| 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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| 06/29/1994 | EP0310661B1 Low sidelobe phased array antenna using identical solid state modules |
| 06/28/1994 | US5325102 Receiver system employing an optical commutator |
| 06/28/1994 | US5325101 Cylindrical phased array antenna system to prodce wide open coverage of a wide angular sector with high directive gain and wide frequency bandwidth |
| 06/23/1994 | WO1994014209A2 Optical self-heterodyne remote antenna system |
| 06/22/1994 | EP0602615A2 Sidelobe cancellation and diversity reception using a single array of auxiliary antennas |
| 06/21/1994 | US5323167 Antenna configuration and system for determining the direction of a radio frequency signal |
| 06/15/1994 | EP0265482B1 Null processing receiver apparatus and method |
| 06/15/1994 | CN2169214Y Small diameter satellite TV antenna |
| 06/15/1994 | CN2169212Y TV picture enlarger with remote control direction turning |
| 06/09/1994 | WO1994013028A1 Tunable microwave devices incorporating high temperature superconducting and ferroelectric films |
| 06/09/1994 | WO1994012992A1 Anisotropic microwave composite |
| 06/09/1994 | CA2150690A1 Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films |
| 06/08/1994 | EP0600715A2 Active transmit phased array antenna |
| 06/08/1994 | EP0600699A1 Mobile receiver for satellite broadcast |
| 06/08/1994 | CN2168342Y High-gain receiving antenna of satellite television |
| 06/07/1994 | US5319477 Compact polarization independent optical switching units |
| 06/07/1994 | US5319379 Parabolic dual reflector antenna with offset feed |
| 06/07/1994 | US5319375 Segmented planar near-field antenna testing |
| 05/26/1994 | WO1994011956A1 Radio communications system using a scanned directional antenna |
| 05/26/1994 | WO1994011919A1 Improvements in or relating to automatic feed horns |
| 05/26/1994 | WO1994011918A1 Dish antenna structures and hydraulic control of the orientation thereof |
| 05/25/1994 | CN2166525Y Remote-control automatic orientation apparatus for antenna of TV |
| 05/24/1994 | US5315532 Method and device for real-time signal separation |
| 05/24/1994 | CA2013632C Antenna pointing device |
| 05/19/1994 | DE4231228A1 Antenna driver for reception from several geostationary satellites - incorporates horn and polariser carrier driven by DC motor along threaded spindle between magnetic limit-of-travel switches |
| 05/17/1994 | US5313219 Shipboard stabilized radio antenna mount system |
| 05/17/1994 | US5313215 Satellite identification and antenna alignment |
| 05/17/1994 | US5312790 Ceramic ferroelectric material |
| 05/11/1994 | EP0596784A1 Search and track radar antenna |
| 05/11/1994 | DE4131609A1 Verfahren zum Betreiben einer verformbaren Wandlergruppe und Vorrichtung zur Durchführung des Verfahrens Method for operating a deformable transducer group and device for carrying out the method |
| 05/10/1994 | US5311200 Millimeter wave variable width waveguide scanner |
| 05/10/1994 | US5311196 Optical system for microwave beamforming using intensity summing |
| 05/10/1994 | US5311190 Transmit and receive antenna element with feedback |
| 05/05/1994 | DE4328842A1 Satellite receiver antenna arrangement - moves linearly in dependence on receiver skew function to optimal reception position |
| 05/05/1994 | DE4234559A1 Search antenna for locating buried mines - contains monopole or dipole of metal rods with damping resistances or of high impedance, weakly conducting plastics material elements contg. graphite or carbon@ |
| 05/04/1994 | EP0595726A1 Phase shifter for electromagnetic waves and application in an antenna with electronic scanning |
| 05/04/1994 | EP0595247A1 Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor |
| 05/04/1994 | EP0506838B1 Broadband circular phased array antenna |
| 05/04/1994 | CN2164117Y Polar axle type mechanical drive and control device of paraboloid antenna |
| 05/03/1994 | US5309409 Target detection system |
| 05/03/1994 | US5309166 Ferroelectric-scanned phased array antenna |
| 05/03/1994 | US5309162 Automatic tracking receiving antenna apparatus for broadcast by satellite |
| 05/03/1994 | US5308966 Hand-held instant bar code reader having automatic focus control for operation over a range of distances |
| 04/28/1994 | WO1994009568A1 Adaptive co-channel interference reduction system for cellular telephone central base stations |
| 04/27/1994 | EP0593822A1 Base station antenna arrangement |
| 04/27/1994 | CN2163447Y Multi-satellite TV antenna |
| 04/26/1994 | US5307073 Optically controlled phased array radar |
| 04/26/1994 | CA1328923C Plural layer coupling system |
| 04/21/1994 | DE4235285A1 Transformation of UTM projection coordinates in navigation system - deriving two-dimensional coordinate system rotation angle from given formula |
