Patents for H01Q 13 - Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (15,760) |
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06/09/1999 | EP0921591A1 Array antenna with switched distributed-constant phase-shifter |
06/03/1999 | WO1999027606A2 Microstrip arrangement |
06/02/1999 | EP0920075A1 Wide-angle circular polarization antenna |
06/02/1999 | EP0919805A1 Apparatus for transmission measurement using microwaves |
06/02/1999 | EP0919072A1 Multifocus reflector antenna |
06/02/1999 | EP0919071A1 Integrated transmitter or receiver device |
06/02/1999 | CA2254748A1 Waveguide phased array antenna apparatus |
06/01/1999 | CA2007700C A microwave antenna capable of operating at high temperature, in particular for a space-going aircraft |
05/27/1999 | WO1999026357A1 Improvements to above-ground telecommunications systems and methods of designing same |
05/25/1999 | US5907309 Dielectrically loaded wide band feed |
05/19/1999 | EP0917242A1 Radiating coaxial cable and method for making the same |
05/19/1999 | EP0917109A2 Electronic toll collection system and method featuring antenna arrangement |
05/18/1999 | US5905472 Microwave antenna having wide angle scanning capability |
05/18/1999 | US5905471 Active receiving antenna |
05/18/1999 | US5905457 Vehicle radar safety apparatus |
05/14/1999 | WO1999023719A1 Antenna with plasma-grating |
05/12/1999 | EP0915530A2 Polarization selecting circuit |
05/11/1999 | US5903242 Helical antenna and method of making same |
05/11/1999 | US5903241 Waveguide horn with restricted-length septums |
05/11/1999 | US5903240 Surface mounting antenna and communication apparatus using the same antenna |
05/11/1999 | US5903239 Micro-patch antenna connected to circuits chips |
05/06/1999 | WO1999022424A1 Electrical apparatus |
05/04/1999 | US5900845 Antenna device |
05/04/1999 | US5900843 Airborne VHF antennas |
05/04/1999 | CA2186808C Surface mounting and communication apparatus using the same antenna |
05/04/1999 | CA2181282C Directive beam selectivity for high-speed wireless communication networks |
04/28/1999 | EP0911906A2 Transparent planar antenna structure |
04/27/1999 | US5898409 Broadband antenna element, and array using such elements |
04/27/1999 | US5898407 Motor vehicle with antenna window with improved radiation and reception characteristics |
04/27/1999 | US5898405 Omnidirectional antenna formed one or two antenna elements symmetrically to a ground conductor |
04/27/1999 | US5898403 Antenna formed of multiple dielectric substrates including shielded LC filter |
04/27/1999 | US5898350 Radiating coaxial cable and method for making the same |
04/21/1999 | CN1214804A Self-tuning material and method of manufacturing the same |
04/20/1999 | US5896109 Antenna for radio communication equipment having improved impedance adjustment |
04/14/1999 | EP0643876B1 Antenna |
04/14/1999 | CN1214152A Planar emitter |
04/13/1999 | US5894289 Portable communication device |
04/13/1999 | US5894288 Wideband end-fire array |
04/13/1999 | CA2134008C Array antenna and production process therefor |
04/08/1999 | WO1999017402A1 Signal transmission antenna mast |
04/08/1999 | WO1999017401A1 Coaxial radiating cable |
04/07/1999 | EP0907260A2 Device for receiving and transmitting high frequency signals |
04/07/1999 | EP0878030A4 Die-castable corrugated horns providing elliptical beams |
04/06/1999 | US5892489 Chip antenna and method of making same |
04/06/1999 | US5892487 Antenna system |
04/06/1999 | US5892482 Antenna mutual coupling neutralizer |
04/06/1999 | US5892481 Device for antenna units |
04/01/1999 | WO1999016148A1 Microwave flat antenna |
04/01/1999 | DE19843929A1 Flat antenna with coaxial feed |
