| 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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| 08/11/1987 | US4686533 Optoelectronically switched phase shifter for radar and satellite phased array antennas |
| 08/05/1987 | EP0231071A2 A phased array transmitter |
| 08/05/1987 | EP0230969A1 Phased array antenna |
| 08/04/1987 | US4684952 Microstrip reflectarray for satellite communication and radar cross-section enhancement or reduction |
| 08/04/1987 | CA1225148A1 Arrangement for a surveillance apparatus |
| 07/29/1987 | EP0230183A1 Rotating antenna with a twistable feed line |
| 07/29/1987 | CN86204831U Automatic remote-control device of engaging or disengaging gear for radar antenna |
| 07/28/1987 | CA1224878A1 Apparatus and method for suppressing side lobe response in a digitally sampled system |
| 07/28/1987 | CA1224849A1 Communication receiving unit for the suppression of noise and interference signals |
| 07/23/1987 | DE3601277A1 Antenna, especially a directional antenna |
| 07/22/1987 | EP0229617A1 Antenna-orientating device for scanning in two orthogonal directions |
| 07/21/1987 | US4682181 Flush mounted tacan base station antenna apparatus |
| 07/21/1987 | US4682180 Multidirectional feed and flush-mounted surface wave antenna |
| 07/14/1987 | CA1224261A1 Microwave landing system with protection against jamming |
| 07/08/1987 | EP0227910A2 Beam forming network for a butler matrix fed circular array |
| 07/07/1987 | CA1223944A1 Pulse radar apparatus |
| 06/30/1987 | US4677440 Passive, frequency-steerable, microwave repeater system |
| 06/24/1987 | EP0226090A2 Rotation mechanism for a waveguide feeder |
| 06/23/1987 | US4675689 Grooved horn radiator with mode coupler |
| 06/23/1987 | US4675688 Rate sensor with coaxially mounted scanning antenna |
| 06/23/1987 | US4675682 Magnetostatic delay line with improved delay linearity |
| 06/23/1987 | US4675681 Rotating planar array antenna |
| 06/23/1987 | US4675680 Antenna tracking device |
| 06/23/1987 | US4675678 Method of landing aircraft aboard a carrier at sea |
| 06/23/1987 | CA1223342A1 Phased array antennas with binary phase shifters |
| 06/23/1987 | CA1223341A1 Device for stabilising and aiming an antenna, more paricularly on a ship |
| 06/23/1987 | CA1223340A1 Omnidirectional orientation arrangement for an antenna |
| 06/18/1987 | WO1987003746A1 High efficiency optical limited scan antenna |
| 06/16/1987 | US4673942 Array antenna system |
| 06/16/1987 | US4673939 Test apparatus in a radar system |
| 06/10/1987 | EP0225219A1 Conical scan antenna array and radar comprising such an antenna |
| 06/09/1987 | US4672687 Polarity switch for satellite television receiver |
| 06/09/1987 | US4672385 Satellite tracking system |
| 06/09/1987 | US4672378 Method and apparatus for reducing the power of jamming signals received by radar antenna sidelobes |
| 06/04/1987 | WO1987003239A1 Arm device |
| 06/02/1987 | US4670885 Spread spectrum adaptive antenna interference canceller |
| 06/02/1987 | US4670756 Phase shifter control |
| 05/27/1987 | EP0223638A1 Device for the orientation and angular positioning of the rotational axis of a rotating load |
| 05/26/1987 | US4668955 Plural reflector antenna with relatively moveable reflectors |
| 05/19/1987 | US4667201 Electronic scanning antenna |
| 04/22/1987 | EP0218843A2 Diversity antenna for mobile radio devices |
| 04/14/1987 | CA1220544A1 Feed device for a sweep beam array antenna |
| 04/09/1987 | WO1987002191A1 Steered-beam satellite communication system |
| 04/09/1987 | WO1987002184A1 Waveguide switch with variable short wall coupling |
| 04/09/1987 | WO1987002148A1 Drive system for a rotating tilting mirror |
| 04/07/1987 | US4656485 Four wire dual mode spiral antenna |
| 04/07/1987 | US4656484 Radar reflector and scanner with electromagnetic programmable drive |
