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