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