| Patents for H01Q 21 - Aerial arrays or systems (25,127) |
|---|
| 06/01/1999 | US5909195 Antennas employing U-dipole elements |
| 06/01/1999 | CA2007700C A microwave antenna capable of operating at high temperature, in particular for a space-going aircraft |
| 05/27/1999 | WO1999026316A1 Dual mode quadrifilar helix antenna and associated methods of operation |
| 05/27/1999 | WO1999026315A1 An antenna device for dual frequency bands |
| 05/27/1999 | WO1999026314A1 An antenna device for dual frequency bands |
| 05/27/1999 | WO1999026313A1 Antenna system and method for operating an antenna system |
| 05/27/1999 | CA2310387A1 Antenna system and method for operating an antenna system |
| 05/26/1999 | CN1217841A Mobile satellite communication device, specially dual-mode mobile satellite communication device |
| 05/26/1999 | CN1217827A Adaptive array antenna |
| 05/25/1999 | US5907816 High gain antenna systems for cellular use |
| 05/25/1999 | US5907809 In a radiocommunication system |
| 05/25/1999 | US5907304 Lightweight antenna subpanel having RF amplifier modules embedded in honeycomb support structure between radiation and signal distribution networks |
| 05/25/1999 | CA2011298C Dual polarization dipole array antenna |
| 05/20/1999 | WO1999025043A1 A portable electronic communication device with dual-band antenna system |
| 05/20/1999 | WO1999010999A3 Wireless video transfer from computer to tv |
| 05/20/1999 | WO1999009607A3 Device for compensation of diffraction divergence |
| 05/20/1999 | DE19751122A1 Antenna system for satellite reception |
| 05/20/1999 | DE19750033A1 Phase-controlled antenna control method |
| 05/19/1999 | EP0916195A1 Method and system for improving communication |
| 05/19/1999 | EP0916169A1 Antenna system |
| 05/19/1999 | EP0916167A1 Dual-band coupled segment helical antenna |
| 05/19/1999 | EP0916166A2 A handheld apparatus having antenna means for emitting a radio signal, a holder therefor, and a method of transferring signals between said apparatus and holder |
| 05/19/1999 | CN1217129A Method and system for selecting an antenna beam of a base station of radio system |
| 05/19/1999 | CN1217091A Dual band antenna |
| 05/18/1999 | US5905472 Microwave antenna having wide angle scanning capability |
| 05/18/1999 | US5905466 Terrestrial antennas for satellite communication system |
| 05/18/1999 | US5905465 Antenna system |
| 05/18/1999 | US5905463 Linear array aircraft antenna with coning correction |
| 05/18/1999 | US5905462 Steerable phased-array antenna with series feed network |
| 05/14/1999 | WO1999023769A1 Wireless communication using an airborne switching node |
| 05/14/1999 | WO1999023720A1 Switched gain antenna for enhanced system performance |
| 05/14/1999 | WO1999023717A1 Digitally controlled monolithic microwave integrated circuits |
| 05/12/1999 | EP0915530A2 Polarization selecting circuit |
| 05/12/1999 | EP0915349A1 Radarsystem for imaging of sectors |
| 05/12/1999 | EP0914723A1 A signal processing method utilizing an eigenvector corresponding to the maximum eigenvalue of an autocorrelation matrix of received signals for an antenna array system |
| 05/12/1999 | CN2318713Y Six-star pole TV. antenna |
| 05/11/1999 | US5903240 Surface mounting antenna and communication apparatus using the same antenna |
| 05/06/1999 | WO1999022423A1 Path finder antenna |
| 05/05/1999 | CN1215967A Receiver in mobile communications system |
| 05/04/1999 | US5900844 Wide bandwidth antenna arrays |
| 05/04/1999 | US5900840 Plane antenna having metal/resin bottom cover |
| 05/04/1999 | US5900837 Method for the transmission of wave energy |
| 05/04/1999 | CA2181282C Directive beam selectivity for high-speed wireless communication networks |
| 04/29/1999 | WO1999021248A1 An antenna array in a telecommunication system |
| 04/29/1999 | WO1999021247A1 Directional antenna assembly for vehicular use |
| 04/27/1999 | US5898410 Pre-tuned hybrid logarithmic yagi antenna system |
