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)
02/2004
02/25/2004CN1140011C Antenna system for tracking nonsynchronous satellites
02/24/2004CA2329739C Centrally fed antenna system and method for optimizing such an antenna system
02/19/2004US20040032371 Combined EMI shielding and internal antenna for mobile products
02/19/2004DE19600609B4 Polarisator zur Umwandlung von einer linear polarisierten Welle in eine zirkular polarisierte Welle oder in eine linear polarisierte Welle mit gedrehter Polarisation und umgekehrt Polarizer for converting a linearly polarized wave into a circularly polarized wave or a linearly polarized wave with rotated polarization, and vice versa
02/18/2004CN1139148C Antenna device and radar module
02/17/2004US6693605 Variable quasioptical wave plate system and methods of making and using
02/12/2004WO2004013933A1 Low frequency enhanced frequency selective surface technology and applications
02/12/2004WO2004013547A1 Dish assembly
02/12/2004WO2003087904A9 Metamaterials employing photonic crystals
02/12/2004US20040029985 Mixture of expanded foam and inorganic fibers
02/12/2004US20040027309 Preloaded parabolic dish antenna and the method of making it
02/12/2004US20040027304 High gain antenna for wireless applications
02/12/2004US20040027291 Planar antenna and array antenna
02/12/2004CA2494925A1 Dish assembly
02/11/2004CN1138313C Folded bow-tie antenna
02/10/2004US6690327 Mechanically reconfigurable artificial magnetic conductor
02/10/2004US6689952 Large membrane space structure and method for its deployment and expansion
02/10/2004CA2199428C Antenna with single or double reflectors, with shaped beams and linear polarisation
02/05/2004US20040023701 Portable telephone
02/05/2004US20040021613 Dipole feed arrangement for corner feflector antenna
02/05/2004US20040021607 Multisource antenna, in particular for systems with a reflector
02/05/2004US20040021098 Electromagnetic radiation structure control system
02/04/2004EP1387438A1 Remotely adjustable mesh deployable reflector
02/04/2004EP1387437A1 Array antenna for reflector systems
02/04/2004EP1386838A1 Deployable antenna reflector
02/04/2004CN1472548A Periodic metal/dielectric structural photon crystal with three-dimensional band gap and preparing mehtod thereof
02/04/2004CN1137531C Polarizer and method for producing the same
01/2004
01/29/2004WO2004010534A1 Multi-beam antenna
01/29/2004US20040018790 Method of seaming retroreflective sheeting and corresponding articles
01/29/2004US20040017332 Multiple beam antenna using reflective and partially reflective surfaces
01/29/2004US20040017331 Electronically reconfigurable microwave lens and shutter using cascaded frequency selective surfaces and polyimide macro-electro-mechanical systems
01/28/2004EP1384287A1 Device for exciting a centrally focused reflector antenna
01/27/2004US6683555 Fast deploy, retrievable and reusable airborne counter-measure system
01/22/2004WO2004008576A1 Spatial filtering surface operative with antenna aperture for modifying aperture electric field
01/22/2004WO2004008575A1 Real-time, cross-correlating millimetre-wave imaging system
01/22/2004WO2004008571A2 Antenna system with spatial filtering surface
01/22/2004WO2004008570A2 Antenna system with active spatial filtering surface
01/20/2004US6680711 Coincident transmit-receive beams plus conical scanned monopulse receive beam
01/15/2004US20040008149 Antenna system with active spatial filtering surface
01/15/2004US20040008147 Antenna system with spatial filtering surface
01/15/2004US20040008145 Spatial filtering surface operative with antenna aperture for modifying aperture electric field
01/08/2004WO2004004070A1 Antenna device and its directional gain adjusting method
01/08/2004US20040004725 Measurement system for electromagnetic radiation structure
01/07/2004EP1248954B1 Automotive radar system
01/06/2004US6674412 Housing or part thereof for distance sensor
01/06/2004US6674392 Automotive radar system
