| 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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| 04/26/1988 | US4740791 Antenna with pseudo-toric coverage having two reflectors |
| 04/20/1988 | EP0264056A2 Vehicle antenna with shiftable gain patterns |
| 04/19/1988 | US4739337 Mobile mechanically steerable satellite tracking antenna |
| 04/19/1988 | US4739334 Electro-optical beamforming network for phased array antennas |
| 04/12/1988 | US4737796 Ground plane interference elimination by passive element |
| 04/05/1988 | US4736463 Electro-optically controlled wideband multi-beam phased array antenna |
| 04/05/1988 | US4736460 Multipath reduction system |
| 04/05/1988 | US4735546 Apparatus for manipulating radar drive assemblies |
| 04/05/1988 | CA1234911A1 Frequency-scanning radiometer |
| 04/05/1988 | CA1234910A1 Antenna tracking device |
| 04/05/1988 | CA1234903A1 Electronically scanned radar system |
| 03/30/1988 | EP0261983A2 Reconfigurable beam-forming network that provides in-phase power to each region |
| 03/30/1988 | EP0261699A2 Angular-diversity radiosystem for tropospheric-scatter radio links |
| 03/30/1988 | EP0261576A1 Antenna orientation adjusting device for earth station |
| 03/29/1988 | US4734701 Null processing receiver apparatus and method |
| 03/29/1988 | US4734700 Group antenna with electronically phase-controlled beam |
| 03/23/1988 | EP0260766A1 Primary receiving unit for polarized microwaves, parabolic antenna and receiving station comprising such a unit |
| 03/23/1988 | EP0260442A2 Satellite transmission device |
| 03/23/1988 | EP0260353A1 Adaptive antenna |
| 03/22/1988 | US4733240 Phased array transmitter |
| 03/15/1988 | US4731614 Phased array scanning system |
| 03/10/1988 | DE3630188A1 Device for holding and tracking the parabolic reflector of a satellite receiving system |
| 03/09/1988 | CN87201294U Asynchronous adjustable combined unidirectional tv receiving antenna |
| 03/02/1988 | EP0257964A2 Electro-optically controlled wideband multi-beam phased array antenna |
| 03/01/1988 | US4728956 Receivers and transmitters |
| 03/01/1988 | US4728805 Synaptic radio frequency interactive systems with photoresponsive switching |
| 02/25/1988 | WO1988001456A1 Satellite communications system employing frequency reuse |
| 02/25/1988 | WO1988001441A1 Beam-forming network |
| 02/24/1988 | CN87206626U Direction regulator for an tennas |
| 02/23/1988 | US4727503 For matrix triangularization of an input stream of data elements |
| 02/18/1988 | DE3627596A1 Circular array antenna arrangement |
| 02/16/1988 | US4725844 Fiber optical discrete phase modulation system |
| 02/16/1988 | US4725843 Attitude control system for antenna on mobile body |
| 02/09/1988 | US4724441 Transmit/receive module for phased array antenna system |
| 02/09/1988 | US4724440 Beam steering unit real time angular monitor |
| 01/27/1988 | EP0254649A1 Process and device for compensating the frequency dispersion in an electronically scanned antenna and its use in a landing system of the MLS type |
| 01/26/1988 | US4721966 Planar three-dimensional constrained lens for wide-angle scanning |
| 01/26/1988 | US4721960 Beam forming antenna system |
| 01/26/1988 | CA1232059A1 Digital delay generator for sonar and radar beam formers |
| 01/20/1988 | EP0253465A1 Beam forming antenna system |
| 01/20/1988 | EP0253425A2 Angular-diversity radiating system for tropospheric-scatter radio links |
| 01/19/1988 | US4720712 Adaptive beam forming apparatus |
| 01/14/1988 | DE3621117A1 Vehicle antenna for the decimetric waveband |
| 01/13/1988 | CN87204878U Outside antenna rotating device |
| 01/12/1988 | CA1231438A1 Method of and apparatus for setting direction of a parabolic antenna relative to a communicating satellite |
| 01/12/1988 | CA1231423A1 Constraint application processor |
| 01/05/1988 | US4717919 Feedback limited adaptive antenna with signal environment power level compensation |
| 01/05/1988 | US4717918 Phased array antenna |
| 12/29/1987 | CA1230947A1 Motorized antenna mount for satellite dish |
