| 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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| 09/21/1993 | US5247309 Opto-electrical transmitter/receiver module |
| 09/21/1993 | CA1322395C Microwave transmitting-receiving device for use in buried object imaging |
| 09/16/1993 | DE4307675A1 Satellite TV receiver for multiple satellites - has fixed dish with feed-horn mounted in such way to allow adjustment to receive signals from one or more nearby satellites. |
| 09/14/1993 | US5245352 Threshold sensitive low visibility reflecting surface |
| 09/14/1993 | US5245351 Orientation adjusting device for a satellite transmitting signal antenna |
| 09/14/1993 | US5245349 Flat-plate patch antenna |
| 09/14/1993 | US5245348 Tracking antenna system |
| 09/07/1993 | USH1230 Microstrip frequency-scan antenna |
| 09/07/1993 | US5243358 Directional scanning circular phased array antenna |
| 09/07/1993 | US5243354 Microstrip electronic scan antenna array |
| 09/07/1993 | US5243350 Optical control of TR modules |
| 09/07/1993 | US5243186 Photonic electromagnetic field sensor apparatus |
| 09/01/1993 | EP0557853A1 Data link antenna system |
| 08/31/1993 | US5241319 Antenna beam pointing method for satellite mobile communications system |
| 08/26/1993 | DE4205500A1 Transmitter tracking system for reflector antenna - uses cyclic sampling of energisers offset symmetrically from reflector axis for deflection of reception cone with weighting to compensate frequency |
| 08/24/1993 | US5239301 Phase/phase/frequency-scan radar apparatus |
| 08/24/1993 | CA1321640C Antenna device capable of reducing a phase noise |
| 08/18/1993 | EP0307445B1 Plural level beam-forming network |
| 08/17/1993 | US5237629 Digitally controlled distributed phase shifter |
| 08/17/1993 | US5237328 Phase modulation means |
| 08/10/1993 | US5235343 High frequency antenna with a variable directing radiation pattern |
| 08/10/1993 | US5235342 Antenna array with system for locating and adjusting phase centers of elements of the antenna array |
| 08/10/1993 | CA1321263C Antenna system with adjustable beam width and beam orientation |
| 08/03/1993 | US5233358 Antenna beam forming system |
| 08/01/1993 | WO1993015531A1 Reduction of sidelobes in optical arrays |
| 08/01/1993 | CA2101173A1 Reduction of sidelobes in optical arrays |
| 07/29/1993 | DE4201933A1 Synthetic aperture radar antenna with symmetrical halves - has waveguides arranged on top of each other to form antenna subgroups, and lateral slots on wave guides |
| 07/27/1993 | US5231413 Airborne iff antenna with switchable multiple patterns |
| 07/27/1993 | US5231405 Time-multiplexed phased-array antenna beam switching system |
| 07/27/1993 | US5231404 Dual-polarized cross-correlating radiometer and method and apparatus for calibrating same |
| 07/21/1993 | EP0551780A1 A phase controlled reflector antenna array |
| 07/21/1993 | CN2138841Y DC direction turning and amplification integrate TV receiving antenna |
| 07/20/1993 | US5229783 Field adjustable sectoral antenna |
| 07/20/1993 | US5229781 Fine pointing system for reflector type antennas |
| 07/20/1993 | US5229776 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique |
| 07/13/1993 | US5227800 Contraband detection system |
| 07/13/1993 | US5227669 Superconducting non-linear device |
| 07/07/1993 | EP0549718A1 Apparatus and methods for simulating electromagnetic environments |
| 07/07/1993 | CN2137822Y Fully-automatic tracing type tv antenna |
| 07/06/1993 | US5225841 Glittering array for radar pulse shaping |
| 07/06/1993 | US5225668 Photonic electromagnetic field sensor apparatus |
| 07/06/1993 | CA1319963C Equal power amplifier system for active phase array antenna and method of arranging same |
| 06/30/1993 | CN1073809A Antenna controlling apparatus and method thereof |
| 06/29/1993 | US5223846 Multiple-beam transmission system |
| 06/29/1993 | US5223845 Array antenna and stabilized antenna system |
| 06/24/1993 | WO1993012590A1 Spatial division multiple access wireless communication systems |
| 06/24/1993 | WO1993012558A1 Apparatus for directing antenna on mobile body |
| 06/24/1993 | WO1993012556A1 Ferroelectric-scanned phased array antenna |
| 06/24/1993 | WO1993012474A1 Time delay beam formation |
| 06/24/1993 | WO1993012440A1 A digital beamforming array |