| 04/27/1999 | US5898405 Omnidirectional antenna formed one or two antenna elements symmetrically to a ground conductor |
| 04/22/1999 | WO1999019939A1 Dual band phased array antenna |
| 04/22/1999 | WO1999019937A1 Parallel fed collinear antenna array |
| 04/21/1999 | EP0910134A2 Flat plate antenna arrays |
| 04/21/1999 | CN2315666Y Omnibearing full channel passive TV receiving antenna |
| 04/20/1999 | US5896108 Microstrip line fed microstrip end-fire antenna |
| 04/20/1999 | US5896107 Dual polarized aperture coupled microstrip patch antenna system |
| 04/20/1999 | US5896105 Distributed phased array antenna system |
| 04/20/1999 | US5896104 FM radar system |
| 04/14/1999 | EP0907984A1 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems |
| 04/14/1999 | EP0907983A1 A planar dual-frequency array antenna |
| 04/14/1999 | EP0789938A4 An antenna control system |
| 04/14/1999 | CN1214160A Antenna system for dual mode satellite/cellular portable phone |
| 04/14/1999 | CN1214152A Planar emitter |
| 04/13/1999 | US5894288 Wideband end-fire array |
| 04/13/1999 | CA2134008C Array antenna and production process therefor |
| 04/08/1999 | WO1999017403A1 Dual polarized microstrip patch antenna array for pcs base stations |
| 04/08/1999 | WO1999017402A1 Signal transmission antenna mast |
| 04/08/1999 | WO1999017400A1 Method of producing an antenna element assembly |
| 04/08/1999 | WO1999017397A1 An antenna unit with a multilayer structure |
| 04/08/1999 | WO1999017396A1 A radio unit casing for a portable radio unit |
| 04/07/1999 | CN2313298Y 电视接收天线 TV antenna |
| 04/07/1999 | CN2313297Y Television antenna |
| 04/06/1999 | US5892487 Antenna system |
| 04/06/1999 | US5892486 Broad band dipole element and array |
| 04/06/1999 | US5892482 Antenna mutual coupling neutralizer |
| 04/01/1999 | WO1999016148A1 Microwave flat antenna |
| 03/31/1999 | EP0905816A2 Light-weight flat antenna device tolerant of temperature variation |
| 03/31/1999 | EP0905815A1 Multiple beam antenna and beamforming network |
| 03/31/1999 | EP0904611A1 Meander antenna device |
| 03/31/1999 | CN1212791A Combination satellite and VHF/UHF receiving antenna |
| 03/31/1999 | CN1212790A Folded bow-tie antenna |
| 03/31/1999 | CN1212789A Orthogonal switched antenna system |
| 03/31/1999 | CN1212482A High isolation dual polarized antenna system with microstrip-fed aperture coupled patches |
| 03/31/1999 | CN1212480A Multiple loop antenna of radio paging receiver |
| 03/30/1999 | US5889496 Consolidated system of antennas |
| 03/30/1999 | CA2087626C Frequency domain polarimeter |
| 03/25/1999 | WO1998048475A9 Composite antenna for duplexer-free duplex operation terminals and method |
| 03/25/1999 | DE19742090A1 Microwave antenna having reduced susceptibility to mechanical defects |
| 03/24/1999 | EP0903566A2 Imaging system functioning on submillimeter waves |
| 03/24/1999 | EP0721678B1 Multipatch antenna |
| 03/24/1999 | CN1212078A Portable radio communication device |
| 03/23/1999 | US5886671 Low-cost communication phased-array antenna |
| 03/23/1999 | US5886667 Integrated microstrip helmet antenna system |
| 03/23/1999 | CA2135810C Antenna apparatus |
| 03/18/1999 | WO1999013531A1 Ultra-wideband magnetic antenna |
| 03/18/1999 | WO1998052301A3 Satellite apparatus with omnidirectional and manually steerable directional antenna |
| 03/18/1999 | CA2303353A1 Ultra-wideband magnetic antenna |
| 03/17/1999 | EP0902498A1 Variable directivity antenna and method of controlling variable directivity antenna |
| 03/17/1999 | CN1211346A Wide band printed network antenna |
| 03/17/1999 | CN1211324A GPS receiver and method for processing GPS signals |
| 03/16/1999 | US5884214 GPS receiver and method for processing GPS signals |
| 03/16/1999 | US5883601 Plural slot antenna fed with dielectric strip and dielectric resonators |
| 03/16/1999 | US5883599 Antenna system for a motor vehicle |