Patents for H01Q 21 - Aerial arrays or systems (25,127) |
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04/30/1996 | US5512911 Microwave integrated tuned detector |
04/30/1996 | US5512910 Microstrip antenna device having three resonance frequencies |
04/30/1996 | US5512906 Clustered phased array antenna |
04/24/1996 | EP0708490A1 Antenna having a waveguide structure and method of its manufacture |
04/24/1996 | EP0707773A1 Point-to-multipoint cellular television transmission system |
04/24/1996 | EP0707762A1 Mobile radio aerial installation |
04/24/1996 | EP0474788B1 Acoustically coupled antenna |
04/23/1996 | US5510803 Dual-polarization planar antenna |
04/21/1996 | CA2133926A1 Sparse array structures |
04/18/1996 | DE4436975A1 Electronic object monitoring installation |
04/17/1996 | EP0707220A2 Radar module and radar system |
04/16/1996 | US5508710 Conformal multifunction shared-aperture antenna |
04/10/1996 | EP0645030A4 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power. |
04/09/1996 | US5506592 Multi-octave, low profile, full instantaneous azimuthal field of view direction finding antenna |
04/09/1996 | US5506591 Television broadcast antenna for broadcasting elliptically polarized signals |
04/09/1996 | US5506589 Monopulse array system with air-stripline multi-port network |
04/04/1996 | WO1996010277A1 Planar high gain microwave antenna |
04/04/1996 | WO1996010276A1 Ring microstrip antenna array |
04/04/1996 | WO1996009941A1 Concealed mobile communications system |
04/04/1996 | DE4435344A1 Group antennae for hand-held mobile radio |
04/03/1996 | EP0704929A2 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
04/03/1996 | EP0481048B1 Microstrip radiator for circular polarization free of welds and floating potentials |
04/02/1996 | US5504746 Radio frequency local area network |
04/02/1996 | US5504495 Field convertible NTSC/HDTV broadcast antennas |
04/02/1996 | US5504493 Active transmit phased array antenna with amplitude taper |
03/28/1996 | DE19535350A1 Radar transponder Radar transponder |
03/27/1996 | EP0703638A1 Method and device for enlragement of the radiation diagram for an active antenna |
03/26/1996 | US5502454 Electrical conducting sheel structure for coaxial collinear array antenna |
03/26/1996 | US5502453 Planar antenna having polarizer for converting linear polarized waves into circular polarized waves |
03/21/1996 | WO1996008877A2 Hitless ultra small aperture terminal satellite communication network |
03/20/1996 | WO1996009662A1 Continuous transverse stub element devices and methods of making same |
03/20/1996 | EP0702424A1 Antenna feed and beamforming network |
03/20/1996 | CN1119057A Dual distributed antenna system |
03/20/1996 | CN1118880A Radio frequency identification tag |
03/14/1996 | WO1996007938A1 Radio frequency identification tag |
03/14/1996 | DE4435609C1 Adaptive polarisation conversion system for electromagnetic waves |
03/13/1996 | CN1118636A Antenna system |
03/12/1996 | US5499035 Phased array antenna aperture and method |
03/12/1996 | US5499033 Polarization diversity antenna |
03/12/1996 | US5499029 Method for determining the presence of an object |
03/10/1996 | CA2153440A1 Radio frequency identification tag |
03/06/1996 | EP0700115A1 Stripline antenna |
03/06/1996 | EP0394489B1 Array antenna and a feeder device therefor |
03/05/1996 | US5497166 Dual frequency batwing antenna |
03/05/1996 | CA2037911C Microstrip antenna system |
03/03/1996 | CA2156895A1 Stripline antenna |
03/02/1996 | CA2157139A1 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
02/28/1996 | EP0698972A1 Antenna for multipath satellite communication links |
02/28/1996 | EP0698939A1 Radar antenna array for wind profilers |
02/28/1996 | EP0698938A2 Antenna apparatus and information transmitting system |
