| 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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| 12/04/1984 | CA1179055A1 Electronically scanned antenna system having a linear array of endfire elements |
| 11/28/1984 | EP0126626A2 Resonant waveguide aperture manifold |
| 11/27/1984 | US4485479 Phase control device |
| 11/06/1984 | CA1177565A1 Antijamming process and device for a radar associated with an electronic-sweep antenna and a radar comprising such a device |
| 10/30/1984 | US4480254 Electronic beam steering methods and apparatus |
| 10/23/1984 | US4479129 Directive antenna system employing a paraboloidal main dish and ellipsoidal subdish |
| 10/17/1984 | EP0121822A1 TACAN radio beacon with rotating field |
| 10/16/1984 | US4477812 Signal acquisition and tracking system |
| 10/16/1984 | US4477781 Combined microwave parallel amplifier- RF attenuator/modulator |
| 10/02/1984 | US4475110 Bearing structure for antenna |
| 09/28/1984 | EP0104173A4 An electronically scanned antenna system having a linear array of yagi antennas. |
| 09/25/1984 | US4473827 Antenna tower assembly and method for supporting rotating carriage |
| 09/04/1984 | US4470050 Antenna rotator with friction drive |
| 08/28/1984 | US4468673 Frequency scan antenna utilizing supported dielectric waveguide |
| 08/28/1984 | US4468671 Antenna tower assembly and method of attaching antennas |
| 08/28/1984 | US4467726 Stabilizing apparatus |
| 08/22/1984 | EP0116133A1 Method and apparatus for pointing satellite reception antennae |
| 08/14/1984 | US4466131 Automatic separation system |
| 08/02/1984 | WO1984002991A1 Apparatus and method for suppressing side lobe response in a digitally sampled system |
| 07/31/1984 | US4463297 Controller for mechanically actuated device |
| 07/25/1984 | EP0113985A2 Receiving or transmitting multiple beam array |
| 07/24/1984 | US4462034 Antenna system with plural horn feeds |
| 07/17/1984 | US4460897 Scanning phased array antenna system |
| 07/03/1984 | US4458250 360-Degree scanning antenna with cylindrical array of slotted waveguides |
| 07/03/1984 | US4458247 Phased array antenna employing linear scan for wide angle orbital arc coverage |
| 07/03/1984 | US4458219 Variable phase shifter |
| 06/19/1984 | CA1169547A1 Orientable beam antenna for telecommunications satellite |
| 06/13/1984 | EP0110260A1 Pulse radar apparatus |
| 06/12/1984 | CA1169146A1 Adaptive steerable null antenna processor |
| 06/05/1984 | US4453164 Method of determining excitation of individual elements of a phase array antenna from near-field data |
| 05/30/1984 | EP0109786A1 Radar transmitters |
| 05/29/1984 | US4451831 Circular array scanning network |
| 05/22/1984 | US4450450 Antenna tower assembly |
| 05/22/1984 | US4450372 Electronic control variable phase shift device comprising a long gate field effect-transistor and a circuit using such a device |
| 05/16/1984 | EP0108670A1 Feeding device for a scanning array antenna |
| 05/16/1984 | EP0108478A1 Stabilisation mechanisms |
| 05/08/1984 | US4447815 Lens for electronic scanning in the polarization plane |
| 05/01/1984 | US4446463 Coaxial waveguide commutation feed network for use with a scanning circular phased array antenna |
| 05/01/1984 | US4446407 Antenna rotator apparatus |
| 04/26/1984 | WO1984001669A1 Continuous ferrite aperture for electronic scanning antennas |
| 04/25/1984 | EP0106494A2 Electronically scanned antenna |
| 04/25/1984 | EP0106438A1 Phased array antenna |
| 04/25/1984 | EP0106178A1 Automatic tracking system for antenna |
| 04/24/1984 | US4445119 Distributed beam steering computer |
| 04/17/1984 | US4443800 Polarization control element for phased array antennas |
| 04/17/1984 | US4442590 Gallium arsenide, polishing, annealing |
| 04/10/1984 | US4442433 Adaptive signal processing apparatus |
| 04/10/1984 | CA1165401A1 Receive only earth satellite ground station |
| 04/04/1984 | EP0104536A2 Microstrip reflect array for satellite communication and radar cross-section enhancement or reduction |
| 04/04/1984 | EP0104173A1 An electronically scanned antenna system having a linear array of yagi antennas. |
| 04/03/1984 | CA1164985A1 Device for supplying a radionavigation system of the doppler vor type and a doppler vor system comprising said device |
