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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05/05/1993 | EP0540249A1 Processing method for antenna patterns |
05/05/1993 | EP0540125A1 Satellite antenna system |
05/05/1993 | EP0540124A1 Satellite antenna system |
04/29/1993 | WO1993008647A1 Aerial reception process |
04/28/1993 | EP0539297A1 Device with adjustable frequency selective surface |
04/27/1993 | US5206954 Satellite signal receiving apparatus |
04/27/1993 | US5206655 High-yield active printed-circuit antenna system for frequency-hopping space radar |
04/27/1993 | US5206613 Measuring the ability of electroptic materials to phase shaft RF energy |
04/22/1993 | DE4134415A1 Antennenempfangsverfahren Antenna reception method |
04/20/1993 | US5204686 RF Feed array |
04/15/1993 | WO1993007509A1 Radar target with delayed reply means |
04/14/1993 | CN2129982Y Remote control adjusting direction tv receiving antenna |
04/13/1993 | US5202776 Time delay beam formation |
04/13/1993 | US5202697 Low-profile steerable cardioid antenna |
04/08/1993 | DE4203376C1 Beaming antenna with adjustable response from switchable lobe patterns - has additional search reflector of smaller dia. assigned to exciter |
04/07/1993 | EP0535374A1 Radar device with an azimuthal rotating antenna system |
04/06/1993 | US5201072 Tuner for diversity reception having a fixed antenna and a retractive antenna |
03/31/1993 | EP0534862A1 An electronic scanning antenna |
03/31/1993 | EP0534617A1 Method for reducing side lobes in antenna patterns |
03/30/1993 | US5198827 Dual reflector scanning antenna system |
03/30/1993 | US5198821 Method and device for the on-line testing of a multiple-source antenna |
03/27/1993 | CA2079193A1 Electronic sweep antenna |
03/23/1993 | US5196774 Digital servo system |
03/17/1993 | EP0531979A1 Mobile object discriminating system |
03/17/1993 | EP0531877A1 FM radar system |
03/17/1993 | EP0315689B1 Deterministic thinned aperture phased antenna array |
03/16/1993 | US5194874 Satellite antenna tracking system |
03/16/1993 | US5194873 Antenna system providing a spherical radiation pattern |
03/16/1993 | CA1314628C Deterministic thinned aperture high gain phased array |
03/16/1993 | CA1314609C Distributed-array radar system comprising an array of interconnected elementary satellites |
03/02/1993 | US5191349 Apparatus and method for an amplitude monopulse directional antenna |
03/02/1993 | US5191339 Phased-array antenna controller |
02/23/1993 | US5189433 Slotted microstrip electronic scan antenna |
02/18/1993 | DE4126632A1 Directional reflector aerial for reception of communications satellite - has specified prediction angle for reduction of declination adjustment |
02/16/1993 | US5187487 Compact wide tunable bandwidth phased array antenna controller |
02/16/1993 | US5187486 Method of and apparatus for automatically calibrating a phased-array antenna |
02/10/1993 | CN2126936Y 卧式天线 Horizontal Antenna |
02/10/1993 | CN1068912A Decameter-wave antenna with improved resistance to wind |
02/04/1993 | WO1993002486A1 Multibeam lens antenna |
02/04/1993 | DE4138782C1 Direction finder antenna with adjacent passive dipole elements - has diode switch between input and output of transformer at point where balanced input voltage is zero w.r.t. earth |
02/02/1993 | US5184140 Antenna system |
02/02/1993 | US5184136 Pulse radar and components therefor |
01/27/1993 | EP0524878A1 Microwave semiconductor absorber with optical command |
01/27/1993 | EP0524622A1 Antenna array for ultra-high frequencies |
01/27/1993 | CN1068446A Three-purpose arched horizontal sw antenna |
01/26/1993 | US5182562 Forward looking radar |
01/21/1993 | WO1993001663A1 Telecommunications system using directional antennas |
01/20/1993 | EP0524045A1 Antenna for decametric waves with reduced wind load |
01/20/1993 | EP0524001A1 Multi-port microwave coupler |
01/20/1993 | EP0524000A1 Multi-port microwave coupler |
