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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06/19/1997 | WO1997022158A1 Voltage controlled ferroelectric lens phased array |
06/18/1997 | EP0778953A1 Monostatic fmcw radar sensor |
06/18/1997 | CN1152196A Parabolic antenna |
06/11/1997 | EP0700585A4 Antennas for use in portable communications devices |
06/04/1997 | EP0649572B1 Phase correcting zone plate |
06/03/1997 | US5635946 Stowable, deployable, retractable antenna |
05/27/1997 | US5633105 Precision radome made using conformal photolithography to pattern curved surfaces |
05/14/1997 | EP0773598A2 Aperture antenna |
05/06/1997 | US5627672 Controllable optical periodic surface filters as a Q-switch in a resonant cavity |
05/06/1997 | US5627553 Folded lens antenna |
05/06/1997 | US5627541 Interference type radiation attenuator |
05/02/1997 | EP0770272A2 Metal-coated substrate articles responsive to electromagnetic radiation, and method of making and using the same |
04/22/1997 | US5623269 Mobile communication satellite payload |
04/16/1997 | CN2252414Y Microwave antenna loop |
04/15/1997 | US5621423 Electromagnetic energy shield |
04/15/1997 | US5620799 Covering a small area of surface of a sheet of glass, e.g. an automobile windshield, and having a transmitter and/or receiver in the nonvisible portion of the spectrum |
04/09/1997 | CN1147315A Retroreflective polymer coated flexible fabric material and method of manufacture |
04/08/1997 | US5619366 Controllable surface filter |
04/08/1997 | US5619365 Elecronically tunable optical periodic surface filters with an alterable resonant frequency |
04/08/1997 | US5619205 Microarc chaff |
04/03/1997 | DE19600609A1 Polarisation especially for converting linear polarised wave into circular polarised wave and vice versa |
03/26/1997 | EP0764350A1 Window-mounted antenna array with a high heat-transmission attenuation factor |
03/25/1997 | US5614919 Wire diamond lattice structure for phased array side lobe suppression and fabrication method |
03/20/1997 | WO1997010624A1 Self-tuning material and method of manufacturing the same |
03/19/1997 | EP0763265A1 Antenna and method for forming same |
03/12/1997 | EP0761022A1 Support cylinder for fragile and heavy structures, such as telescope mirrors |
02/27/1997 | WO1997007558A1 Protector for one or more electromagnetic sensors |
02/27/1997 | CA2202743A1 Protector for one or more electromagnetic sensors |
02/26/1997 | EP0759212A1 Retroreflective polymer coated flexible fabric material and method of manufacture |
02/25/1997 | US5606335 Periodic surfaces for selectively modifying the properties of reflected electromagnetic waves |
02/06/1997 | WO1997004497A1 Antenna reflector |
02/05/1997 | EP0673554B1 Polarimetric radar reflector, in particular for use as a calibrator or beacon |
02/04/1997 | USH1631 Method of fabricating radar chaff |
02/04/1997 | US5600483 Three-dimensional periodic dielectric structures having photonic bandgaps |
02/04/1997 | US5600325 Ferro-electric frequency selective surface radome |
01/23/1997 | WO1997002496A1 Monostatic fmcw radar sensor |
01/21/1997 | US5596338 Multifunction antenna assembly |
01/21/1997 | US5596336 Low profile TEM mode slot array antenna |
01/07/1997 | US5592336 Reflector supporting mechanism |
01/07/1997 | US5592186 Sectional filter assembly |
01/02/1997 | EP0751582A2 Multifunction antenna assembly with radiating horns |
01/02/1997 | EP0592584B1 A device for gauging the level of a fluid |
01/01/1997 | CN1139300A Apparatus capable of receiving circularly polarized signals |
12/28/1996 | CA2165220A1 Multifunction antenna assembly |
12/25/1996 | CN1138759A Patch antenna array capable of simultaneously receiving dual polarized signals |
12/24/1996 | US5587829 Method and apparatus for signal filtering |
12/19/1996 | WO1996040505A1 Infrared radiation-interactive article, and method of generating a transient infrared radiation response |
12/18/1996 | EP0749177A1 Spacecraft antenna reflectors and stowage and restraint system therefore |
12/18/1996 | EP0611501B1 Beam compensation methods for satellite communication system |