| 12/22/1987 | US4714214 Apparatus for producing biaxial tiltable support for a rotational body |
| 12/15/1987 | US4713668 Adaptive antenna |
| 12/09/1987 | EP0248686A1 Array of elements scattering electromagnetic energy by optical control |
| 12/05/1987 | CN86200664U Automatic electric direction-rotating adjuster of tv antenna |
| 12/02/1987 | EP0247780A2 Beam steering unit real time angular monitor |
| 12/02/1987 | EP0247066A1 Arm device. |
| 11/25/1987 | EP0246640A2 Transmit/receive module for phased array antenna system |
| 11/25/1987 | EP0246635A2 Tracking controller for three-axis mount antenna systems |
| 11/19/1987 | WO1987007102A1 Improvements in or relating to a transceiver interference cancellation system |
| 11/19/1987 | DE3616272A1 Antenna having an omnidirectional characteristic |
| 11/17/1987 | US4707699 Method and apparatus for positioning a satellite antenna from a remote well logging location |
| 11/17/1987 | CA1229388A1 Radio frequency power divider/combiner networks |
| 11/10/1987 | US4706094 Electro-optic beam scanner |
| 11/03/1987 | USH375 Microstrip antenna system adaptively steerable in two dimensions |
| 11/03/1987 | US4704611 Electronic tracking system for microwave antennas |
| 10/14/1987 | EP0241380A1 Method and device for focusing an antenna array at a test point |
| 10/14/1987 | EP0241153A2 Phase shifter control |
| 10/14/1987 | CN87202863U Passive relay antenna for decimetric wave |
| 10/14/1987 | CN87201074U All-directional wideband outdoor receiving antenna for tv |
| 10/14/1987 | CN87200988U Rotating mechanism for tv antenna and domestic electric appliance |
| 10/13/1987 | US4700197 Adaptive array antenna |
| 10/13/1987 | US4700192 Test configuration and procedure for determining the operational status of a phased array antenna |
| 10/07/1987 | CN86208416U Controllable steering device for tv outdoor antenna |
| 10/06/1987 | CA1227838A1 Adjustable-phase-power divider apparatus |
| 10/06/1987 | CA1227837A1 Narrow-band beam steering system |
| 09/29/1987 | US4697141 Testing of RF diode phase shifters |
| 09/24/1987 | WO1987005705A1 Null processing receiver apparatus and method |
| 09/23/1987 | EP0237572A1 Waveguide switch with variable short wall coupling |
| 09/16/1987 | EP0237433A1 System for the calibration of the elevation and azimuth angle of the radioelectric axis of an antenna |
| 09/16/1987 | EP0237429A2 Controlled-phase reflector array, and antenna comprising such an array |
| 09/15/1987 | CA1226934A1 Reconfigurable beam-forming network that provides in- phase power to each region |
| 09/09/1987 | EP0236160A1 Small-size radar antenna |
| 09/09/1987 | EP0235932A1 Dual mode radar system |
| 09/09/1987 | EP0235623A1 Device for adjusting the polarization of an antenna and method for using such a device |
| 09/09/1987 | CN86208877U Rotary knob-control steering tv antenna |
| 09/09/1987 | CN86207188U Antenna steering device for colour tv set |
| 09/08/1987 | US4692771 For receiving satellite broadcast data |
| 09/08/1987 | US4692768 Feed device for a sweep beam array antenna |
| 09/08/1987 | US4692094 Rotary positionable installation |
| 09/02/1987 | EP0235026A1 Rotatable curtain antenna |
| 09/01/1987 | US4691208 Ferrite waveguide scanning antenna |
| 09/01/1987 | US4691207 Antenna positioning apparatus |
| 09/01/1987 | US4691177 Waveguide switch with variable short wall coupling |
| 08/26/1987 | EP0233282A1 Beam steerable antenna |
| 08/25/1987 | US4689628 Adapive sidelobe canceller system |
| 08/25/1987 | US4689627 Dual band phased antenna array using wideband element with diplexer |
| 08/19/1987 | CN86103844A Antenna diversity reception system for eliminating interference |
| 08/18/1987 | US4688187 Constraint application processor for applying a constraint to a set of signals |
| 08/18/1987 | US4688045 Digital delay generator for sonar and radar beam formers |
| 08/18/1987 | US4687445 Subsurface antenna system |
| 08/12/1987 | CN86208879U Tv antenna with direction-auto control unit |