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