Patents for H01Q 15 - Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices (7,888) |
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02/23/1999 | US5874922 Antenna |
02/18/1999 | DE19732569A1 Quasi-optical harmonic wave filter for HF signal generation |
02/17/1999 | EP0896750A1 Antenna system |
02/17/1999 | EP0896749A1 Microwave antenna array for a motor vehicle radar system |
02/17/1999 | EP0896747A1 Film sticker for satellite dishes |
02/02/1999 | US5867120 Transmitter-receiver |
01/28/1999 | DE19732026A1 Microwave camera, e.g. for underground object detection |
01/26/1999 | US5864324 Telescoping deployable antenna reflector and method of deployment |
01/26/1999 | US5864320 Synchronous rotation dual-axis mechanical hinge assemblies |
01/20/1999 | EP0892460A1 Edge-supported umbrella reflector with low stowage profile |
01/20/1999 | CN1205444A Fabrication method for uniform planar optical waveguide |
01/19/1999 | US5861860 Protector for one or more electromagnetic sensors |
01/14/1999 | WO1999001907A1 Protection from electrosmog |
01/14/1999 | DE19727967A1 Schutz vor Elektrosmog Protection against electromagnetic |
01/13/1999 | EP0891003A1 Method and apparatus for improving pattern bandwidth of shaped beam reflectarrays |
01/12/1999 | US5859618 Composite rooftop antenna for terrestrial and satellite reception |
01/07/1999 | EP0889539A2 Adaptive reflector constellation for space-based antennas |
12/30/1998 | CA2241487A1 Tensioned cord attachment of antenna reflector to inflated support structure |
12/24/1998 | DE19736089C1 Metal plate lens for focussing or diverging electromagnetic waves |
12/17/1998 | DE19724320A1 Vehicle radar antenna housing |
12/16/1998 | EP0884799A2 Semiconductor module having antenna element therein |
12/16/1998 | EP0883908A1 Combination satellite and vhf/uhf receiving antenna |
12/16/1998 | EP0883907A1 Folded bow-tie antenna |
12/16/1998 | EP0883905A1 Orthogonal switched antenna system |
12/10/1998 | DE19722742A1 Antennenanordnung Antenna array |
12/09/1998 | CN2300196Y Satellite antenna rotary stand structure |
12/03/1998 | WO1998054788A1 Antenna for high frequency radio signal transmission |
12/03/1998 | WO1998054787A1 Antenna system |
12/03/1998 | DE19722547A1 Antenne zum Abstrahlen von hochfrequenten Funksignalen Antenna for radiating high-frequency radio signals |
12/02/1998 | EP0881333A1 Enhanced paint for microwave/millimeter wave radiometric detection applications & method of road marker detection |
12/01/1998 | US5844527 For transmitting/receiving directed radar signals |
12/01/1998 | US5844526 Thermally insulated satellite reflector assembly |
11/25/1998 | CN1200231A Windowpane having electromagnetic shielding ability |
11/24/1998 | US5841146 Reflector |
11/24/1998 | US5840383 A satellite antenna dish comprising a multicomponent filaments of metallic fibers, sheath-core binder fibers and molding resin; cost efficiency, high strength, simplification |
11/22/1998 | CA2205873A1 Novel techniques for the cancellation of beam squint in planar printed reflectors |
11/17/1998 | US5838276 Microwave energy implemented aircraft landing system |
11/17/1998 | US5838275 Marine personal locator and automatic opening omnidirectional radar retroreflector incorporated therein |
11/17/1998 | US5837926 Mines having tuned passive electromagnetic reflectors to enhance radar detection |
11/11/1998 | EP0648324B1 Method and apparatus of stud array upstand setting |
11/11/1998 | CN1198602A Multi-polar wide-frequency plane antenna |
11/10/1998 | US5835058 Adaptive reflector constellation for space-based antennas |
11/10/1998 | US5835057 For use in a vehicle |
11/05/1998 | WO1998049750A1 Twist reflector antenna |
10/28/1998 | CN1197308A Disk edge shaping appts. for satellite antenna |
10/27/1998 | US5828344 Radiation sensor |
10/27/1998 | US5827469 Supplying plasticized parison, compressed gas and film forming material which reflects radio waves, solidifying, forming antenna |
10/22/1998 | WO1998047020A1 Scanning apparatus |
10/20/1998 | US5826201 Antenna microwave shield for cellular telephone |
10/20/1998 | US5825524 Transverse electric mode electro-optic cell for a modulator and process for producing such a cell |
