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)
11/1998
11/03/1998US5832365 Communication system comprising an active-antenna repeater
11/03/1998US5831582 Multiple beam antenna system for simultaneously receiving multiple satellite signals
10/1998
10/29/1998WO1998048480A1 Antenna system
10/29/1998WO1998048476A1 Radar equipment, specially for a motor vehicle
10/29/1998WO1998048472A1 A method for improving antenna performance parameters and an antenna arrangement
10/29/1998WO1998034294A3 Multi-dimensional beamforming device
10/29/1998WO1998032188A3 Direct digital synthesizer driven phased array antenna
10/29/1998CA2287357A1 Antenna system
10/29/1998CA2286613A1 A method for improving antenna performance parameters and an antenna arrangement
10/28/1998EP0874475A2 Adaptive antenna array using a combined coherent and constant modulus reference signal
10/27/1998US5828658 Spectrally efficient high capacity wireless communication systems with spatio-temporal processing
10/27/1998US5828346 For emitting signals and receiving signals emitted from another card
10/27/1998US5828338 Thyratron switched beam steering array
10/27/1998US5828337 Vehicle-mounted satellite signal receiving apparatus
10/22/1998WO1998047020A1 Scanning apparatus
10/22/1998DE19715997A1 Radaranordnung, insbesondere für Kraftfahrzeuge Radar system, especially for motor vehicles
10/22/1998CA2232337A1 Adaptive antenna array processing arrangement using a combined coherent and constant-modulus reference signal
10/21/1998EP0872040A1 A reception method and a receiver
10/21/1998EP0872039A1 Method for providing angular diversity, and base station equipment
10/21/1998EP0872038A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0872037A1 Base station equipment, and a method for steering an antenna beam
10/21/1998EP0629316B1 Optical self-heterodyne remote antenna system
10/20/1998US5825898 System and method for adaptive interference cancelling
10/20/1998US5825814 High speed, high and medium frequency communication system
10/20/1998US5825762 Apparatus and methods for providing wireless communication to a sectorized coverage area
10/20/1998US5825333 Offset multibeam antenna
10/20/1998US5825332 Multifunction structurally integrated VHF-UHF aircraft antenna system
10/20/1998US5825329 Modulated backscatter microstrip patch antenna
10/15/1998WO1998045893A1 An antenna unit for transmitting and receiving signals from/to a portable radio terminal unit and a portable radio unit
10/15/1998WO1998032239A3 Jamming suppression of spread spectrum antenna/receiver systems
10/14/1998CN1195900A Multibeam antenna
10/13/1998US5822477 Scannable semiconductor light-activated reflector for use at millimeter-wave frequencies
10/13/1998US5821905 Microwave antenna regulating device for an automatic door
10/13/1998US5821901 Antenna system
10/08/1998WO1998044591A1 Adjustable array antenna
10/08/1998WO1998044584A1 Universal support structure particularly of a parabolic antenna, aiming at the adjusting of at least the azimuth
10/07/1998EP0869578A1 Adaptive reception diversity apparatus and adaptive transmission diversity apparatus
10/07/1998EP0869577A1 Adaptive transmission diversity apparatus and adaptive transmission diversity method
10/07/1998EP0868764A1 Low-cost communication phased-array antenna
10/07/1998CN1195240A Adaptive transmission diversity apparatus and adaptive transmission diversity method
10/06/1998US5819185 Portable satellite communication apparatus
10/06/1998US5819168 Adaptive communication system and method using unequal weighting of interface and noise
10/06/1998US5819164 Modulated retroreflection system for secure communication and identification
10/06/1998US5818883 Multi-channel digital transceiver and method
10/06/1998US5818393 Wide field-of-view fixed body conformal antenna direction finding array
10/06/1998US5818386 Design of an electronic beam forming network for phased array applications
10/06/1998US5818385 Communication system for controlling radiation patterns
10/01/1998WO1998043459A2 Method for channel evaluation using receive signals transmitted via a radio channel
10/01/1998WO1998043315A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
10/01/1998CA2284045A1 Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture
09/1998
