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