10/14/1998 | EP0871240A2 Electromagnetic wave absorber |
10/14/1998 | EP0871239A1 Antenna device and radar module |
10/14/1998 | CN1195908A 天线装置和雷达模块 The antenna device and radar modules |
10/14/1998 | CN1195907A Composite rooftop antenna for terrestrial and satallite reception |
10/13/1998 | US5822477 Scannable semiconductor light-activated reflector for use at millimeter-wave frequencies |
10/13/1998 | US5821908 Spherical lens antenna having an electronically steerable beam |
10/08/1998 | WO1998026471A3 Frequency selective antenna |
10/06/1998 | US5819164 Modulated retroreflection system for secure communication and identification |
10/06/1998 | US5818395 Ultralight collapsible and deployable waveguide lens antenna system |
09/29/1998 | US5815121 Flatplate array antenna with polarizer lens |
09/22/1998 | US5812331 Reflector for a polarimetric radar in particular for use as a calibrator or as a beacon |
09/16/1998 | EP0865101A1 Shaped reflecting antenna with sector coverage |
09/03/1998 | WO1998038696A1 Handy reflector for rotary type radar |
09/03/1998 | WO1998038695A1 Foldable handy reflector |
08/26/1998 | EP0860895A1 Resonant antenna for emitting or receiving polarized waves |
08/24/1998 | CA2228640A1 Resonating antenna for emitting or receiving polarized waves |
08/19/1998 | EP0859428A2 Composite rooftop antenna for terrestrial and satellite reception |
08/19/1998 | EP0858606A1 Microwave energy implemented aircraft landing system |
08/18/1998 | US5796510 Ladder-structured photonic variable delay device |
08/13/1998 | WO1998035403A1 Microwave antenna array for a motor vehicle radar system |
08/13/1998 | DE19755607A1 Mikrowellen-Antennenanordnung für ein Kraftfahrzeug-Radarsystem Microwave antenna arrangement for a motor vehicle radar system |
08/11/1998 | US5793505 Fabry-Perot multiwavelength infrared filter with artificial dielectric |
08/11/1998 | US5793330 Interleaved planar array antenna system providing opposite circular polarizations |
08/11/1998 | US5792520 Sequentially layering a copper film and resin film on skin material; laser irradiation; removal; masking; etching; patterning |
08/05/1998 | EP0705486B1 Radiation sensor |
07/30/1998 | DE19702794A1 Low=voltage heating sheet for self=adhesion to satellite television reception dish(es) |
07/29/1998 | CN1188995A Antenna apparatus and transmission and receiving apparatus using same |
07/22/1998 | EP0854537A2 Ultralight deployable waveguide lens antenna system |
07/22/1998 | EP0763265A4 Antenna and method for forming same |
07/15/1998 | EP0853351A2 Antenna system |
07/14/1998 | US5781163 Low profile hemispherical lens antenna array on a ground plane |
07/08/1998 | EP0852409A2 Antenna apparatus and transmission and receiving apparatus using same |
07/08/1998 | EP0852408A1 Self-tuning material and method of manufacturing the same |
07/07/1998 | US5777582 Deployable double-membrane surface antenna |
07/01/1998 | CN1186245A Obstacle sensor operating by collimation and focusing of emitted wave |
06/30/1998 | US5773108 Containment structure for radially deployable devices |
06/25/1998 | WO1998027608A1 Reflector antennas |
06/24/1998 | EP0849825A2 Antenna arrangement, in particular for motor vehicles |
06/24/1998 | EP0849612A2 Electromagnetic radiation disruption elements |
06/23/1998 | US5771027 Composite antenna |
06/18/1998 | WO1998026471A2 Frequency selective antenna |
06/18/1998 | WO1998026316A1 Tunable microcavity using nonlinear materials in a photonic crystal |
06/16/1998 | US5767789 Communication channels through electrically conducting enclosures via frequency selective windows |
06/09/1998 | US5764199 Low profile semi-cylindrical lens antenna on a ground plane |
06/04/1998 | WO1998024145A1 Microwave antenna |
06/04/1998 | DE19703095C1 Housing for microwave transmitter or receiver for road vehicle radar system |
06/04/1998 | DE19648203A1 Multiple beam radar system for motor vehicle |
06/03/1998 | EP0845834A2 Method and apparatus for reconfiguring antenna radiation patterns |
06/03/1998 | EP0845833A2 On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing |
06/03/1998 | CN2283314Y Multi-purpose all-channel telecontrol steering amplifying antenna |