Patents for H01Q 19 - Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic (10,176) |
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11/30/1999 | US5995060 Strengthened double-delta antenna structure |
11/30/1999 | US5995057 Dual mode horn reflector antenna |
11/30/1999 | US5995056 Wide band tem fed phased array reflector antenna |
11/30/1999 | US5995049 Radar module and antenna device |
11/25/1999 | WO1999060656A2 Multibeam satellite communication antenna |
11/25/1999 | CA2345047A1 Multibeam satellite communication antenna |
11/24/1999 | EP0958636A1 Antenna operating with two isolated channels |
11/23/1999 | US5991474 Obstacle sensor operating by collimation and focusing of the emitted wave |
11/23/1999 | US5990842 Antenna with single or double reflectors, with shaped beams and linear polarisation |
11/23/1999 | US5990836 Multi-layered patch antenna |
11/18/1999 | WO1999059220A2 Impedance-matching device |
11/18/1999 | WO1999058996A1 Transmitting-receiving system for vehicles, a vehicle comprising a transmitting-receiving system, and a circuit |
11/17/1999 | EP0956615A1 Transmission polarizer |
11/16/1999 | CA2131720C Directional antenna, in particular dipole antenna |
11/11/1999 | WO1999057783A1 Broad band patch antenna |
11/11/1999 | WO1999056642A1 Microwave applicator |
11/11/1999 | DE19820835A1 Transmission/reception device for vehicle, e.g. aircraft |
11/11/1999 | DE19817766A1 Zentral gespeistes Antennensystem und Verfahren zum Optimieren eines solchen Antennensystems Centrally fed antenna system and method for optimizing a such an antenna system |
11/10/1999 | CN1234915A Antenna device with improved channel isolation |
11/09/1999 | US5983071 Video receiver with automatic satellite antenna orientation |
11/04/1999 | WO1999056348A1 Antenna system for tracking moving satellites |
11/04/1999 | WO1999056347A1 Apparatus for tracking moving satellites |
11/04/1999 | WO1999056342A1 Director element for radio devices |
11/03/1999 | EP0954050A1 Antennas for use in portable communications devices |
11/03/1999 | EP0830566A4 Light beam range finder |
11/02/1999 | US5978157 Dielectric bootlace lens |
11/02/1999 | US5977926 Multi-focus reflector antenna |
11/02/1999 | US5977923 Reconfigurable, zoomable, turnable, elliptical-beam antenna |
11/02/1999 | US5977914 Microstrip antenna |
11/02/1999 | US5977904 Structure of aperture antenna and radar system using same |
10/28/1999 | WO1999054958A1 Frequency converter arrangement for parabolic antennae |
10/28/1999 | WO1999054955A2 Centrally fed antenna system and method for optimizing such an antenna system |
10/28/1999 | CA2292423A1 Frequency converter arrangement for parabolic antennae |
10/27/1999 | EP0952624A1 Electronic multibeam sweep antenna |
10/26/1999 | US5973654 Antenna feed having electrical conductors differentially affecting aperture electrical field |
10/26/1999 | US5973652 Reflector antenna with improved return loss |
10/26/1999 | US5973649 Common aperture dual mode semi-active laser/millimeter wave sensor |
10/21/1999 | DE19817430A1 Radar sensor system with transmitter and receiver in microwave and/or radar range |
10/14/1999 | WO1999052180A1 Multilayer focusing spherical lens |
10/13/1999 | EP0949710A1 Spherical multilayer focalising lens |
10/12/1999 | US5966103 Electromagnetic lens of the printed circuit type with a suspended strip line |
10/12/1999 | US5966099 For a communications device |
10/12/1999 | US5966097 Antenna apparatus |
10/07/1999 | DE19815322A1 Reflector antenna for analog or digital mobile telephone |
10/05/1999 | US5963176 Antenna system with edge treatment means for diminishing antenna transmitting and receiving diffraction, sidelobes, and clutter |
10/05/1999 | US5963175 For use on a spacecraft |
10/05/1999 | US5963174 Antenna device in car radar system |
