790071 Method for determining orientation and attitude of a satellite- or aircraft-borne phased-array antenna |
08/04/1998 | US5789750 Optical system employing terahertz radiation |
08/03/1998 | CA2226334A1 Unit for forming a beam of multiplex channels |
07/30/1998 | WO1998033233A1 Directional-beam generative apparatus and associated method |
07/30/1998 | DE19802866A1 Diversity reception arrangement for mobile communication |
07/29/1998 | EP0855092A1 Method and system for communicating electromagnetic signals |
07/29/1998 | CN1188995A Antenna apparatus and transmission and receiving apparatus using same |
07/28/1998 | US5787335 Direct broadcast satellite system for multiple dwelling units |
07/23/1998 | WO1998032239A2 Jamming suppression of spread spectrum antenna/receiver systems |
07/23/1998 | WO1998032188A2 Direct digital synthesizer driven phased array antenna |
07/21/1998 | US5784336 Delay scheme and apparatus for focussing the transmission and reception of a summed ultrasonic beam |
07/21/1998 | US5784032 For use in a radio telephone |
07/21/1998 | US5784031 Versatile anttenna array for multiple pencil beams and efficient beam combinations |
07/21/1998 | US5784030 Calibration method for satellite communications payloads using hybrid matrices |
07/15/1998 | EP0853350A2 Mobile tracking antenna made by semiconductor processing technique |
07/15/1998 | CN1039174C Plane array antenna for receiving satellite broadcasting |
07/14/1998 | US5781162 Phased array with integrated bandpass filter superstructure |
07/14/1998 | US5781157 Multiple beam radar system with enhanced sidelobe supression |
07/09/1998 | WO1998029920A1 Electronics unit for wireless transfer of signals |
07/09/1998 | WO1998022992A3 Direct broadcast satellite system for multiple dwelling units |
07/08/1998 | EP0852409A2 Antenna apparatus and transmission and receiving apparatus using same |
07/08/1998 | EP0852408A1 Self-tuning material and method of manufacturing the same |
07/08/1998 | EP0852407A2 Adaptive antenna |
07/08/1998 | CN1187054A Antenna for motor vehicles |
07/07/1998 | US5778324 Antenna downlink beamsteering arrangement |
07/07/1998 | US5777579 Low cost butler matrix modeformer circuit |
07/07/1998 | US5777526 Method of manufacturing a microstrip transmission device |
07/01/1998 | EP0851618A2 Method and system for controlling remote multipoint stations |
07/01/1998 | EP0851529A2 Method for estimating the precise orientation of a satellite-borne phased array antenna and bearing of a remote receiver |
07/01/1998 | CN1186388A Tranmission/reception apparatus |
06/30/1998 | US5774090 Method and device to broaden the radiation pattern of an active antenna |
06/30/1998 | US5774045 Arrangement for detecting objects in a region to be monitored |
06/30/1998 | US5771567 Methods of fabricating continuous transverse stub radiating structures and antennas |
06/25/1998 | WO1998027645A1 Intermodulation compensation in multi-channel amplifiers |
06/25/1998 | WO1998027611A1 Large instantaneous bandwidth reflector array |
06/25/1998 | WO1998027440A1 Transponder with a microwave receive antenna |
06/25/1998 | DE19652324A1 Transponder mit einer Mikrowellen-Empfangsantenne Transponder with a microwave receiving antenna |
06/25/1998 | CA2274914A1 Intermodulation compensation in multi-channel amplifiers |
06/24/1998 | EP0849892A2 Signal multiplexing method and transmitting/receiving apparatus therefor |
06/24/1998 | CN1185864A Satellite communication device mounted on mobile body |
06/24/1998 | CN1038887C Active transmit phased array antenna |
06/23/1998 | US5771449 Sectorized multi-function communication system |
06/23/1998 | US5771439 Adaptive antenna system and method for cellular and personal communication systems |
06/23/1998 | US5771021 Transponder employing modulated backscatter microstrip double patch antenna |
06/23/1998 | US5771019 Method and system for determining the location of a sense antenna associated with a phased array communication system |
06/23/1998 | US5771016 Phased array radar with simultaneous beam-steering and single-sideband modulation |
06/23/1998 | US5770472 Method for making monolithically integrated signal processing circuit having active and passive components |
06/18/1998 | WO1998026472A1 Dual polarized electronically scanned antenna |
06/17/1998 | CN1185251A Reception method and receiver |
06/17/1998 | CN1185250A Base station equipment, and method for steering antenna beam |
06/17/1998 | CN1185249A Method for providing angular diversity, and base station equipment |
06/17/1998 | CN1185248A Base station equipment and method for steering antenna beam |
06/17/1998 | CN1185245A Process and receiver for reconstruction of signals distorted by multi-directional diffusion |
06/16/1998 | US5768698 Radio receiving system with adaptive antennas having reduced variation of amplification |
06/16/1998 | US5767814 Mast mounted omnidirectional phase/phase direction-finding antenna system |
06/16/1998 | US5767807 Communication system and methods utilizing a reactively controlled directive array |
06/16/1998 | US5767806 Phased-array antenna apparatus |
06/16/1998 | US5767805 Method for the broadening of a volume antenna beam |
06/11/1998 | WO1998025362A1 Method and system for optimizing a traffic channel in a wireless communications system |
06/10/1998 | EP0847103A2 Shared antenna and portable radio device using the same |
06/10/1998 | DE19709244C1 Switching matrix, especially for antenna array |
06/10/1998 | CN1184563A An antenna device with two radiating elements having an adjustable phase difference between the radiating elements |
06/10/1998 | CN1184562A Device for adjusting the beam direction of an antenna, and feed line structure therefor |
06/10/1998 | CN1184561A Wide antenna lobe |
06/09/1998 | US5764194 Antenna orientation assembly |
06/09/1998 | US5764193 Diversity antenna for radio communications |
06/09/1998 | US5764192 Wide field-of-view fixed body conformal antenna direction finding array |
06/09/1998 | US5764187 For transmitting and receiving signals |
06/09/1998 | US5764186 Setting apparatus and method of antenna for satellite broadcasting |