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