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

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)
11/1994
11/09/1994	EP0472709B1 Device for producing optical delays and application to an optical control system of a sweep aerial
11/09/1994	EP0457880B1 Airborne iff antenna with switchable multiple diagrams
11/09/1994	CN1026537C Amplifying and steering party-line device of television antenna
11/02/1994	EP0622864A1 Antenna apparatus capable of producing desirable antenna radiation patterns without modifying antenna structure
11/01/1994	US5361077 Acoustically coupled antenna utilizing an overmoded configuration
11/01/1994	US5361074 Mainlobe canceller system
11/01/1994	US5360973 Millimeter wave beam deflector
10/1994
10/27/1994	WO1994024588A1 Time delay beam formation
10/26/1994	EP0621654A2 An active antenna array
10/26/1994	CN2181092Y Electronic converting type all-direction active television antenna
10/26/1994	CN2181091Y Proportion controller for outdoor antenna rotation machine
10/26/1994	CN2181090Y 360 deg. rotation antenna signal transmission device
10/25/1994	US5359337 Stabilized antenna system
10/20/1994	CA2121153A1 Active antenna array
10/19/1994	EP0346394B1 A transmit-receive means for phased-array active antenna system
10/18/1994	US5357260 Antenna scanned by frequency variation
10/18/1994	US5357259 Aircraft deployable rotating phased array antenna
10/13/1994	WO1994023469A1 Two axis mount pointing apparatus
10/12/1994	EP0619622A2 Monopulse array system with airstripline multi-port network
10/11/1994	US5355381 Self-heterodyne optical fiber communications system
10/11/1994	US5355145 Satellite dish actuator mounting construction
10/11/1994	US5355143 Enhanced performance aperture-coupled planar antenna array
10/11/1994	US5355139 Microstrip antenna system
10/10/1994	CA2120540A1 Monopulse array system with air-stripline multi-port network
10/05/1994	EP0618641A2 Ultra wideband phased array antenna
10/05/1994	EP0618640A1 Enhanced tunability for low-dielectric-constant ferroelectric materials
10/05/1994	EP0618639A2 Antenna apparatus and antenna system
10/05/1994	EP0617796A1 A digital beamforming array
10/05/1994	CN2178944Y Universal active aerial
10/04/1994	US5353033 Optoelectronic phased array with digital transmit signal interface
10/04/1994	US5353032 Circuit including a phase shifter for generating signals for electronically scanned antennas
10/02/1994	CA2120282A1 Enhanced tunability for low-dielectric-constant ferroelectric materials
09/1994
09/29/1994	DE4309112A1 Method for reducing interference from electromagnetic noise signals in receiving devices and a device to carry out the method
09/28/1994	EP0616742A1 Spatial division multiple access wireless communication systems
09/28/1994	EP0616705A1 Time delay beam formation
09/28/1994	CN2178389Y Half ball paraboloid U.V compatible full frenquency channel steering antenna
09/27/1994	US5351060 Antenna
09/27/1994	US5351054 Radar target with delayed reply means
09/27/1994	US5351053 Ultra wideband radar signal processor for electronically scanned arrays
09/22/1994	DE4308223A1 Device for reflecting electromagnetic waves
09/21/1994	EP0615659A1 Method for field monitoring of a phased array microwave landing system far field antenna pattern employing a near field correction technique.
09/20/1994	US5349364 Electromagnetic power distribution system comprising distinct type couplers
09/20/1994	US5349360 Electronically controlled antenna system
09/20/1994	CA2037849C Method for constructing the radiation pattern of an electronic scanning radar high efficiency active antenna and antenna using said method
09/20/1994	CA2037841C High efficiency active printed antenna system for an agile space radar
09/15/1994	WO1994021002A1 Drive arrangement for mechanically-steered antennas
09/14/1994	EP0614533A1 Method for optimizing error corrections for binary logic components.