| 06/24/1993 | DE4223138A1 Double reflector radar antenna with variable directional characteristic - has movable metal or metallised element within radiation field of main reflector or pivoted edge around main reflector |
| 06/24/1993 | CA2125696A1 Time delay beam formation |
| 06/23/1993 | EP0547274A1 Calibration of plural - channel system |
| 06/22/1993 | US5222162 Monolithic integrated optical time delay network for antenna beam steering |
| 06/16/1993 | EP0546901A1 Light multipolarized antenna |
| 06/16/1993 | EP0546812A1 Wide field-of-view fixed body conformal antenna direction finding array |
| 06/16/1993 | EP0546803A1 Diversity antenna |
| 06/16/1993 | EP0546515A1 Receiving antenna apparatus for broadcast by satellite |
| 06/16/1993 | EP0546513A1 Automatic tracking receiving antenna apparatus for broadcast by satellite |
| 06/15/1993 | US5220340 Directional switched beam antenna |
| 06/15/1993 | US5220330 Broadband conformal inclined slotline antenna array |
| 06/15/1993 | US5220163 Microwave adaptive transversal filter employing variable photonic delay lines |
| 06/12/1993 | CA2085096A1 Diversity antenna |
| 06/10/1993 | WO1993011581A1 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique |
| 06/10/1993 | WO1993011580A1 An apparatus and method for correcting electrical path length phase errors |
| 06/10/1993 | WO1993011579A1 Monolithic integrated optical time delay network for antenna beam steering |
| 06/10/1993 | WO1993011442A1 Method for optimizing error corrections for binary logic components |
| 06/10/1993 | CA2123311A1 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique |
| 06/09/1993 | EP0545742A1 Method and device for the rejection of harmonics emitted by an active antenna having electronic scanning |
| 06/08/1993 | US5218359 Adaptive array antenna system |
| 06/08/1993 | US5218358 Low cost architecture for ferrimagnetic antenna/phase shifter |
| 06/03/1993 | DE4139102A1 Reflective antenna system with correction of comatic lobe - has secondary excitation stage providing phases shift to suppress comatic lobe |
| 06/02/1993 | EP0544378A1 Phased array antenna module |
| 06/01/1993 | US5216431 Pedestal assembly having an RFI/EMI labyrinth shield |
| 05/28/1993 | CA2083539A1 Phased array antenna module |
| 05/27/1993 | WO1993010571A1 Ferroelectric-scanned phased array antenna |
| 05/27/1993 | WO1993010569A1 An rf phase shifting device in a waveguide flange |
| 05/26/1993 | EP0543509A2 Polarization agility in an RF radiator module for use in a phased array |
| 05/26/1993 | CN2134720Y Small vertical pole type antenna orientation regulating mechanism |
| 05/26/1993 | CN2134719Y Microcomputerized antenna follow-up control means |
| 05/25/1993 | US5214436 Aircraft antenna with coning and banking correction |
| 05/25/1993 | US5214435 Near field monitor for a microwave landing system |
| 05/25/1993 | US5214364 Microprocessor-based antenna rotor controller |
| 05/25/1993 | US5214361 Device for supporting and rotating a payload relative to a structure, in particular for a satellite antenna pointing mechanism |
| 05/25/1993 | CA1318394C Antenna apparatus and attitude control method |
| 05/21/1993 | CA2081998A1 Polarization agility in an rf radiator module for use in a phased array |
| 05/19/1993 | EP0542595A1 Microstrip antenna device especially for satellite telephone transmissions |
| 05/19/1993 | EP0542440A1 Processing method for antenna patterns |
| 05/19/1993 | CN2133941Y Small-caliber broad-band antenna |
| 05/19/1993 | CN1020831C Method of and apparatus for automatically calibrating phased-array antenna |
| 05/18/1993 | US5212725 Telephone being signal responsive for extending and retracting an antenna |
| 05/18/1993 | CA1317796C Two motor redundant drive mechanism |
| 05/13/1993 | WO1993009614A1 Beam compensation methods for satellite communication system |
| 05/13/1993 | WO1993009613A1 Satellite communication system |
| 05/13/1993 | DE4136801A1 Group antenna for multiple transmit and receive modes - has input stages providing conversion to optical form for handling over optical fibre antenna network |
| 05/13/1993 | CA2121587A1 Satellite communication system |
| 05/13/1993 | CA2121349A1 Beam compensation methods for satellite communication system |
| 05/12/1993 | EP0541276A1 Broadband conformal inclined slotline antenna array |
| 05/11/1993 | US5210542 Microstrip patch antenna structure |
| 05/11/1993 | CA1317657C Two dimensional acousto-optic signal processor using a circular antenna array and a butler matrix |