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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11/17/1992 | US5164735 Optical implementation of a space fed antenna |
11/17/1992 | US5164734 Radar target with delayed reply means |
11/11/1992 | EP0512876A1 Circular polarized antenna |
11/11/1992 | EP0512487A1 Antenna with shaped lobe and high gain |
11/10/1992 | US5162805 Frequency diversity sidelobe canceller |
11/10/1992 | US5162804 Amplitude distributed scanning switch system |
11/10/1992 | US5162803 Beamforming structure for modular phased array antennas |
11/07/1992 | CA2067932A1 High gain shaped lobe antenna |
10/28/1992 | EP0510955A1 Optical beam forming apparatus using time delays for a phased array antenna |
10/28/1992 | EP0510708A1 Oscillating apparatus |
10/27/1992 | US5159486 Beam steering apparatus |
10/27/1992 | CA2066999A1 Oscillating apparatus |
10/22/1992 | DE4112837A1 Aerial reflector swivel mechanism - has reflector fitted at free end of jib arm, rotatably mounted by its opposite end between two spaced, lever arms |
10/21/1992 | EP0509843A2 Radar system with active array antenna, elevation-responsive PRF control, and beam multiplex control |
10/21/1992 | EP0509842A2 Radar processor with range sidelobe reduction following doppler filtering |
10/21/1992 | EP0509694A2 A built-in system for antenna calibration and performance monitoring of a phased array antenna |
10/20/1992 | US5157404 Phased arrays |
10/20/1992 | CA1309172C Dual mode phased array antenna system |
10/14/1992 | EP0508877A1 Method for reduction of side lobes in a radiation pattern of an active antenna array and antenna using the method |
10/14/1992 | CN1018686B Antenna which is electronically reconfigurable in transmission |
10/13/1992 | US5155492 Dual mode active aperture |
10/13/1992 | CA2062625A1 Method for reducing the secondary lobes of an active array antenna radiation pattern and antenna using said method |
10/07/1992 | EP0507688A1 Architecture of a space based payload |
10/07/1992 | EP0507440A1 Antenna |
10/06/1992 | US5153485 Biaxial rotary drive unit |
10/01/1992 | DE4110774A1 CB radio with expanded effective range - uses antenna diagram with zero node point to allow operation of closely spaced stations |
09/30/1992 | EP0506527A1 Device and method for testing an array antenna during operation |
09/30/1992 | EP0506061A1 Broadband continuously flared notch phased-array radiating element with controlled return loss contour |
09/30/1992 | CN1064971A Automatic steering tv. antenna |
09/30/1992 | CN1018495B C-band micro-band antenna for satellite ground receiving station |
09/29/1992 | US5152010 Highly directive radio receiver employing relatively small antennas |
09/29/1992 | US5151710 Apparatus for measuring bending movements of an antenna support mast, and application thereof to controlling the pointing of a motor-driven antenna |
09/29/1992 | US5151706 Apparatus for electronically controlling the radiation pattern of an antenna having one or more beams of variable width and/or direction |
09/29/1992 | US5151705 System and method of shaping an antenna radiation pattern |
09/29/1992 | CA2063147A1 Broadband continuously flared notch phase-array radiating element with controlled return loss contour |
09/27/1992 | CA2063764A1 Method and device for testing a multisource antenna in operation |
09/23/1992 | EP0505040A1 Microwave devices for controlling the direction of a beam |
09/23/1992 | EP0504589A2 Method for controlling an active antenna |
09/23/1992 | EP0504552A1 Multi-mode beam forming networks for multi beam reflector antenna |
09/23/1992 | EP0334866B1 Drive and locking system |
09/22/1992 | US5150336 Frequency dispersive transmitting array |
09/17/1992 | WO1992016048A1 T/r module with error correction |
09/17/1992 | WO1992016031A1 A frequency-discriminating dichroic structure with a variable passband and applications thereof |
09/16/1992 | CN2116283U Telecontrol steering tv antenna |
09/15/1992 | US5148182 Phased reflector array and an antenna including such an array |
09/13/1992 | CA2061399A1 Scanning electromagnetic beam systems |
09/09/1992 | EP0502818A1 Planar antenna |
09/08/1992 | US5146235 Helical uhf transmitting and/or receiving antenna |
09/08/1992 | US5146233 Rotating antenna with dipoles for hf waves |
09/08/1992 | US5146230 Electromagnetic beam system with switchable active transmit/receive modules |
