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