Patents for H01Q 21 - Aerial arrays or systems (25,127) |
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04/19/2000 | EP0994524A1 Dual polarized base station antenna |
04/19/2000 | EP0693246B1 Transceiver algorithms of antenna arrays |
04/18/2000 | US6052582 Sectorized multi-function communication system |
04/18/2000 | US6052095 Dual gridded reflector antenna |
04/18/2000 | US6052094 Antenna system for millimeter wave length communication systems |
04/18/2000 | US6052091 Multiple loop antenna of radio paging receiver |
04/18/2000 | US6052086 Array antenna, antenna device with the array antenna and antenna system employing the antenna device |
04/16/2000 | CA2265132A1 Crossed bent dipole antenna |
04/15/2000 | CA2280351A1 Orthogonally polarized transmission antenna and method of transmission |
04/13/2000 | WO2000021159A2 Transmit/receive module having multiple transmit/receive paths with shared circuitry |
04/13/2000 | WO2000021156A1 Plasma antenna |
04/13/2000 | WO2000021154A2 Bifocal planar antenna |
04/13/2000 | WO2000020881A2 Antenna assembly including dual channel microwave transmit/receive modules |
04/13/2000 | DE19847291A1 Data transmission system for railway vehicle |
04/13/2000 | CA2344427A1 Transmit/receive module having multiple transmit/receive paths with shared circuitry |
04/13/2000 | CA2344426A1 Antenna assembly including dual channel microwave transmit/receive modules |
04/12/2000 | EP0993073A1 Panel of active antennas with multilayer structure |
04/12/2000 | EP0993069A2 Surface mount circularly polarized wave antenna and communication apparatus using the same |
04/12/2000 | EP0992813A2 Radio wave arrival direction estimating antenna apparatus |
04/12/2000 | EP0992128A1 Telecommunication system |
04/12/2000 | EP0992117A2 Antenna diversity system |
04/12/2000 | EP0992079A1 Antenna system |
04/12/2000 | CN1250549A Integrated transmit/receive antenna with arbitrary utilisation of the antenna aperture |
04/12/2000 | CN1250548A Microstrip distribution array for group antenna and such group antenna |
04/12/2000 | CN1250235A Method and apparatus for antenna array calibration |
04/12/2000 | CN1250233A Planar circular polarized wave antenna and communication equipment using the same |
04/12/2000 | CN1051408C Planar antenna |
04/11/2000 | US6049311 Planar flat plate scanning antenna |
04/11/2000 | US6049310 Variable directivity antenna and method of controlling variable directivity antenna |
04/11/2000 | US6049308 Integrated resonant tunneling diode based antenna |
04/11/2000 | US6049307 Adaptive phased array antenna using weight memory unit |
04/11/2000 | US6049305 Compact antenna for low and medium earth orbit satellite communication systems |
04/11/2000 | US6047783 Systems, arrangements and associated methods for tracking and/or guiding an underground boring tool |
04/06/2000 | WO2000019564A1 A radio communication device and an antenna system |
04/06/2000 | WO2000019563A1 Compact antenna for low and medium earth orbit satellite communication systems |
04/06/2000 | WO2000019562A1 Antenna feeding circuit |
04/06/2000 | WO2000019560A1 Method and arrangement for improving null depths |
04/06/2000 | WO2000019559A1 Planar antenna and method for manufacturing the same |
04/06/2000 | DE19845868A1 Doppelfokusplanarantenne Doppelfokusplanarantenne |
04/06/2000 | DE19845649A1 Keyless access/driving authorization controller for motor vehicle has mutually orthogonal antenna coils driven differently so spatial vectorial field superimposition changes continuously |
04/05/2000 | EP0991137A1 Method for expanding the radiation pattern of an antenna and antenna using this method |
04/05/2000 | CN1249817A Antenna for transmission and reception of signals having linear polarisation |
04/04/2000 | US6046992 Radio frequency local area network |
04/04/2000 | US6046704 Stamp-and-bend double-tuned radiating elements and antennas |
03/30/2000 | WO2000017960A1 Antenna array structure stacked over printed wiring board with beamforming components |
03/30/2000 | CA2344265A1 Antenna array structure stacked over printed wiring board with beamforming components |
03/29/2000 | EP0989629A1 Vehicular antenna |
03/29/2000 | EP0988663A1 Communications system |
03/29/2000 | EP0988660A1 Antenna assembly and a mobile radio apparatus using the same |