09/08/1992 | US5146190 Circuit for the switching of a microwave output signal towards a first or second output |
09/02/1992 | EP0501825A2 Method for providing beam steering in a subaperture-addressed optical bean steerer |
09/02/1992 | EP0501824A2 Optical beam steerer having subaperture addressing |
09/02/1992 | EP0312588B1 Multifunction active array |
09/01/1992 | US5144327 Source of microwave radiation for an electronic sweeping antenna which absorbs reflected energy |
09/01/1992 | US5144320 Switchable scan antenna array |
09/01/1992 | US5144319 Planar substrate ferrite/diode phase shifter for phased array applications |
09/01/1992 | US5143334 Low moving mass two axis gimbal |
09/01/1992 | CA1307045C Three terminal remotely controlled spdt antenna switch |
09/01/1992 | CA1307044C Reflector surface adjustment structure |
08/29/1992 | CA2062009A1 Tracking antenna system |
08/26/1992 | EP0277205B1 Satellite communications system employing frequency reuse |
08/26/1992 | CN2114223U Aerial support for satellite tv receiving station |
08/25/1992 | US5142595 Microwave system employing optically phased conformal antennas having photonic interconnects and method of forming photonic interconnects |
08/25/1992 | US5142290 Wideband shaped beam antenna |
08/20/1992 | CA2059930A1 Superresolution beamformer for large order phased array system |
08/18/1992 | US5140335 Back-to-back ridged branch manifold structure for a radar frequency antenna |
08/18/1992 | US5140333 System and method for operating transmit/receive modules of active aperture phased array antennas |
08/18/1992 | US5140331 Radar antenna arrangement |
08/12/1992 | EP0498699A1 Pointing mechanism for a payload, especially for a satellite antenna |
08/12/1992 | EP0498524A2 Detection system |
08/12/1992 | CN1017847B Quincuncial omnidirectional receiving antenna for tv |
08/06/1992 | WO1992013372A1 Broadband antenna |
08/06/1992 | WO1992013304A1 Device for orientation and adjustment according to at least one of the three space directions of the position of a part, particularly an electromagnetic wave reception or emission antenna |
08/05/1992 | EP0497652A1 Device for the electronic control of the radiation pattern of a single or multi beam antenna with variable direction and/or width |
08/04/1992 | US5136295 Airborne fiber optic decoy architecture |
08/04/1992 | US5136271 Microwave integrated circuit mountings |
08/04/1992 | US5136265 Discrete increment signal processing system using parallel branched n-state networks |
07/30/1992 | DE4102410A1 Phase controlled aerial for MM wavelength range - has planar aerial array in form of reflect array for primary radiator |
07/29/1992 | EP0496381A2 Method and apparatus for testing phase shifter modules of a phased array antenna |
07/29/1992 | CN2111568U Multi-source tv receiving antenna for satellite signal |
07/29/1992 | CN2111567U Infrared remote control unit for antenna swaying |
07/28/1992 | US5134420 Bicone antenna with hemispherical beam |
07/28/1992 | US5134417 Plural frequency matrix multiplexer |
07/28/1992 | US5134416 Scanning antenna having multipath resistance |
07/23/1992 | WO1992012551A1 Improved tracking system |
07/22/1992 | CN1062997A Rotating antenna with wire dipoles |
07/21/1992 | US5132693 Radar apparatus |
07/21/1992 | US5132686 Forward looking radar |
07/16/1992 | DE4202568A1 Polariser controller for satellite receiving antenna - controls value of differential current supplied to polariser w.r.t. evaluation of control signal sent via coaxial cable |
07/14/1992 | US5130717 Antenna having elements with programmable digitally generated time delays |
07/14/1992 | CA1305249C Scanning antenna |
07/07/1992 | US5128688 Mast translation and rotation drive system utilizing a ball drive screw and nut assembly |
07/07/1992 | US5128683 Radar system with active array antenna, elevation-responsive PRF control, and beam multiplex control |
07/07/1992 | US5128682 Directional transmit/receive system for electromagnetic radiation with reduced switching |
07/01/1992 | EP0493255A1 Protection system for a piece of electronic equipment |
07/01/1992 | EP0493237A1 Rotary curtain antenna with dipoles |
07/01/1992 | EP0493014A1 Patch antenna |
07/01/1992 | EP0492821A2 Digital beam-forming technique using temporary noise injection |
07/01/1992 | EP0492010A1 Frequency independent circular array |