| 03/27/1984 | US4439773 Compact scanning beam antenna feed arrangement |
| 03/27/1984 | US4439770 Cascaded adaptive loops |
| 03/27/1984 | US4439769 Combined adaptive sidelobe canceller and frequency filter system |
| 03/20/1984 | US4438437 Dual mode blade antenna |
| 03/20/1984 | CA1164087A1 Array antenna system |
| 02/28/1984 | US4434426 Phased array element with polarization control |
| 02/28/1984 | US4434345 Microwave system for frost protection of fruit trees |
| 02/21/1984 | US4433344 Automatic television antenna control system |
| 02/15/1984 | EP0100466A1 Dual-band antenna system of a beam waveguide type |
| 02/14/1984 | US4431999 Interference cancelling system using a notch and omnidirectional antenna |
| 02/14/1984 | US4431995 Phased array signal processing |
| 02/08/1984 | EP0100123A2 A directive antenna element |
| 02/07/1984 | CA1161931A1 Method and apparatus for the cancellation of interference signals from a number n of sources during the reception of return signals by a pulse radar |
| 02/01/1984 | EP0039702B1 Electronic scanning device in the polarisation plane |
| 01/24/1984 | US4427984 Phase-variable spiral antenna and steerable arrays thereof |
| 01/24/1984 | US4427983 Lossless annular rotary RF coupler |
| 01/18/1984 | EP0098618A2 System for the electronical sector scanning of the beam of a monopulse radar antenna |
| 01/18/1984 | EP0098339A1 An adaptive system for the attenuation of an intentional disturbance applied to a phased array type radar with mechanical scanning |
| 01/10/1984 | US4425567 Beam forming network for circular array antennas |
| 01/03/1984 | US4424516 Around-the-mast rotary coupler with individual power module excitation |
| 01/03/1984 | US4424500 Beam forming network for a multibeam antenna |
| 12/28/1983 | EP0097073A1 Method and device for the reduction of jamming signal power received by the side lobes of a radar antenna |
| 12/28/1983 | EP0096959A1 Microwave antenna assemblies |
| 12/21/1983 | EP0096144A1 System for the cancellation of intentional disturbance applied to a monopulse phased array radar |
| 12/13/1983 | CA1158766A1 Rectangular beam shaping antenna |
| 11/29/1983 | US4418351 Antenna system with directional switching means |
| 11/29/1983 | US4418350 Two-axis antenna direction control system |
| 11/29/1983 | CA1157938A1 Line source antenna for electronic beam scanning |
| 11/22/1983 | US4417249 Phase weighted adaptive processor |
| 11/08/1983 | US4414550 Low profile circular array antenna and microstrip elements therefor |
| 11/08/1983 | CA1156754A1 Correction method for transverse defocussing of paraboloid and corresponding correcting system for parabolic antenna |
| 11/01/1983 | US4413263 Phased array antenna employing linear scan for wide angle orbital arc coverage |
| 10/25/1983 | US4412223 Antenna array with element isolation in the coupling network |
| 10/25/1983 | US4412221 Antenna system for airborne transceiver providing quasi continuous reception and transmission free from shadowing by aircraft structure |
| 10/18/1983 | US4410894 Array phasing techniques for wide area coverage in a failure mode |
| 10/05/1983 | EP0090400A1 Surveillance radar aerial suited to elevation measurement |
| 10/04/1983 | US4408209 Orientable beam antenna for telecommunications satellite |
| 10/04/1983 | US4408205 Multiple beam antenna feed arrangement for generating an arbitrary number of independent steerable nulls |
| 10/04/1983 | EP0081540A4 Antenna tower assembly and method. |
| 10/04/1983 | EP0080511A4 Antenna having electrically positionable phase center. |
| 09/29/1983 | WO1983003243A1 Antenna rotator controller |
| 09/27/1983 | US4407000 Combined dipole and ferrite antenna |
| 09/20/1983 | US4405927 Phase shifter start/stop electronic trimming |
| 09/20/1983 | CA1154105A1 Switched delay line for steerable null antenna system |
| 09/15/1983 | WO1983003171A1 Combined transceiver element for transmitted signals particularly for phased array antenna |
| 09/14/1983 | EP0088528A1 Secondary surveillance radar system |
| 08/30/1983 | CA1153107A1 Adaptive steerable null antenna processor |
| 08/24/1983 | EP0086558A1 Improvements in or relating to antenna array circuits |
| 08/24/1983 | EP0086351A1 Geodesic dome/lens antenna |