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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07/06/1982 | US4338607 Conical scan antenna for tracking radar |
07/06/1982 | US4338606 Antenna system with variable directivity |
07/06/1982 | US4338605 Antenna array with adaptive sidelobe cancellation |
06/15/1982 | US4335388 Null control of multiple beam antenna |
06/08/1982 | US4334230 Directivity-controllable antenna system |
06/08/1982 | US4334226 Antenna system for satellite communication |
06/08/1982 | US4334194 Pulse train generator of predetermined pulse rate using feedback shift register |
06/01/1982 | US4332426 Recirculation bearing for rolling arc gimbal |
06/01/1982 | CA1124826A1 Beamformer |
05/27/1982 | WO1982001747A1 Installation which may be rotatingly positioned |
05/26/1982 | EP0052249A1 Azimuthal orientating device |
05/26/1982 | EP0052231A1 Rotatable short-wave antenna |
05/25/1982 | US4331925 False count correction in feedback shift registers and pulse generators using feedback shift registers |
05/05/1982 | EP0050989A1 Stabilising apparatus |
05/04/1982 | US4328498 Phased array antenna for satellite |
04/28/1982 | EP0050384A1 Elimination in a pulse radar receiver of interference signals stemming from N distinct sources |
04/20/1982 | US4325586 Electromagnetic process for controlling orientation of a platform and platform for carrying out said process |
04/13/1982 | CA1121910A1 Scanned directional arrays for electromagnetic radiation |
04/06/1982 | US4323901 Monolithic, voltage controlled, phased array |
04/06/1982 | CA1121509A1 Antenna for use with a range-gated, pulse doppler radar system |
03/23/1982 | US4321605 Array antenna system |
03/23/1982 | CA1120583A1 Antenna for circular scanning |
03/16/1982 | US4320404 Microwave phase shifter and its application to electronic scanning |
03/10/1982 | EP0046996A1 Antenna systems |
03/02/1982 | US4318104 Directional arrays |
03/02/1982 | US4318048 Phase shifter control circuit |
02/16/1982 | US4316195 Rotating dual frequency range antenna system |
02/16/1982 | US4316192 Beam forming network for butler matrix fed circular array |
02/02/1982 | US4314253 Portable folding microwave antenna |
02/02/1982 | US4314250 Intermodulation product suppression by antenna processing |
02/02/1982 | US4314249 Radar reflector with variable electric reflectivity |
01/27/1982 | EP0044456A1 Antenna system for Doppler omnidirectional range |
01/26/1982 | US4313116 Hybrid adaptive sidelobe canceling system |
01/26/1982 | CA1117215A1 Mount for earth station antenna |
01/21/1982 | WO1982000218A1 New device for the orientation and the positioning of a useful load |
01/19/1982 | US4312002 Combined radar and infrared scanning antenna |
01/19/1982 | CA1116745A2 Microstrip transmission line |
01/13/1982 | EP0043772A1 Method and system for controlling a mobile platform mounted on a spacecraft |
01/12/1982 | US4310852 Real-time electromagnetic radiation intensity distribution imaging system |
01/05/1982 | US4309769 Method and apparatus for processing spread spectrum signals |
01/05/1982 | US4309710 Multi-lobe antenna having a disc-shaped Luneberg lens |
12/30/1981 | EP0042571A1 Process for conducting and/or converting energy in gaseous, liquid or solid mediums |
12/29/1981 | US4308540 Compact television antenna system |
12/29/1981 | US4308539 Compensated phased array antenna |
12/29/1981 | CA1115414A1 Dual beam line scanner for phased array applications |
12/24/1981 | WO1981003732A1 Method for conducting and/or transforming energy within gas,liquid or solid media |
12/22/1981 | US4307404 Dichroic scanner for conscan antenna feed systems |
12/15/1981 | US4306239 Microwave landing systems |
12/15/1981 | US4306238 Microwave landing systems |
12/15/1981 | CA1114497A1 Phased array antenna with extinguishable phase shifters |
12/08/1981 | US4305075 Conically scanning antenna system for tracking radars |