09/28/1999 | US5959591 Transverse electromagnetic horn antenna with resistively-loaded exterior surfaces |
09/28/1999 | US5959590 Low sidelobe reflector antenna system employing a corrugated subreflector |
09/23/1999 | WO1999048169A1 Antenna device and mobile communication unit |
09/21/1999 | US5955994 Microstrip antenna |
09/21/1999 | US5955752 Semiconductor module having antenna element therein |
09/16/1999 | WO1999046831A1 Wire detection system and method |
09/15/1999 | EP0942488A2 Antenna device and radio device comprising the same |
09/15/1999 | EP0941558A1 Microwave antenna |
09/14/1999 | US5952984 Lens antenna having an improved dielectric lens for reducing disturbances caused by internally reflected waves |
09/14/1999 | US5952962 Extended spatial acquisition method for tracking antennas |
09/08/1999 | EP0940880A1 Radio relay apparatus |
09/08/1999 | CN1228202A 天线装置 The antenna device |
09/07/1999 | US5949387 Frequency selective surface (FSS) filter for an antenna |
09/07/1999 | US5949370 Positionable satellite antenna with reconfigurable beam |
09/07/1999 | US5949365 Multiple-beam radar system |
09/02/1999 | DE19830811A1 Covering arrangement for vehicle mounted electromagnetic radar |
08/31/1999 | US5945960 Method and apparatus for reconfiguring antenna radiation patterns |
08/31/1999 | US5945958 Loop antenna |
08/26/1999 | WO1999043049A1 Microwave reflector antenna |
08/26/1999 | DE19848722A1 Microwave reflector antenna for polarised microwaves |
08/25/1999 | EP0937314A1 Lens arrangement suited for focusing radar waves |
08/24/1999 | US5943024 Feed assembly waveguide interface |
08/24/1999 | US5943016 Tunable microstrip patch antenna and feed network therefor |
08/24/1999 | US5943007 Rotating mirror drum radiometer imaging system |
08/18/1999 | EP0936696A2 Antenna system with plural reflectors |
08/18/1999 | EP0935825A1 Radar sensor for a vehicle |
08/18/1999 | EP0935761A1 Radar sensor for use in motor vehicles |
08/17/1999 | US5940737 Signal selector |
08/17/1999 | US5940048 Conical omni-directional coverage multibeam antenna |
08/17/1999 | US5940047 Satellite antenna cover device |
08/11/1999 | CA2260455A1 Antenna system with plural reflectors |
08/10/1999 | US5936591 Multi-beam feeding apparatus |
08/10/1999 | CA2177050C Dielectric antenna |
08/04/1999 | EP0933833A1 Waveguide radiator |
08/03/1999 | US5933123 Combined satellite and terrestrial antenna |
07/30/1999 | CA2260394A1 Waveguide antenna |
07/29/1999 | WO1999038228A1 Multi-primary radiator, down converter and multibeam antenna |
07/28/1999 | CN2331092Y Mobile phone antenna for automobile |
07/27/1999 | US5930680 Method and system for transceiving signals using a constellation of satellites in close geosynchronous orbit |
07/27/1999 | US5929823 Multiple beam planar array with parasitic elements |
07/27/1999 | US5929820 Scanning cup-dipole antenna with fixed dipole and tilting cup |
07/27/1999 | US5929819 Flat antenna for satellite communication |
07/27/1999 | US5929818 Combination satellite dish with UHF/VHF antenna |
07/27/1999 | US5929720 Electromagnetic wave matching matrix using a plurality of mirrors |
07/27/1999 | CA2197518C Surface mounting antenna and communication apparatus using the same antenna |
07/22/1999 | WO1999036990A1 Antenna arrangement and a method in connection with the antenna arrangement |
07/22/1999 | WO1999036989A1 Antenna system |
07/21/1999 | EP0930669A2 Antenna for communicating with low earth orbit satellite |
07/21/1999 | CN2330072Y U-band omni-bearing TV receiving aerial |
07/20/1999 | US5926510 Transmitter apparatus, receiver apparatus, transmitting method and receiving method for interleaving and varying an antenna directional pattern |
07/20/1999 | US5926146 Dual-band feed for microwave reflector antenna |
07/20/1999 | US5926130 Digital spacecraft antenna tracking system |
07/20/1999 | US5926128 Radar systems |