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