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