Patents
Patents for H01Q 19 - Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic (10,176)
01/1996
01/23/1996US5486950 Phase correcting zone plate
01/23/1996US5486838 Broadband omnidirectional microwave antenna for minimizing radiation toward the upper hemisphere
01/02/1996US5481272 Circularly polarized microcell antenna
01/02/1996US5481268 Doppler radar system for automotive vehicles
12/1995
12/27/1995EP0689264A2 Multiple band folding antenna
12/20/1995EP0688062A2 Adjustable fresnel zone plate
12/14/1995WO1995033515A1 Device for controlling oscillating electromagnetic fields, in particular radio waves
12/13/1995EP0686313A1 Antenna system
12/06/1995EP0685901A2 A feed structure for use in a wireless communication system
12/02/1995CA2147399A1 Feed structure for use in a wireless communication system
11/1995
11/30/1995WO1995032529A1 Ultrawideband antenna
11/30/1995DE4430832A1 Multiple beam aerial with transmission and receiving equipment
11/28/1995US5471224 Frequency selective surface with repeating pattern of concentric closed conductor paths, and antenna having the surface
11/22/1995EP0683541A1 Shaped-beam or scanned beams reflector or lens antenna
11/21/1995US5469128 Circuit elements for microwave and millimeter-wave bands and method of producing same
11/15/1995EP0682383A1 Multi beam antenna for microwave reception from multiple satellites
11/09/1995WO1995030256A1 Dual-array yagi antenna
11/08/1995EP0680664A1 Radar apparatus
11/08/1995CN2212268Y Multifunction satellite receiving antenna
11/02/1995WO1995029518A1 An antenna
11/02/1995EP0680111A1 Adjustable microwave antenna
10/1995
10/25/1995EP0678930A2 Broadband omnidirectional microwave antenna
10/19/1995DE4412770A1 Microwave lens aerial for car distance warning radar
10/19/1995DE4412769A1 Microwave reflector aerial for car distance warning radar
10/19/1995DE4412728A1 Car distance warning radar
10/18/1995EP0677212A1 Helical antenna system
10/18/1995EP0408676B1 Optical beam former for high frequency antenna arrays
10/17/1995US5459475 Wide scanning spherical antenna
10/11/1995EP0676825A2 Radar antenna with at least one primary radiator and a parabolic reflector for a traffic radar system in traffic-metering
10/11/1995EP0584153B1 Radiowave antenna system
10/03/1995US5455589 Antenna for directing electromagnetic radiation to/from radiation source
09/1995
09/27/1995EP0674356A1 Antenna array
09/26/1995US5453754 Dielectric resonator antenna with wide bandwidth
09/26/1995CA2027456C Satellite beam-forming network system having improved beam shaping
09/21/1995WO1995025387A1 Transceiver with antenna
09/19/1995US5451970 Radar antenna unit having a plurality of heat dissipating fins forming on the exterior of a cone shaped chamber
09/19/1995US5451969 Dual polarized dual band antenna
09/12/1995US5450053 Use of vanadium oxide in microbolometer sensors
09/07/1995DE4415078C1 Adaptive alignment system for array antenna
09/06/1995EP0670609A1 Multibeam antenna capable of receiving/transmitting same frequency signals, from/to one or more coplanar directions, simultaneously
09/05/1995US5448255 Dual band down converter for MMDS/MDS antenna
09/05/1995US5448254 Mechanism for mounting a receiving/transmitting horn in a satellite dish
08/1995
08/29/1995US5446470 Low-cost compact microwave antenna for a transmitter and/or receiver system mounted in a vehicle
08/23/1995CN2205993Y Satelline communication aerial
08/22/1995US5444455 Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction
08/15/1995US5442369 Toroidal antenna
08/11/1995CA2142130A1 Antenna
08/09/1995EP0666611A1 Scanning antenna with fixed dipole in a rotating cup-shaped reflector
