| 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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| 05/20/1980 | US4204211 Controllable saturation sidelobe canceller |
| 05/13/1980 | US4203117 Dual beam line scanner for phased array applications |
| 04/29/1980 | CA1076696A1 Aerial system |
| 04/22/1980 | CA1076248A1 Antenna system with automatic depolarization correction |
| 04/15/1980 | US4198640 Reflectarray antenna |
| 04/02/1980 | EP0009063A1 Parallel plate electromagnetic lens |
| 03/11/1980 | US4193077 Directional antenna system with end loaded crossed dipoles |
| 03/11/1980 | CA1073549A1 Pointing error compensating device |
| 03/04/1980 | US4191960 Phased array antenna with reduced phase quantization error |
| 02/19/1980 | US4189733 Adaptive electronically steerable phased array |
| 02/12/1980 | US4188633 Phased array antenna with reduced phase quantization errors |
| 02/12/1980 | CA1071755A1 Continuous line scanning technique and means for beam port antennas |
| 02/12/1980 | CA1071754A1 Multiple input antenna system |
| 02/05/1980 | US4187480 Microstrip network having phase adjustment |
| 01/29/1980 | US4186400 Aircraft scanning antenna system with inter-element isolators |
| 01/29/1980 | US4186398 Modulation of scanning radio beams |
| 01/22/1980 | US4185288 Mobile radar tower |
| 01/22/1980 | US4185287 Mechanically scanned antenna system |
| 01/22/1980 | US4185286 Nondispersive array antenna |
| 01/22/1980 | CA1070420A1 Modified logarithmic type of aerial array |
| 01/09/1980 | EP0006650A2 Radar system |
| 12/25/1979 | US4180814 Multiple beam receiving array signal processor |
| 12/11/1979 | US4178581 Integrated antenna aperture |
| 12/11/1979 | US4178574 Horn antenna with rotating waveguide and polarization lens means |
| 12/11/1979 | US4178515 Optical signal communicating apparatus |
| 11/28/1979 | EP0005642A1 Improvements in or relating to stripline antennae |
| 11/27/1979 | US4176359 Monopulse antenna system with independently specifiable patterns |
| 11/27/1979 | US4176356 Directional antenna system including pattern control |
| 11/27/1979 | US4176354 Phased-array maintenance-monitoring system |
| 11/27/1979 | US4176322 Radio frequency lens |
| 11/27/1979 | CA1067204A1 Satellite tracking antenna with multiple reflectors |
| 11/27/1979 | CA1067203A1 Apparatus for remote control of antenna rotators |
| 11/06/1979 | US4173762 Reference signal generating apparatus |
| 11/06/1979 | US4173759 Adaptive antenna array and method of operating same |
| 10/23/1979 | US4172257 Ground station antenna for satellite communication systems |
| 10/16/1979 | US4171525 VLF loop array antenna |
| 10/16/1979 | CA1064608A1 Direct fed spiral antenna |
| 10/09/1979 | US4170778 Frequency-scanned antenna |
| 10/09/1979 | US4170775 Communication system beamport sidelobe canceller |
| 10/09/1979 | US4170766 Beamformer |
| 10/09/1979 | US4170759 Antenna sampling system |
| 10/02/1979 | CA1063716A1 Limited scan array antenna systems with sharp cutoff of element pattern |
| 09/18/1979 | US4168503 Antenna array with printed circuit lens in coupling network |
| 09/11/1979 | CA1062363A1 Antenna apparatus for detecting an optimum direction |
| 08/28/1979 | US4166274 Techniques for cophasing elements of a phased antenna array |
| 08/28/1979 | CA1061445A1 Electronically stabilized beam former system |
| 08/14/1979 | US4164742 Multibeam slot array |
| 08/07/1979 | US4163974 Antenna feed system |
| 07/31/1979 | US4163235 Satellite system |
| 07/17/1979 | US4161733 Null steering apparatus including weight oscillation eliminating means |
| 07/11/1979 | EP0002982A1 Conical scan antenna for tracking radar |
| 07/10/1979 | US4160952 Space diversity receiver with combined step and continuous phase control |