01/20/1993 | EP0523422A1 Directional scanning circular phased array antenna |
01/20/1993 | EP0523409A1 Electronically reconfigurable antenna |
01/19/1993 | CA2073793A1 Multi-port microwave coupler |
01/16/1993 | CA2071715A1 Directional scanning circular phased array antenna |
01/16/1993 | CA2071714A1 Electronically reconfigurable antenna |
01/13/1993 | EP0522310A2 Control apparatus for an FM receiver having plural antennas |
01/12/1993 | US5179386 Cylindrical phased array antenna system to produce wide open coverage of a wide angular sector with high directive gain and strong capability to resolve multiple signals |
01/07/1993 | WO1993000722A1 Flat aerial |
01/07/1993 | EP0521377A2 Microstrip patch antenna structure |
01/05/1993 | US5177486 Optically activated hybrid pulser with patterned radiating element |
01/04/1993 | CA2071325A1 Microstrip patch antenna structure |
12/30/1992 | EP0520859A1 Method and device for measuring of wind forces on a rotating system |
12/30/1992 | EP0520564A2 Circularly-polarized antenna and phase shift stripline device for such an antenna |
12/30/1992 | EP0520489A2 Glittering array for radar pulse shaping |
12/30/1992 | EP0520424A2 An antenna apparatus for moving body |
12/30/1992 | CN2126468U Self-varying orientation tv. aerial |
12/29/1992 | US5175878 Radio network with switching arrangement for coupling radios to a selected antenna out of a plurality of antennas |
12/29/1992 | US5175558 Nulling system for constraining pulse jammer duty factors |
12/29/1992 | US5175556 Spacecraft antenna pattern control system |
12/29/1992 | CA1312137C Airborne antenna and a system for mechanically steering an airborne antenna |
12/28/1992 | CA2072388A1 Method and apparatus for measuring wind-related forces on a turning system |
12/24/1992 | DE4120439A1 Flachantenne Flat antenna |
12/23/1992 | WO1992022940A1 Optically fed module for phased-array antennas |
12/23/1992 | EP0519772A1 Microwave antenna with optoelectronical controlled scanning |
12/23/1992 | EP0519170A1 Broadband phase shifter and vector modulator |
12/23/1992 | CN2125879U Deflecting drvice for remoting antenna |
12/22/1992 | US5173790 Adaptive filter with correlation weighting structure |
12/22/1992 | US5173708 Attitude control system for antenna on mobile body |
12/22/1992 | US5173706 Radar processor with range sidelobe reduction following doppler filtering |
12/22/1992 | US5173700 Mainbeam jammer nulling with monopulse angle correction |
12/21/1992 | WO1993000724A1 Active integrated microstrip antenna |
12/21/1992 | CA2089894A1 Active integrated microstrip antenna |
12/16/1992 | EP0517977A1 Pulse radar and components therefor |
12/16/1992 | EP0517976A1 Pulse radar |
12/15/1992 | CA1311529C Null processing receiver apparatus and method |
12/09/1992 | EP0517352A1 A power distribution network for array antennas |
12/09/1992 | CN2124514U Automatic antenna orientation changing arrangement |
12/06/1992 | CA2064345A1 Power distribution network for array antennas |
12/01/1992 | US5168250 Broadband phase shifter and vector modulator |
12/01/1992 | US5167510 Crosspoint switch module and matrix |
11/26/1992 | WO1992021162A1 System for maintaining polarization and signal-to-noise levels in received frequency reuse communications |
11/25/1992 | EP0514886A1 Dual reflector scanning antenna system |
11/25/1992 | CN2123129U Orientation-changing means of open aerial for tv sets |
11/24/1992 | US5166857 Electronically tunable capacitor switch |
11/24/1992 | US5166693 Mobile antenna system |
11/24/1992 | US5166690 Array beamformer using unequal power couplers for plural beams |
11/24/1992 | CA2068965A1 Dual reflector scanning antenna system |
11/19/1992 | EP0513856A2 Use of a transmit signal amplifying apparatus, transmit subsystem and method for amplifying transmit signals |
11/17/1992 | US5165057 Radio receiver antenna systems resistant to multiple path propagation fading |
11/17/1992 | US5164736 Optical antenna beam steering using digital phase shifter control |