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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08/23/1983 | CA1152616A1 Microwave landing systems |
08/09/1983 | US4398197 Digital sidelobe canceller with real weights |
08/09/1983 | CA1151763A1 Steerable null antenna processor with gain control |
08/02/1983 | US4396919 Differential drive pedestal gimbal |
08/02/1983 | CA1151267A1 Electromagnetic process for controlling orientation of a platform and platform for carrying out said process |
07/26/1983 | US4395503 Antenna grout replacement system |
07/21/1983 | WO1983002530A1 Bearing structure for antenna |
07/19/1983 | US4394779 Method and system for receiving distortion-free FM signals by vehicular radios |
07/19/1983 | US4394660 Phased array feed system |
07/13/1983 | EP0083534A1 MLS with interference protection |
07/05/1983 | US4392140 Dual cable drive rolling arc gimbal |
06/22/1983 | EP0081540A1 Antenna tower assembly and method |
06/21/1983 | US4389650 Line source antenna for electronic beam scanning |
06/14/1983 | US4388723 Control device for steerable null antenna processor |
06/14/1983 | US4388626 Phased array antennas using frequency multiplication for reduced numbers of phase shifters |
06/08/1983 | EP0080511A1 Antenna having electrically positionable phase center |
06/07/1983 | US4387378 Antenna having electrically positionable phase center |
05/25/1983 | EP0079653A1 Bi-axial suspension arrangement of a component part in a projectile |
05/17/1983 | US4384290 Airborne interrogation system |
05/17/1983 | CA1146668A1 Multiple antennae arrangements coupled via a power divider to provide directional and/or omnidirectional characteristics |
05/11/1983 | EP0078494A2 Receiving device for the reception of satellite transmissions |
05/10/1983 | CA1146244A1 Satellite antenna orientation control method and detector configuration applying said method |
05/03/1983 | US4382261 Phase shifter and line scanner for phased array applications |
05/03/1983 | US4382259 Device for supplying a radionavigation system of the Doppler VOR type and a Doppler VOR system comprising said device |
04/27/1983 | EP0077731A2 Remote control positioning device for a receiving antenna |
04/26/1983 | US4381509 Cylindrical microwave lens antenna for wideband scanning applications |
04/26/1983 | US4381508 Clutter compensated sidelobe cancelling communications system |
04/20/1983 | EP0076978A1 Adjustable support device for a reflector mounted on a satellite |
04/13/1983 | EP0076760A1 Adaptive spatial microwave filter for an antenna with any polarisation, and method for putting it into use |
04/12/1983 | US4380011 Loop antenna arrangement for inclusion in a television receiver |
04/06/1983 | EP0076213A2 Beam forming network for a multivibrator antenna array |
04/06/1983 | EP0076194A1 Torque imbalance equilibration system, utilisation of such a system for an airborne radar scanner and antenna balanced by such a system |
04/05/1983 | US4379297 Orientable antenna support |
04/05/1983 | US4379296 Selectable-mode microstrip antenna and selectable-mode microstrip antenna arrays |
03/29/1983 | US4378559 Radar antenna system |
03/23/1983 | EP0074762A1 Dual mode blade antenna |
03/17/1983 | WO1983000952A1 An electronically scanned antenna system having a linear array of endfire elements |
02/22/1983 | US4375053 Interlevel stripline coupler |
02/16/1983 | EP0072316A1 Electronic scanning antenna with multiple ports and radar using such antenna |
02/16/1983 | EP0072312A2 Flat, low profile circular array antenna |
02/15/1983 | US4374368 Multilevel stripline transition |
02/08/1983 | US4373162 Low frequency electronically steerable cylindrical slot array radar antenna |
02/08/1983 | US4373160 Antenna arrangements |
01/25/1983 | US4370655 Combined side lobe canceller and frequency selective limiter |
01/25/1983 | US4370654 Apparatus for producing a frequency change of a wage propagating signal |
01/25/1983 | US4370522 FM Receiver for use with motorcars |
01/11/1983 | US4368469 Traveling wave interferometry particularly for solar power satellites |
01/04/1983 | US4367474 Frequency-agile, polarization diverse microstrip antennas and frequency scanned arrays |