02/27/1996 | US5495262 Molded plastic microwave antenna |
02/27/1996 | US5495259 Compact parametric antenna |
02/27/1996 | US5495258 Multiple beam antenna system for simultaneously receiving multiple satellite signals |
02/27/1996 | US5495255 FM radar system |
02/24/1996 | CA2151860A1 Antenna for multipath satellite communication links |
02/21/1996 | EP0697141A1 Slot array antennas |
02/20/1996 | US5493307 Sidelobe canceler |
02/20/1996 | US5493305 Small manufacturable array lattice layers |
02/15/1996 | WO1996004730A1 Hitless ultra small aperture terminal satellite communication network |
02/14/1996 | CN2220124Y Wide frequency band omnidirectional antenna for TV set |
02/14/1996 | CN1116779A Bidirectional printed antenna |
02/07/1996 | EP0580590B1 Aerial arrangement |
02/06/1996 | US5489913 For use with signals at vhf and uhf |
01/31/1996 | EP0694984A1 Antenna arrangement with an asymmetric ground distribution particularly for wireless telecommunications systems |
01/30/1996 | US5488380 Packaging architecture for phased arrays |
01/24/1996 | EP0693246A1 Transceiver algorithms of antenna arrays |
01/23/1996 | US5486837 Compact microwave antenna suitable for printed-circuit fabrication |
01/23/1996 | US5486835 Low cost telemetry receiving system |
01/16/1996 | US5485631 Manifold antenna structure for reducing reuse factors |
01/16/1996 | US5485167 Multi-frequency band phased-array antenna using multiple layered dipole arrays |
01/11/1996 | WO1996000990A1 Antenna device and portable radio device |
01/11/1996 | DE19523805A1 Microstrip antenna for microwave range |
01/10/1996 | EP0691703A1 Communications antenna structure |
01/10/1996 | CN2217266Y Back radiation type aerial |
01/10/1996 | CN2217265Y Broad band combination aerial placed on air plane |
01/09/1996 | US5483693 Combining antenna element signals |
01/04/1996 | WO1996000401A1 Electronic viewing aid |
01/03/1996 | EP0690522A2 Flat antenna low-noise block down converter capacitively coupled to feed network |
01/02/1996 | US5481272 Circularly polarized microcell antenna |
12/29/1995 | CA2149186A1 Flat antenna low-noise block down converter capacitively coupled to feed network |
12/27/1995 | EP0689301A1 System of omnidirectional antennae having angular and polarisation diversity |
12/27/1995 | EP0689264A2 Multiple band folding antenna |
12/27/1995 | EP0688482A1 A cellular/satellite communications system with improved frequency re-use |
12/21/1995 | WO1995031070A3 Point-to-multipoint cellular television transmission system |
12/21/1995 | DE4421191A1 Direction finding method for determining azimuthal direction of incidence of EM waves |
12/20/1995 | EP0688040A2 Bidirectional printed antenna |
12/19/1995 | US5477231 Microstrip antenna device, particularly for a UHF receiver |
12/19/1995 | CA2074657C Microwave antenna array |
12/15/1995 | CA2066140A1 Radar antenna of the omnidirectional azimuth pointing and computational beamforming fixed array type |
12/14/1995 | WO1995034104A1 Planar antenna array and associated microstrip radiating element |
12/14/1995 | WO1995034102A1 Microstrip antenna array |
12/14/1995 | CA2191956A1 Microstrip antenna array |
12/13/1995 | EP0687031A2 Base station antenna arrangement |
12/13/1995 | EP0686313A1 Antenna system |
12/12/1995 | US5475394 Waveguide transition for flat plate antenna |
12/06/1995 | EP0685945A1 Antenna apparatus having antenna elements for different frequencies |
12/06/1995 | EP0685901A2 A feed structure for use in a wireless communication system |
12/05/1995 | US5473334 Antenna for transmitting rf energy |
12/02/1995 | CA2147399A1 Feed structure for use in a wireless communication system |
11/29/1995 | EP0684704A2 A diversity antenna for a wrist telephone |