| 06/19/1979 | US4158845 Non-gimbaled pointer and tracking platform assembly |
| 06/19/1979 | CA1056943A1 Constant beamwidth antenna |
| 06/13/1979 | EP0002233A1 Rotatable short-wave antenna support |
| 06/12/1979 | CA1056497A1 Digital antenna control apparatus for a communications terminal |
| 05/29/1979 | US4156877 In null steering apparatus a reference to spread spectrum signals |
| 05/22/1979 | US4156243 Paraboloid reflector antenna |
| 05/22/1979 | US4156241 Satellite tracking antenna apparatus |
| 05/08/1979 | CA1054241A2 Nutating electromagnetic field transmitter |
| 05/01/1979 | US4152702 Adaptive antenna lobing on spread spectrum signals at negative S/N |
| 04/24/1979 | CA1053361A1 Beam former utilizing geometric sampling |
| 04/17/1979 | US4150382 Non-uniform variable guided wave antennas with electronically controllable scanning |
| 04/03/1979 | US4148031 Phase conjugation method and apparatus for an active retrodirective antenna array |
| 03/27/1979 | US4146895 Geodesic lens aerial |
| 03/27/1979 | US4146889 Method and apparatus for sidelobe reduction in radar |
| 03/06/1979 | US4143379 Antenna system having modular coupling network |
| 03/06/1979 | US4143378 Pendulum antenna |
| 03/06/1979 | US4143372 Side-lobe blanking arrangement for a radar system |
| 02/06/1979 | US4138683 Short radiating horn with an S-shaped radiating element |
| 01/23/1979 | US4136342 Resolving angular ambiguity |
| 01/23/1979 | CA1047159A1 Phased array antenna with coarse/fine electronic scanning for ultra-low beam granularity |
| 01/16/1979 | US4135193 Directional duplexer |
| 01/10/1979 | EP0000308A1 Electronic scanning device comprising dielectric panels as phaseshifters |
| 01/09/1979 | US4134116 Monitoring commutated scanning radio beams |
| 12/26/1978 | US4131896 Dipole phased array with capacitance plate elements to compensate for impedance variations over the scan angle |
| 12/26/1978 | US4131839 System for multistation remote position indication and control |
| 12/12/1978 | US4129873 Main lobe signal canceller in a null steering array antenna |
| 12/12/1978 | US4129872 Microwave radiating element and antenna array including linear phase shift progression angular tilt |
| 12/12/1978 | US4129870 Apparatus for synthesis of scanning beam |
| 12/12/1978 | CA1044365A1 Adjustable antenna mount for radio receiver |
| 11/28/1978 | US4127857 Radio frequency antenna with combined lens and polarizer |
| 11/21/1978 | US4126865 Satellite tracking dish antenna |
| 11/07/1978 | US4124852 Phased power switching system for scanning antenna array |
| 10/31/1978 | US4123759 Phased array antenna |
| 10/31/1978 | US4123757 Radar sector scan reversal apparatus |
| 10/17/1978 | US4121221 Radio frequency array antenna system |
| 10/17/1978 | US4121220 Flat radar antenna employing circular array of slotted waveguides |
| 10/17/1978 | US4120085 Beam type planar array antenna method of fabrication |
| 10/10/1978 | US4119972 Phased array antenna control |
| 10/10/1978 | US4119971 High data rate frequency scan slotted waveguide antenna |
| 10/10/1978 | US4119969 Oxidation, reductive reasting, leaching with hydrochloric acid |
| 10/03/1978 | US4118707 Gyro stabilized platform for scanning antenna |
| 10/03/1978 | US4118705 Adaptive interface for rotational positioning device utilizing linear actuators |
| 09/26/1978 | US4117494 Antenna coupling network with element pattern shift |
| 09/26/1978 | US4117491 Logarithmically periodic loop antenna array with spaced filters in the coupling network |
| 09/26/1978 | US4117485 Radar target cross section control method and means |
| 09/19/1978 | US4115778 Electronic solid state FM dipole antenna |
| 09/19/1978 | US4115776 Adaptive gain control for radiometric target tracking system |
| 09/05/1978 | US4112431 Radiators for microwave aerials |