12/23/1982 | WO1982004503A1 Antenna having electrically positionable phase center |
12/23/1982 | WO1982004502A1 Antenna tower assembly and method |
12/21/1982 | US4365252 Correction method for transverse defocussing of parabolic antenna |
12/14/1982 | US4364053 Inflatable stressed skin microwave antenna |
12/14/1982 | US4364052 Antenna arrangements for suppressing selected sidelobes |
11/30/1982 | US4361891 Spread spectrum signal estimator |
11/23/1982 | US4360182 High-agility reflector support and drive system |
11/23/1982 | CA1136268A1 Weather proof antenna tower bearing assembly |
11/17/1982 | EP0064905A1 Elektronically controlled phase-shifting device using a field effect transistor with a long gate, and circuit using such a device |
11/16/1982 | US4359741 Lens antenna arrangement |
11/16/1982 | US4359740 Phased array antenna with extinguishable phase shifters |
11/16/1982 | US4359738 Clutter and multipath suppressing sidelobe canceller antenna system |
11/09/1982 | US4358771 Power distribution type antenna |
11/09/1982 | US4358769 Loop antenna apparatus with variable directivity |
11/09/1982 | US4358767 Method of tracking for telecommunications antennae |
10/26/1982 | US4356496 Loop-coupler commutating feed for scanning a circular array antenna |
10/26/1982 | US4356462 Circuit for frequency scan antenna element |
10/26/1982 | US4356461 Practical implementation of large Butler matrices |
10/19/1982 | US4355313 Satellite antenna orientation control method and sensor configuration applying said method |
10/13/1982 | EP0062588A2 Remotely controlled antenna orientating device |
10/06/1982 | EP0061965A1 Antenna with a device for controlling the linear-polarization direction |
10/05/1982 | US4353119 Adaptive antenna array including batch covariance relaxation apparatus and method |
10/05/1982 | CA1133120A1 Stripline antennae with phase-shifting slotted strip |
09/28/1982 | US4352202 Combined remote control for wireless communication equipment and associated antenna |
09/14/1982 | US4349840 Apparatus for automatically steering an electrically steerable television antenna |
09/07/1982 | US4348681 Series fed phased array antenna exhibiting constant input impedance during electronic scanning |
09/07/1982 | US4348680 Microwave antenna with sinuous waveguide feed |
09/07/1982 | US4348679 Multi-mode dual-feed array radar antenna |
09/07/1982 | CA1131351A1 Radio frequency energy antenna |
09/01/1982 | EP0058893A1 Vertical support means for a plurality of devices rotating independently each from the other |
08/31/1982 | US4347627 Adaptive array processor and processing method for communication system |
08/31/1982 | US4347516 Rectangular beam shaping antenna employing microstrip radiators |
08/25/1982 | EP0058289A1 Arrangement for the automatic orientation of an antenna in a radio receiver or television set by means of a telecontrol |
08/24/1982 | US4346386 Rotating and translating radar antenna drive system |
08/24/1982 | US4346315 Switched delay line for steerable null antenna system |
08/17/1982 | US4345256 Steerable directional antenna |
08/17/1982 | US4344922 Catalyzer for detoxifying exhaust gases from internal combustion |
08/10/1982 | US4344077 Adaptive spatial microwave filter |
08/04/1982 | EP0056984A1 Phased antenna array |
08/03/1982 | US4343006 High accuracy feedback control system for a phased array antenna |
08/03/1982 | CA1129086A1 Interference canceling device for use in antenna system |
08/03/1982 | CA1129052A1 Radar system |
07/28/1982 | EP0056550A2 Device for orientation according to two orthogonal axes, in particular for a microwave antenna |
07/27/1982 | CA1128654A1 Antenna system with variable directivity |
07/21/1982 | EP0056205A1 Large N x N Butler matrix |
07/20/1982 | CA1128198A1 Integrated antenna aperture |
07/14/1982 | EP0055720A1 Device for the orientation and the positioning of a useful load. |
07/13/1982 | US4339827 Automatic tuning circuit arrangement with switched impedances |
07/08/1982 | WO1982002285A1 Spread spectrum signal estimator |
07/07/1982 | EP0055324A2 Monolithic microwave integrated circuit with integral array antenna |
07/06/1982 | US4338609 Short horn radiator assembly |
07/06/1982 | US4338608 Triple-beam offset paraboloidal antenna |