12/08/1981 | US4305052 Ultra-high-frequency diode phase shifter usable with electronically scanning antenna |
12/08/1981 | US4304381 Aimable mounting apparatus |
12/01/1981 | US4303875 Device for the remote control of the angular position of an aerial rotor |
12/01/1981 | CA1113546A1 Space diversity receiver with combined step and continuous phase control |
11/24/1981 | US4302734 Microwave switching power divider |
11/24/1981 | US4301740 Suspension system for a wheel rolling on a flat track |
11/18/1981 | EP0039702A1 Electronic scanning device in the polarisation plane. |
11/17/1981 | US4301397 DC Antenna rotator system |
11/11/1981 | EP0039475A1 Rotary annular signal data coupler |
11/03/1981 | US4298878 Radiating source formed by a dipole excited by a waveguide and an electronically scanning antenna comprising such sources |
11/03/1981 | US4298877 Offset-fed multi-beam tracking antenna system utilizing especially shaped reflector surfaces |
11/03/1981 | US4298873 Adaptive steerable null antenna processor |
11/03/1981 | US4298872 Sidelobe blanking system |
11/03/1981 | US4298871 Desired signal estimator for null steerer FM reception using FSK modulation |
10/27/1981 | US4297708 Apparatus and methods for correcting dispersion in a microwave antenna system |
10/27/1981 | US4297705 Frequency agility technique for frequency scanned antenna |
10/20/1981 | US4295621 Solar tracking apparatus |
10/20/1981 | CA1111132A1 Radar antenna systems |
10/13/1981 | CA1110722A1 Feeder arrangement for an aerial for inter alia satellite signals |
10/13/1981 | CA1110708A1 Sectored antenna receiving system |
10/06/1981 | US4293861 Compact television antenna system |
10/06/1981 | US4293859 Traffic radar unit |
10/06/1981 | CA1110329A1 Antenna sampling system |
09/23/1981 | EP0036234A1 Automatic sector scan control system for an in both directions rotated main shaft out of a predetermined angular position which is fixed in the course of time |
09/22/1981 | US4291310 Adaptive two-dimensional null forming receiving antenna system |
09/15/1981 | US4290127 Beamformer with reduced sampling rate |
09/09/1981 | EP0035441A1 Power feed for Doppler VOR radio navigation system and its use |
09/09/1981 | EP0035439A1 Method and antijamming device for a radar with an antenna for electronic scanning, and radar comprising such a device |
08/25/1981 | US4286268 Adaptive array with optimal sequential gradient control |
08/25/1981 | US4286267 Directional antenna system with electronically controllable sweep of the beam direction |
08/18/1981 | CA1107390A1 Phased array antenna with reduced phase quantization errors |
08/11/1981 | US4283729 Multiple beam antenna feed |
08/04/1981 | US4282529 Differential drive rolling arc gimbal |
07/28/1981 | US4281328 Slip ring assembly |
07/28/1981 | CA1106059A1 Phased array antenna with reduced phase quantization error |
07/22/1981 | EP0032340A1 Directable antenna mounting and utilization thereof |
07/22/1981 | EP0032227A1 Antenna for earth receiving station |
07/21/1981 | US4280128 Adaptive steerable null antenna processor |
07/21/1981 | CA1105610A1 Radio frequency antenna |
07/15/1981 | EP0032081A1 Directable-beam antenna for communication satellite |
07/14/1981 | US4278978 Baseband signal combiner for large aperture antenna array |
07/07/1981 | US4277789 Microwave energy transmission system for around-the-mast applications |
07/07/1981 | US4277787 Charge transfer device phased array beamsteering and multibeam beamformer |
06/30/1981 | US4276551 Electronically scanned antenna |
06/30/1981 | CA1104250A1 Method for controlling an antenna of an earth station for telecommunication via satellites |
06/24/1981 | EP0030895A1 Method of correcting the cross-defocusing of a paraboloid and matching device for correcting a parabolic antenna |
06/17/1981 | EP0030296A1 Wide-band, phase scanned antenna |
06/16/1981 | US4274098 Loss-free scanning antenna |
06/02/1981 | US4271413 Null mask |