08/08/1995US5440319 Integrated microwave antenna/downconverter
08/03/1995DE3825878C1 Monopulse target following radar system
08/01/1995US5438340 Elliptical feedhorn and parabolic reflector with perpendicular major axes
07/1995
07/18/1995US5434586 Multibeam antenna for receiving satellite waves
07/13/1995WO1995018980A1 Compact microwave and millimeter wave radar
07/05/1995CN2202976Y Decimeter band quarter dipole plate antenna
07/05/1995CN2202975Y Fequency-modulation dipole plate antenna
06/1995
06/28/1995CN2202356Y Feeding unit of marine paraboloid antenna
06/27/1995US5427032 Flare-antenna unit for system in which flare is remotely activated by radio
06/27/1995CA2033496C Field adjustable sectoral antenna
06/20/1995US5426443 Dielectric-supported reflector system
06/14/1995CN2200872Y Feed-source support stand of single paraboloid front feed antenna multi-satellite receive
06/14/1995CN2200871Y 6-12 frequency channel 4-dipole board antenna
06/14/1995CN2200870Y Supper-high-frequency, high-gain TV. antenna
06/13/1995US5424751 Motor driven shunt for gamma match antenna
06/08/1995WO1995015591A1 Planar antenna
06/07/1995EP0656671A1 Orientable antenna with maintenance of the polarisations axes
06/06/1995US5423072 Testing transmitter-receiver apparatus for sector cell base station
06/06/1995CA2022854C Multiple beam deployable space antenna system
06/01/1995DE4340391A1 Microwave antenna using hollow waveguide
05/1995
05/31/1995EP0655797A1 Quarter-wave gap-coupled tunable strip antenna
05/30/1995US5420596 Antenna for use in a miniature radio device
05/09/1995US5414427 Device for information transmission
04/1995
04/26/1995EP0649572A1 Phase correcting zone plate.
04/26/1995CN2195798Y Umbrella shape portable antenna
04/25/1995US5410324 Method and apparatus for determining antenna radiation patterns
04/12/1995EP0647977A1 Circularly polarized microcell antenna
04/12/1995EP0647359A1 Asr system for microburst detection
03/1995
03/28/1995US5402138 Integrated MMDS/MDS antenna and dual band down converter
03/28/1995US5402137 Equalized shaped reflector antenna system and technique for equalizing same
03/22/1995EP0644608A2 Double feeder for angular diversity for the illumination of a parabolic antenna reflector
03/22/1995EP0643876A1 Antenna
03/15/1995CN2192083Y Satellite TV antenna
03/14/1995US5398035 Satellite-tracking millimeter-wave reflector antenna system for mobile satellite-tracking
03/09/1995WO1995006963A1 Antenna system
03/07/1995USH1421 VHF satellite based radar antenna array
03/02/1995DE4329520A1 Antenna reflector
03/01/1995EP0640844A1 Electronically scanning dual beam antenna
02/1995
02/24/1995CA2125602A1 Broadband omnidirectional microwave antenna
02/15/1995EP0638956A1 Active antenna with electronic scanning in azimuth and elevation, particularly for microwave imaging by satellite
02/15/1995EP0638821A1 Microwave imaging radar system with double coverage area, to be installed on board a satellite
02/14/1995US5389944 Phase correcting reflection zone plate for focusing microwave
02/14/1995US5389941 Data link antenna system
02/14/1995US5389937 Wedge feed system for wideband operation of microstrip antennas
01/1995
01/25/1995EP0635899A1 Microstrip array antenna
01/24/1995US5384458 Photonic electromagnetic field sensor for use in a missile
01/22/1995CA2128454A1 Microstrip array antenna
01/19/1995DE4323351A1 Antenna having a variable polar diagram
01/18/1995EP0634058A1 Directional antenna, in particular a dipole antenna.
01/18/1995CN1027476C 天线系统 Antenna System
01/12/1995WO1995001661A1 Multiple-frequency microwave feed assembly
01/05/1995WO1995000982A1 Radiation sensor
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