03/31/1999 | EP0905816A2 Light-weight flat antenna device tolerant of temperature variation |
03/31/1999 | EP0905815A1 Multiple beam antenna and beamforming network |
03/30/1999 | US5889497 Ultrawideband transverse electromagnetic mode horn transmitter and antenna |
03/25/1999 | WO1999014820A1 Slot antenna |
03/25/1999 | DE19742090A1 Microwave antenna having reduced susceptibility to mechanical defects |
03/25/1999 | DE19742076A1 Wall fastening for elongate object such as cable or tube |
03/25/1999 | CA2303013A1 Slot antenna |
03/24/1999 | CN1211832A Antenna for radiating-cable to vehicle communication systems |
03/23/1999 | US5886670 Antenna and method for utilization thereof |
03/23/1999 | CA2135810C Antenna apparatus |
03/18/1999 | WO1999013531A1 Ultra-wideband magnetic antenna |
03/18/1999 | CA2303353A1 Ultra-wideband magnetic antenna |
03/17/1999 | EP0902499A1 Radiating coaxial high frequency cable |
03/17/1999 | CN1211346A Wide band printed network antenna |
03/16/1999 | US5883604 Horn antenna |
03/16/1999 | US5883603 Method for adjusting radiation direction of antenna |
03/16/1999 | US5883601 Plural slot antenna fed with dielectric strip and dielectric resonators |
03/11/1999 | WO1999012229A1 Electronically scanned ferrite line source |
03/11/1999 | CA2246925A1 Mobile telecommunication apparatus |
03/10/1999 | EP0901185A1 Dual polarisation patch antenna |
03/10/1999 | EP0795210B1 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
03/10/1999 | CN1210376A HF emitting coaxial cable |
03/09/1999 | US5880699 Ultra-wide bandwidth dish antenna |
03/09/1999 | US5880698 Arrangement for generating and transmitting microwaves, in particular for a filling level measuring device |
03/03/1999 | EP0899812A2 BS converter |
03/03/1999 | EP0899811A2 All-around vehicle antenna-apparatus |
03/03/1999 | EP0899809A2 High frequency signal line |
03/03/1999 | EP0670079B1 Y-antenna |
03/02/1999 | US5877729 Wide-beam high gain base station communications antenna |
03/02/1999 | US5877726 Antenna device |
03/02/1999 | US5877663 Microwave waveguide for tank level sensors |
02/23/1999 | US5874925 Parabolic antenna capable of adjusting the elevation angle of a feed horn |
02/23/1999 | US5874923 Feeder horn, intended particularly for two-way satellite communications equipment |
02/23/1999 | US5874922 Antenna |
02/18/1999 | WO1999008338A1 Microwave antenna having wide angle scanning capability |
02/18/1999 | DE19729664A1 Planar broadband radio signal antenna |
02/17/1999 | EP0897198A2 Vehicle body of synthetic material with antennae |
02/16/1999 | US5872545 Planar microwave receive and/or transmit array antenna and application thereof to reception from geostationary television satellites |
02/16/1999 | US5872544 Cellular antennas with improved front-to-back performance |
02/16/1999 | US5872542 Optically transparent microstrip patch and slot antennas |
02/11/1999 | WO1999007033A1 Dual polarized slotted array antenna |
02/11/1999 | DE19727116A1 Antenna with helical edge aperture |
02/10/1999 | EP0896385A1 Composite antenna |
02/09/1999 | US5870064 Signal transmission antenna mast |
02/09/1999 | US5870061 Coaxial slot feed system |
02/09/1999 | US5870060 For a space satellite |
02/09/1999 | US5870058 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
02/04/1999 | WO1999005754A1 Antenna device with improved channel isolation |
02/04/1999 | DE19732503A1 HF signal transmission, radiation and reception device |
02/03/1999 | EP0895300A2 Antenna coupler for testing of mobile telephones |
02/03/1999 | CN1207004A Radio telephone with differential driving various antenna structure and driving method |