03/29/2000 | CN1249070A Electronics unit for radio transmission of signal |
03/28/2000 | US6043791 Limited scan phased array antenna |
03/28/2000 | US6043790 Integrated transmit/receive antenna with arbitrary utilization of the antenna aperture |
03/28/2000 | US6043787 Beam modifying trough waveguide antenna |
03/28/2000 | US6043786 Multi-band slot antenna structure and method |
03/28/2000 | US6043785 Broadband fixed-radius slot antenna arrangement |
03/28/2000 | US6043783 Windowpane antenna apparatus for use in vehicles |
03/28/2000 | US6043779 Antenna apparatus with feed elements used to form multiple beams |
03/28/2000 | US6041688 Wireless guided missile launch container |
03/23/2000 | WO2000016439A2 Antenna which can be operated in several frequency bands |
03/23/2000 | DE19941870A1 Source of millimetric electromagnetic radiation includes resonator coupled to antenna and resonance-shifting component for lossless switching of e.g. radar array with dielectric lens |
03/23/2000 | DE19859120C1 Aerial assembly for satellite communication installations on ships and submarines uses small, level planar aerials as satellite aerials fitted on the rear side with a radar aerial. |
03/22/2000 | CN1248349A Apparatus for receiving and transmitting radio signal |
03/22/2000 | CN1248348A Base station antenna arrangement |
03/22/2000 | CN1248078A Indoor distributed antenna |
03/21/2000 | US6041232 Aggregation of shaped directional receiving antenna array for improved location information |
03/21/2000 | US6040806 Circular-polarization antenna |
03/21/2000 | US6040802 Antenna cross-polar suppression means |
03/21/2000 | US6040799 Beam steering antenna unit |
03/16/2000 | WO2000014826A1 Circularly polarized dielectric resonator antenna |
03/15/2000 | EP0986128A1 Method for forming a spherical wave by superposition of a plurality of limited plane waves |
03/15/2000 | EP0985282A2 Antenna-gain diversity |
03/15/2000 | EP0985249A1 Antenna system |
03/15/2000 | CN2369366Y Active outdoor complete channel TV antenna |
03/15/2000 | CN1247641A Method for integrating antennas in distributed antenna system |
03/14/2000 | USRE36615 Use of vanadium oxide in microbolometer sensors |
03/14/2000 | US6038459 Base station antenna arrangement |
03/14/2000 | US6037912 Low profile bi-directional antenna |
03/14/2000 | US6037911 Wide bank printed phase array antenna for microwave and mm-wave applications |
03/14/2000 | US6037910 Phased-array antenna |
03/14/2000 | US6037909 Deployed payload for a communications spacecraft |
03/14/2000 | US6037908 Microwave antenna |
03/14/2000 | US6037906 BroadBand aerial means |
03/14/2000 | US6037905 Azimuth steerable antenna |
03/14/2000 | US6037903 Slot-coupled array antenna structures |
03/14/2000 | US6036815 Phased array with integrated bandpass filter superstructure |
03/14/2000 | US6035951 System for tracking and/or guiding an underground boring tool |
03/09/2000 | WO2000013260A1 Antenna arrangement |
03/09/2000 | DE19941473A1 Method of self-calibration of group antennas involves using calibration signal, deriving beam shaping network control parameters from measurement signal, defined antenna characteristic |
03/09/2000 | DE19940067A1 Wireless digital communications system has sectors that send digital HF signals to remote data receiver stations, HF modules that modulate common digital signal with different frequencies |
03/08/2000 | EP0916195A4 Method and system for improving communication |
03/08/2000 | CN1246774A Device for receiving and transmitting carrier band signal for radio base station |
03/07/2000 | US6034650 Small helical antenna with non-directional radiation pattern |
03/07/2000 | US6034649 Dual polarized based station antenna |
03/07/2000 | US6034648 Broad band antenna |
03/07/2000 | US6034647 Boxhorn array architecture using folded junctions |
03/07/2000 | US6034646 Information transmission device and method for systems using radiating waveguides |
03/07/2000 | US6034641 Antenna device |
03/07/2000 | US6034636 Planar antenna achieving a wide frequency range and a radio apparatus used therewith |
03/07/2000 | US6034633 Transmit/receive module having multiple transmit/receive paths with shared circuitry |
03/03/2000 | WO2000017813A1 Noncontact communication semiconductor device |