| 04/19/1994 | US5305009 Hybrid electronic-fiberoptic system for phased array antennas |
| 04/19/1994 | US5304999 Polarization agility in an RF radiator module for use in a phased array |
| 04/19/1994 | CA2009423C Aperture synthesized radiometer using digital beamforming techniques |
| 04/14/1994 | WO1994008360A1 Ajustable-aiming antenna mount, particularly for satellite telecommunication antenna |
| 04/14/1994 | CA2145540A1 Adjustable-aiming antenna mount, particularly for satellite telecommunication antenna |
| 04/13/1994 | EP0371133B1 Holographic radar |
| 04/13/1994 | CN2162000Y Electric aerial support for satellite |
| 04/12/1994 | US5303240 Telecommunications system using directional antennas |
| 04/12/1994 | US5302960 Multi-element susceptibility room |
| 04/12/1994 | US5302959 Single element driver architecture for ferrite based phase shifter |
| 04/12/1994 | CA1328504C Microstrip antenna system with multiple frequency elements |
| 04/06/1994 | EP0591049A1 Method for antenna calibration in the near field for active antenna |
| 04/06/1994 | EP0589904A1 Flat aerial |
| 04/05/1994 | US5300935 Antenna controlling apparatus and method thereof |
| 03/31/1994 | WO1994007081A1 Apparatus for the three-dimensional orientation of an object |
| 03/29/1994 | US5298908 Interference nulling system for antennas |
| 03/23/1994 | EP0588179A1 Device for operating a wideband phased array antenna |
| 03/23/1994 | EP0588045A1 Method of exchanging data between a fixed station and moving objects |
| 03/22/1994 | US5296867 Electronic switching device for an antenna switchable in the VHF and UHF frequency ranges |
| 03/22/1994 | US5296864 Beam compression process for antenna pattern |
| 03/22/1994 | US5296863 Beam compression process for antenna pattern |
| 03/22/1994 | US5296862 Method for automatically positioning a satellite dish antenna to satellites in a geosynchronous belt |
| 03/16/1994 | EP0586889A2 Method for measuring the amplitude and phase of a plurality of high frequency signals |
| 03/16/1994 | CN2159068Y Antenna with automatic finding satellite device |
| 03/15/1994 | US5294939 Electronically reconfigurable antenna |
| 03/15/1994 | US5294934 Phase measuring circuit of phased array antenna |
| 03/08/1994 | US5293172 Reconfiguration of passive elements in an array antenna for controlling antenna performance |
| 03/08/1994 | CA2002108C Electronic scanning antenna |
| 03/08/1994 | CA1327644C Distributed planar array beam steering control with aircraft roll compensation |
| 03/02/1994 | EP0584635A1 Device for obtaining the aperture configuration of a phased array antenna |
| 03/02/1994 | EP0298098B1 Ultra high-speed light activated microwave switch/modulator using photoreactive effect |
| 03/01/1994 | US5291565 Broad band, low power electro-optic modulator apparatus and method with segmented electrodes |
| 02/24/1994 | DE4227200A1 Antenna holder for satellite receiver antenna - supports antenna on upper holder part pivotable relative to rotatable lower part attached to support |
| 02/15/1994 | US5287118 Layer frequency selective surface assembly and method of modulating the power or frequency characteristics thereof |
| 02/15/1994 | US5287117 Communication system for transmitting data between a transmitting antenna utilizing a phased array antenna and a receive antenna in relative movement to one another |
| 02/15/1994 | US5287115 Automatic adjustment of receiver apparatus based on channel-bit-error-rate-affected parameter measurement |
| 02/15/1994 | CA1327076C Satellite antenna alignment system |
| 02/15/1994 | CA1327075C Method of feeding electromagnetic power from an antenna element |
| 02/09/1994 | EP0582233A1 Adaptive receiver for multipath fading channels |
| 02/09/1994 | CN2155628Y Infrared remote-controlled TV aerial |
| 02/02/1994 | CN2155078Y Dual-purpose rotatable antenna |
| 02/01/1994 | US5283590 Antenna beam shaping by means of physical rotation of circularly polarized radiators |
| 02/01/1994 | US5283587 Active transmit phased array antenna |
| 02/01/1994 | CA2045466C Signal routing system |
| 02/01/1994 | CA2026066C Multibeam antenna feed device |
| 01/27/1994 | DE4321805A1 Vehicle FM and TV broadcasting antenna system - combines phase shifted broadcast signals and selects signal for best reception using diversity control |
| 01/25/1994 | US5281975 Base support for movable antenna |
| 01/25/1994 | US5281974 Antenna device capable of reducing a phase noise |
| 01/20/1994 | DE4223676A1 Adaptive spatial filtering or noise suppression in radio reception - provides class of possible linear planar or spatial group geometries of groups of antennae |
| 01/19/1994 | EP0579408A1 Automatic adjustment of receiver apparatus based on a bit-error-rate related parameter measurement |
| 01/19/1994 | EP0579407A1 Satellite identification and antenna alignment |