12/10/1996 | US5583515 Cross polarization compensation for zero vector communication signals |
12/10/1996 | US5583507 Passive identification of friend vs. foe apparatus and method |
12/03/1996 | US5581267 Gaussian-beam antenna |
12/03/1996 | US5581265 Reflector antenna assembly for dual linear polarization |
11/28/1996 | WO1996038025A1 Composite materials |
11/26/1996 | US5579024 Electromagnetic energy shield |
11/26/1996 | US5579021 Scanned antenna system |
11/20/1996 | CN2240787Y Multi-piece metal frame type satellite parabolic torus antenna |
11/19/1996 | US5576721 Composite multi-beam and shaped beam antenna system |
11/19/1996 | US5576710 Electromagnetic energy absorber |
11/12/1996 | US5574472 Simplified spacecraft antenna reflector for stowage in confined envelopes |
11/07/1996 | DE19526907C1 Radar signature modification apparatus esp. for ground vehicles |
11/06/1996 | EP0741435A1 Ultra lightweight thin membrane antenna reflector |
11/06/1996 | CA2164362A1 Ultra lightweight thin membrane antenna reflector |
11/05/1996 | US5571621 Infrared radiation-interactive article, and method of generating a transient infrared radiation response |
10/30/1996 | CN2239084Y Inserted satellite TV. receiving antenna |
10/29/1996 | US5570230 Retroreflector for laser geodesy with omnidirectional correction of speed aberrations |
10/23/1996 | EP0738900A1 Landing aid method for aircrafts |
10/22/1996 | US5567554 Mask for producing radomes to high precision |
10/16/1996 | EP0737562A2 Method of making a molded product having a functional film, the product, and apparatus for making the product |
10/10/1996 | WO1996031918A1 Window-mounted antenna array with a high heat-transmission attenuation factor |
10/10/1996 | DE19513263A1 Antennenanordnung auf einem Fenster mit hoher Wärmetransmissionsdämpfung Antenna array on a window with a high heat transmission attenuation |
10/08/1996 | US5563616 Antenna design using a high index, low loss material |
10/08/1996 | US5563614 Low noise dual polarization electromagnetic power reception and conversion system |
10/03/1996 | WO1996030965A1 Support cylinder for fragile and heavy structures, such as telescope mirrors |
10/02/1996 | EP0735611A2 Patch antenna array capable of simultaneously receiving dual polarized signals |
10/02/1996 | EP0735610A2 Apparatus capable of receiving circularly polarized signals |
09/26/1996 | WO1996029621A1 Metallodielectric photonic crystal |
09/18/1996 | EP0732766A1 Scanned antenna system |
09/17/1996 | US5557292 Multiple band folding antenna |
09/11/1996 | CN1130784A Energy feeding method using natural isogonal rotary curved surface |
09/10/1996 | US5554999 For use in a predetermined bandwidth |
09/03/1996 | US5552249 Method for making a mask useful in the conformal photolithographic manufacture of patterned curved surfaces |
08/27/1996 | US5550553 Dielectric rod antenna |
08/20/1996 | US5548294 Dielectric lens focused scanning beam antenna for satellite communication system |
08/20/1996 | US5548292 Mobile communication satellite payload |
08/20/1996 | US5548289 Anti-sensing method and device for radar |
08/14/1996 | EP0587810B1 Process for the production of lenses with a variable refraction index |
08/14/1996 | EP0569390B1 Antenna system |
08/07/1996 | CN1128586A Radiation sensor |
08/06/1996 | US5543815 Shielding screen for integration of multiple antennas |
08/06/1996 | US5543720 Device for gauging the level of a fluid |
07/31/1996 | CN1127943A System with multiple source antennae integrated with a lownoise frequency converter |
07/30/1996 | US5541614 Smart antenna system using microelectromechanically tunable dipole antennas and photonic bandgap materials |
07/30/1996 | US5541613 Efficient broadband antenna system using photonic bandgap crystals |
07/11/1996 | WO1996021164A1 Microwave energy implemented aircraft landing system |
07/04/1996 | DE19544500A1 Dish-type reflecting or reflector antenna for communications satellite |
07/02/1996 | US5532710 Satellite dish stacking system |
06/26/1996 | EP0718655A2 Reflector supporting mechanism |
06/25/1996 | US5530445 Parafoil-borne distress signals |
06/19/1996 | EP0717459A1 Metallized glass plate |