09/30/1998EP0867972A1 Aperture antenna and radar system using same
09/30/1998EP0867970A2 Radio transmitting apparatus and gain control method for the same
09/30/1998EP0867969A2 Directional beam antenna device and directional beam controlling apparatus
09/30/1998EP0867052A1 Antenna assembly and associated method for radio communication device
09/30/1998CN1194741A Self caliberation apparatus and method for communication device
09/30/1998CA2217813A1 Subspace combining of antenna beams in a mobile radio base site
09/29/1998US5815124 Evanescent coupling antenna and method for use therewith
09/29/1998US5815116 Personal beam cellular communication system
09/29/1998US5815115 High speed wireless transmitters and receivers
09/29/1998US5815112 Planar array antenna and phase-comparison monopulse radar system
09/24/1998WO1998042150A2 Downlink smart antennas for is-54/is-136 tdma systems
09/24/1998WO1998042093A1 Calibration device for array antenna wireless receiver
09/24/1998WO1998042042A1 Antenna for orbiting satellite
09/24/1998WO1998042041A1 Variable directivity antenna and method of controlling variable directivity antenna
09/24/1998DE19711655A1 Integral monitor network for instrument landing system
09/24/1998CA2284872A1 Antenna for orbiting satellite
09/23/1998EP0865692A1 Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
09/22/1998US5812605 Multi-channel digital transceiver and method
09/22/1998US5812220 Television transmission system having signal and antenna element redundancy
09/22/1998US5812089 Apparatus and method for beamforming in a triangular grid pattern
09/22/1998US5812088 Beam forming network for radiofrequency antennas
09/22/1998US5812084 In a computer
09/17/1998WO1998040761A1 Satellite tracking system
09/16/1998EP0865099A2 Method and apparatus for controlling array antenna
09/16/1998EP0864186A1 Microwave transceiver/antenna system with adjustable mounting and alignment mechanism
09/15/1998US5809087 Coherent detection architecture for remote calibration of coherent systems
09/15/1998US5809063 Coherent detection architecture for remote calibration of coherent systems using direct sequence spread spectrum transmission of reference and calibration signals
09/15/1998US5808913 Signal processing apparatus and method for reducing the effects of interference and noise in wireless communications utilizing antenna array
09/15/1998US5808583 System for using sunshine and shadows to locate unobstructed satellite reception sites and for orientation of signal gathering devices
09/11/1998WO1998039856A1 Method and system for improving communication
09/11/1998WO1998039851A1 Cellular communications systems
09/11/1998WO1998039818A1 A method and an apparatus for calibrating a phased array antenna
09/09/1998CN1192596A Shared antenna and portable radio device using the same
09/08/1998US5806001 Radio base station for offset phase transmission
09/08/1998US5805983 System and method for equalizing the delay time for transmission paths in a distributed antenna network
09/08/1998US5805575 Apparatus and method for providing a beacon signal in a wireless communication system
09/08/1998US5805115 Rotary microwave antenna system
09/08/1998US5805109 Antenna system
09/08/1998US5804805 Hand-held optical indicia reader having a controlled oscillating system for optimal indicia reading
09/03/1998WO1998038693A1 Versatile antenna array for multiple pencil beams and efficient beam combinations
09/03/1998WO1998038692A1 Adaptable directional antenna for hand-held terminal application
09/03/1998WO1998017022A3 Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals
09/02/1998EP0765482B1 Radar apparatus
09/01/1998US5802484 Adaptive antenna structure for a computational device
09/01/1998US5801600 Variable differential phase shifter providing phase variation of two output signals relative to one input signal
08/1998
08/27/1998WO1998037591A1 Satellite dish antenna stabilizer platform
08/27/1998DE19705795A1 Radar system on board of moving platform
08/26/1998EP0860890A1 Continuously variable phase-shifter for electrically down-tilting an antenna
08/26/1998EP0860059A1 Apparatus and method for signal transmission and reception using an adaptive antenna
08/26/1998CN1191460A Wireless base station equipment
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