Patents for H01Q 21 - Aerial arrays or systems (25,127) |
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09/14/2000 | WO2000022451A9 A dual channel microwave transmit/receive module for an active aperture of a radar system |
09/14/2000 | DE19910571A1 Rundfunkempfangsvorrichtung Broadcasting receiving apparatus |
09/14/2000 | CA2364445A1 A microstrip antenna arrangement in a communication device |
09/13/2000 | EP1035659A1 Radio receiver |
09/13/2000 | EP1035615A1 Planar antenna and method for manufacturing the same |
09/13/2000 | EP1035614A2 Antenna apparatus with directivity switching capability |
09/13/2000 | EP1034577A2 Electrically-controllable back-fed antenna |
09/13/2000 | CN1266563A Antenna diversity system |
09/13/2000 | CN1266347A Array antenna transmitter |
09/13/2000 | CN1266293A Frequency converter for receiving satellite transmitted signal |
09/13/2000 | CN1266292A Antenna device |
09/12/2000 | USRE36863 Combination satellite dish with UHF/VHF antenna |
09/12/2000 | US6118990 Receiving apparatus with diversity |
09/12/2000 | US6118409 Method and device for inspecting at least one antenna branch, in particular in a vehicle |
09/12/2000 | US6118408 Composite antenna for radio transceivers |
09/12/2000 | US6118406 Broadband direct fed phased array antenna comprising stacked patches |
09/12/2000 | US6118405 Antenna arrangement |
09/08/2000 | WO2000052787A1 Volumetric phased array antenna system |
09/08/2000 | WO2000001034A9 An antenna system |
09/06/2000 | EP1033822A2 Antenna system for dual mode satellite/cellular portable phone |
09/06/2000 | EP1033821A2 DECT transceiver module |
09/06/2000 | EP1033783A2 Antenna array having reduced sensitivity to frequency-shift effects |
09/06/2000 | EP1033779A2 Converter provided with built-in patch antennas for receiving direct broadcasting by satellite |
09/06/2000 | EP1032961A1 Antenna system and method for operating an antenna system |
09/06/2000 | EP1032960A1 Single-frequency antenna arrangement |
09/06/2000 | EP1032957A2 Microstrip arrangement |
09/05/2000 | US6115585 Antenna switching circuits for radio telephones |
09/05/2000 | US6115005 Gain-optimized lightweight helical antenna arrangement |
09/05/2000 | US6115002 Array of radiating elements |
09/05/2000 | US6114998 Antenna unit having electrically steerable transmit and receive beams |
09/05/2000 | US6114997 Low-profile, integrated radiator tiles for wideband, dual-linear and circular-polarized phased array applications |
09/05/2000 | US6114986 Dual channel microwave transmit/receive module for an active aperture of a radar system |
09/05/2000 | US6114697 Bandgap radiation detector |
09/05/2000 | US6114696 Uncooled infrared detector |
08/31/2000 | WO2000051204A1 Switched gain antenna for enhanced system performance |
08/31/2000 | WO2000051201A1 Apparatus for suppressing mutual interference between antennas |
08/31/2000 | WO2000051082A1 Automatic charge receiving vehicle-mounted device |
08/30/2000 | EP1031174A1 Dual mode quadrifilar helix antenna and associated methods of operation |
08/30/2000 | EP1031173A1 An antenna device for dual frequency bands |
08/30/2000 | EP0928502B1 Microstrip antenna with control of the direction of the axis of maximum radiation |
08/30/2000 | CN1265234A Antenna system |
08/29/2000 | US6111550 High gain compact scanning personal communication system array |
08/29/2000 | US6111547 Modularized multiple-feed electromagnetic signal receiving apparatus |
08/29/2000 | US6111540 Combined GPS positioning system and communications system utilizing shared circuitry |
08/29/2000 | US6111254 Infrared radiation detector |
08/24/2000 | WO2000049677A1 Radio station antenna with circular polarisation |
08/23/2000 | EP1030538A2 Window glass antenna apparatus for vehicles |
08/23/2000 | EP1030401A1 Radio antenna device |
08/23/2000 | CN1264188A Isolation improved circuit for double-polarization antenna |
08/22/2000 | US6108526 Antenna system and method thereof |
08/22/2000 | US6107972 Multiband antenna system |
