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