01/06/2004US6672543 Compact mechanism for retrieval of a towed body from moving vehicles
01/06/2004CA2316658C Compact frequency selective reflector antenna
12/2003
12/31/2003CN2596570Y Conical cross field emitting antenna device
12/31/2003CN1464591A Optical antenna for wireless optical communication
12/30/2003US6670932 Multi-resonant, high-impedance surfaces containing loaded-loop frequency selective surfaces
12/30/2003US6670921 Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surface
12/25/2003US20030234745 Dual band hybrid offset reflector antenna system
12/24/2003WO2003107484A1 Multiband artificial magnetic conductor
12/24/2003CN1463088A Receiving antenna of optical communication system
12/23/2003US6667722 Multibeam radar sensor with a fixing device for a polyrod
12/23/2003US6667720 Steerable transponders
12/23/2003CA2316751C Frequency selective reflector
12/18/2003US20030232603 Package device for accommodating a radio frequency circuit
12/18/2003US20030231142 Multiband artificial magnetic conductor
12/16/2003US6665119 Wire grid polarizer
12/16/2003US6664939 Foam-filled antenna and method of manufacturing same
12/16/2003US6664866 Generator of circularly polarized wave
12/11/2003WO2003103361A1 Combined emi shielding and internal antenna for mobile products
12/11/2003US20030227417 Electromagnetic-field polarization twister
12/11/2003US20030227415 Photonic crystal exhibiting negative refraction without requiring a negative effective index
12/11/2003US20030227360 Three-dimensional periodic structure, method of producing the same, high frequency element, and high frequency apparatus
12/09/2003US6661392 Resonant antennas
12/09/2003US6661384 Mirror surface accuracy measuring device and mirror surface control system of reflector antenna
12/09/2003CA2166110C Radiation sensor
12/04/2003US20030223721 Metamaterials employing photonic crystal
12/02/2003US6657592 Patch antenna
11/2003
11/27/2003WO2003098323A1 Apparatus for redirecting radiation
11/26/2003EP1365259A1 detecting system
11/26/2003EP1364429A1 Reflector and antenna system containing reflectors
11/20/2003WO2003096479A1 Array antenna
11/20/2003WO2002045207A8 Low profile scanning antenna
11/20/2003US20030214457 Antenna apparatus and transmission and receiving apparatus using same
11/20/2003US20030214456 Method and apparatus for multilayer frequency selective surfaces
11/20/2003US20030214451 Multibeam antenna apparatus
11/20/2003US20030214439 Low cross-polarization microstrip array
11/20/2003US20030214429 Guide marker and visual guide marker device
11/19/2003EP1362386A1 Unfoldable electromagnetic reflector
11/19/2003EP1264364B1 Novel grating
11/18/2003US6650304 Inflatable reflector antenna for space based radars
11/18/2003US6650269 Ram air inflated passive radar decoy and chaff package therefor
11/18/2003US6647668 Space erected inflatable structure
11/11/2003US6646605 Tunable reduced weight artificial dielectric antennas
11/05/2003EP1359676A1 Portable telephone
10/2003
10/30/2003WO2003090384A1 An arrangement for transmitting and/or receiving electromagnetic signals
10/30/2003WO2003090314A1 Leaky-wave dual polarized slot type antenna
10/30/2003US20030203718 Broadband communication satellite
10/30/2003US20030201949 Solid surface implementation for deployable reflectors
10/30/2003US20030201938 Patch antenna
10/30/2003US20030201930 Radar sensor
10/29/2003EP1357633A2 Broadband communication satellite with an antenna system and a payload section
10/29/2003EP1357395A1 Miniaturized and hermetically sealed radar sensor for millimeter wave signals
10/29/2003EP0787370B1 Protector for one or more electromagnetic sensors
10/29/2003CN1452542A Compound mold and structured surface articles contg. geometric structures with compound taces and method of making same
10/23/2003WO2003088419A1 Photonic crystal exhibiting negative refraction without requiring a negative effective index
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