08/22/2000 | US6107970 Integral antenna assembly and housing for electronic device |
08/22/2000 | US6107966 Antenna device |
08/22/2000 | US6107964 Shaped beam array antenna for generating a cosecant square beam |
08/22/2000 | CA2097066C Cdma microcellular telephone system and distributed antenna system therefor |
08/16/2000 | EP1027775A1 Wireless communication using an airborne switching node |
08/16/2000 | EP1027751A1 Digitally controlled monolithic microwave integrated circuits |
08/16/2000 | EP1027748A1 A portable electronic communication device with dual-band antenna system |
08/16/2000 | CN1263639A Antenna assembly and mobile radio apparatus using the same |
08/15/2000 | US6104356 Diversity antenna circuit |
08/15/2000 | US6104353 Local television antenna system for use with direct broadcast satellite television systems |
08/15/2000 | US6104349 Tuning fractal antennas and fractal resonators |
08/15/2000 | US6104348 Antenna device with improved channel isolation |
08/15/2000 | US6104347 Antenna device |
08/15/2000 | US6104346 Antenna and method for two-dimensional angle-of-arrival determination |
08/15/2000 | US6104343 Array antenna having multiple independently steered beams |
08/15/2000 | US6104340 GPS receiver and method for processing GPS signals |
08/15/2000 | CA2033856C Polarization converter application for accessing linearly polarized satellites with single- or dual-circularly polarized earth station antennas |
08/10/2000 | WO2000046872A1 A radio antenna assembly |
08/10/2000 | DE19958481A1 Antenna for attachment to automobile roof has up to three high frequency cables passed through internal sleeve over which external sleeve passes for clamping to car body |
08/09/2000 | EP1025622A1 Signal transmission antenna mast |
08/09/2000 | EP1025619A1 Path finder antenna |
08/09/2000 | EP1025611A1 An antenna unit with a multilayer structure |
08/09/2000 | EP1025610A1 A radio unit casing for a portable radio unit |
08/09/2000 | EP0753210B1 Angular diversity/spaced diversity cellular antennas and methods |
08/09/2000 | CN1262797A Communications system |
08/08/2000 | US6101174 Low power, short range point-to-multipoint communications systems |
08/08/2000 | US6100853 Receiver/transmitter system including a planar waveguide-to-stripline adapter |
08/08/2000 | US6100846 Fixed patch array scanning antenna |
08/08/2000 | US6100839 Enhanced impulse radar system |
08/08/2000 | US6100804 Radio frequency identification system |
08/08/2000 | US6100525 Uncooled infrared detector |
08/08/2000 | US6098547 Artillery fuse circumferential slot antenna for positioning and telemetry |
08/03/2000 | WO2000045466A1 Switched circular polarization phased-array antenna |
08/03/2000 | WO2000045465A1 Switched circular polarization antenna and switched circular polarization phased-array antenna |
08/03/2000 | WO2000045464A1 Phased-array antenna |
08/03/2000 | WO2000045463A1 Antenna system |
08/03/2000 | WO2000045194A1 Enhanced material penetrating imaging radar |
08/02/2000 | EP1024552A2 Antenna for radio communication terminals |
08/02/2000 | EP1024551A2 Isolation improvement circuit for a dual-polarization antenna |
08/02/2000 | EP1023579A1 Compact all-weather electromagnetic imaging system |
08/02/2000 | CN2390284Y Bidirectional multi-unit lightning protection anti-interference outdoor antenna |
08/02/2000 | CN1055184C 移动通信卫星有效负载 Mobile communications satellite payload |
08/01/2000 | US6097335 Transmit/receive module having multiple transmit/receive paths with shared circuitry |
08/01/2000 | US6095260 System, arrangements and associated methods for tracking and/or guiding an underground boring tool |
07/27/2000 | WO2000044091A2 Antenna system for radio frequency identification |
07/27/2000 | WO2000044064A1 Carrier with antenna for radio frequency identification |
07/27/2000 | WO2000043944A2 Method of interrogating a radio frequency identification device |
07/27/2000 | WO2000043805A2 System for radio frequency identification |
07/27/2000 | WO2000043804A2 Radio frequency identification device |