| 04/07/1987 | US4656364 Antenna switching circuit for a diversity receiving system and branching circuit with a signal attenuation operation |
| 04/01/1987 | EP0216331A2 A multidirectional feed and flush-mounted surface wave antenna |
| 04/01/1987 | EP0215971A1 Antenna feed network |
| 03/31/1987 | US4654670 Tracker mount assembly for microwave dishes |
| 03/31/1987 | US4654666 Passive frequency scanning radiometer |
| 03/24/1987 | US4652887 Antenna drive |
| 03/24/1987 | US4652883 Radar signal phase shifter |
| 03/24/1987 | US4652880 Antenna feed network |
| 03/24/1987 | US4652879 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 |
| 03/17/1987 | US4651155 Beamforming/null-steering adaptive array |
| 03/17/1987 | CA1219324A1 Method and apparatus for reducing the power of jamming signals received by radar antenna sidelobes |
| 03/10/1987 | USRE32369 Monolithic microwave integrated circuit with integral array antenna |
| 03/10/1987 | US4649553 Microwave digital phase-shifter apparatus and method for construction |
| 03/10/1987 | US4649393 Phased array antennas with binary phase shifters |
| 03/04/1987 | EP0212963A2 Omni-directional antenna |
| 03/03/1987 | US4647939 Stabilized platform for scanning antenna |
| 02/26/1987 | WO1987001243A1 Beam steerable antenna |
| 02/24/1987 | US4646100 Latch assembly for phased array radar antenna |
| 02/24/1987 | US4646099 Three-dimensional fourier-transform device |
| 02/18/1987 | CN86203353U Open tv antenna steering-gear |
| 02/17/1987 | US4644363 Integrated dual beam line scanning antenna and negative resistance diode oscillator |
| 02/17/1987 | US4644359 Antenna system |
| 02/17/1987 | US4644267 Signal analysis receiver with acousto-optic delay lines |
| 02/10/1987 | US4642651 Dual lens antenna with mechanical and electrical beam scanning |
| 02/10/1987 | US4642645 Reducing grating lobes due to subarray amplitude tapering |
| 02/03/1987 | US4641142 TACAN beacon |
| 02/03/1987 | US4641141 Coherent dual automatic gain control system |
| 02/03/1987 | CA1217558A1 Dual space fed parallel plate lens antenna beamforming system |
| 01/27/1987 | US4639732 Integral monitor system for circular phased array antenna |
| 01/22/1987 | EP0188504A4 Adaptive antenna array. |
| 01/20/1987 | US4638322 Multiple feed antenna |
| 01/20/1987 | US4638317 Orthogonal beam forming network |
| 01/20/1987 | US4638190 Digitally controlled wideband phase shifter |
| 01/13/1987 | US4636800 Apparatus for rotating and driving antenna device |
| 01/13/1987 | US4636799 Poled domain beam scanner |
| 01/13/1987 | US4636794 Photo-conductive element operative in the microwave region and a light-steerable antenna array incorporating the photo-conductive element |
| 01/07/1987 | EP0207511A2 Electronically scanned phased-array antenna |
| 01/06/1987 | US4635065 Antenna device for direction finders |
| 01/06/1987 | US4635063 Adaptive antenna |
| 01/06/1987 | US4635062 Transceiver element for phased array antenna |
| 12/30/1986 | US4633259 Lossless orthogonal beam forming network |
| 12/30/1986 | US4633256 Method and apparatus for four-beam radar |
| 12/30/1986 | EP0206846A1 Microwave phase shifter, especially in the millimeter wave range, with a piezoelectric control |
| 12/23/1986 | US4631546 Electronically rotated antenna apparatus |
| 12/23/1986 | US4631545 Antenna arrangement capable of astigmatism correction |
| 12/16/1986 | US4630056 Control system for antenna of receiving equipment installed on moving body |
| 12/09/1986 | US4628321 Aperture transformation sidelobe canceller |
| 12/09/1986 | US4628320 Signal processor |
| 12/02/1986 | USH173 Temperature and frequency compensated array beam steering unit |
| 12/02/1986 | US4626864 Motorized antenna mount for satellite dish |
| 11/26/1986 | EP0202719A2 Bi-axial supporting arrangements |
| 11/25/1986 | US4625211 Adaptive antenna array |
| 11/20/1986 | EP0201977A2 Antenna diversity reception arrangement for eliminating reception disturbances |