09/13/1994	US5347288 Optical commutator
09/13/1994	US5347287 Conformal phased array antenna
09/13/1994	US5347286 Communications system
09/13/1994	US5346400 Sensor rotating apparatus
09/07/1994	EP0614246A1 Array antenna
09/07/1994	EP0335942B1 Microwave radiometer
09/07/1994	CN2176605Y Locator of satellite receiving antenna
09/06/1994	US5345321 Compact polarization dependent optical switching units
09/06/1994	CA2037710C Forward looking radar
08/1994
08/31/1994	EP0613208A1 Rotatable curtain antenna system
08/30/1994	US5343211 Phased array antenna with wide null
08/30/1994	US5343173 Phase shifting network and antenna and method
08/24/1994	EP0611501A1 Beam compensation methods for satellite communication system.
08/24/1994	EP0611500A1 Satellite communication system
08/23/1994	CA2037711C Forward looking radar
08/23/1994	CA2035599C Antenna system with adjustable beam width and beam orientation
08/18/1994	WO1994018720A1 Radar antenna
08/18/1994	WO1994018718A1 Portable antenna test apparatus
08/17/1994	CN1090952A Diversity antenna structure having closely-positoned antenna
08/16/1994	US5339284 Signal processor for elimination of sidelobe responses and generation of error signals
08/16/1994	US5339087 Wavefront simulator for evaluating RF communication array signal processors
08/16/1994	US5339086 Phased array antenna with distributed beam steering
08/10/1994	EP0511240B1 Real time signal separation method and device
08/10/1994	CN2173994Y U and V compatible rotating antenna for TV
08/09/1994	US5337066 Antenna system with a limitable communication area
08/09/1994	US5337062 Deployable satellite antenna for use on vehicles
08/09/1994	US5337059 Apparatus and method for determining the aperture illumination of a phased-array antenna
08/04/1994	WO1994014209A3 Optical self-heterodyne remote antenna system
08/04/1994	DE4314816A1 Satellite reception aerial with stationary reflector
08/02/1994	US5334958 Microwave ferroelectric phase shifters and methods for fabricating the same
08/02/1994	CA2011483C Antenna beam forming system
07/1994
07/27/1994	EP0608000A1 Antenna apparatus and attitude control method
07/26/1994	US5333002 Full aperture interleaved space duplexed beamshaped microstrip antenna system
07/26/1994	US5333001 Multifrequency antenna array
07/26/1994	US5333000 Coherent optical monolithic phased-array antenna steering system
07/26/1994	CA2032400C Device for measuring flexural displacement of an antenna support rod staff, and use thereof for pointing control of a motor driven orientable antenna
07/21/1994	WO1994016469A1 Multisatellite television antenna mount
07/21/1994	WO1994016339A1 A method for scanning with a coherent radar and a radar for carrying out the method
07/21/1994	CA2153575A1 Multisatellite television antenna mount
07/20/1994	EP0606514A1 Microstrip element phase-shift array antenna
07/20/1994	CN2172529Y Polar-axis 4-connecting rod steering base for satellite communication antenna
07/19/1994	CA2027183C Electronic scanning transmitting antenna
07/13/1994	CN2171925Y Follow anti-thunder TV. receiving antenna
07/13/1994	CN1089397A Antenna system with helical feeders
07/12/1994	US5329248 Power divider/combiner having wide-angle microwave lenses
07/12/1994	US5329118 Optical transversal filter
07/07/1994	WO1994015378A1 Diversity antenna structure having closely-positioned antennas.
07/07/1994	WO1994015226A1 Method of monitoring an area, and a device for carrying out the method
07/06/1994	EP0604956A2 Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer
07/05/1994	US5327148 Ferrite microstrip antenna
07/05/1994	US5327147 Microwave array antenna having sources of different widths
07/05/1994	US5327143 Multiple arm spiral antenna system with multiple beamforming capability
06/1994
06/29/1994	EP0603862A2 Transmit and receive antenna element with feedback

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