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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05/06/1986 | US4587227 Ethylene polymers and chromium catalysts |
04/29/1986 | US4586051 Reflector distortion compensation system for multiple-beam wave satellite antennas |
04/29/1986 | US4585317 Reflector with attenuating connecting plates |
04/22/1986 | US4584589 Antenna having a rapid engagement pivot joint between the antenna reflector and support structure |
04/09/1986 | EP0176994A2 Radar detectable object having improved radar reflectivity |
04/01/1986 | US4578920 Synchronously deployable truss structure |
03/25/1986 | US4578682 Antenna dish |
03/25/1986 | US4578680 Feed displacement correction in a space fed lens antenna |
03/25/1986 | US4578303 Fiber compound structural component and method for making such a component |
03/25/1986 | CA1202414A1 Antenna having isotropic electro-conductivity characteristic |
03/25/1986 | CA1202173A1 Alignment gage for dish antennas |
03/19/1986 | EP0174329A1 Antenna for circularly polarised radiation |
03/18/1986 | US4576441 Variable fresnel lens device |
03/18/1986 | CA1202105A1 Passive electromagnetic wave duplexer comprising a semiconductor |
03/11/1986 | US4575726 Antenna construction including two superimposed polarized parabolic reflectors |
03/11/1986 | US4574457 Method for forming a precision surface of large area |
03/04/1986 | US4574288 Passive electromagnetic wave duplexer for millimetric antenna |
02/27/1986 | WO1986001339A1 Radio frequency polariser |
02/25/1986 | US4573054 Excitation device for a dual band ultra-high frequency corrugated source of revolution |
02/19/1986 | EP0171938A2 Slip coating |
02/18/1986 | US4571594 Directional antenna system having sidelobe suppression |
02/05/1986 | EP0170610A2 Dismountable parabolic mirror for concentrating radiation |
02/04/1986 | US4568945 Satellite dish antenna apparatus |
02/04/1986 | US4568943 Antenna feed with mode conversion and polarization conversion means |
02/04/1986 | US4568603 Fiber-reinforced syntactic foam composites prepared from polyglycidyl aromatic amine and polycarboxylic acid anhydride |
01/28/1986 | US4566321 Microwave tank-contents level measuring assembly with lens-obturated wall-opening |
01/21/1986 | US4565745 Metallic stretch fabric |
12/31/1985 | US4562441 Orbital spacecraft having common main reflector and plural frequency selective subreflectors |
12/31/1985 | CA1198811A1 Antenna apparatus including frequency separator having wide band transmission or reflection characteristics |
12/17/1985 | US4559540 Antenna system with plural horn feeds |
12/10/1985 | US4557965 Layer of electroconductive fibrus, layer of mosaic patterned metal |
11/21/1985 | WO1985005113A1 Fiber-reinforced syntactic foam composites and method of forming same |
11/19/1985 | US4554204 Fiber reinforced resin molded articles for electromagnetic waves and method for production thereof |
11/19/1985 | US4553629 Ellipticized acoustical lens providing balanced astigmatism |
11/12/1985 | CA1196719A1 Device for connecting and guiding the individual collapsible elements of a rigid, collapsible antenna reflector |
11/06/1985 | EP0160198A1 Electrically heatable reflection element |
11/05/1985 | US4551726 Omni-directional radar and electro-optical multiple corner retro reflectors |
11/05/1985 | US4551692 Monolithic polarizer grating |
10/23/1985 | EP0158771A2 Circular polarization reflector |
10/22/1985 | US4549187 Metallic coated and lubricated amorphous silica yarn used as a mesh antenna reflector |
10/08/1985 | US4546358 Large broadband free radiating electromagnetic test cell |
10/02/1985 | EP0156549A1 Antenna for circularly polarised radiation |
10/01/1985 | US4544928 Multifrequency reflector antenna |
10/01/1985 | CA1194594A1 Antenna reflector |
09/17/1985 | CA1193714A1 Box truss hoop |
09/12/1985 | WO1985004051A1 Antenna for circularly polarised radiation |
09/09/1985 | EP0120053A4 Method for adjusting and connecting cords. |
08/27/1985 | CA1192659A1 Geodesic dome/lens antenna |
08/27/1985 | CA1192656A1 Reflector distortion compensation system for multiple- beam wave transmission and/or reception antennas |
08/20/1985 | US4536765 Method for reducing ice and snow build-up on the reflecting surfaces of dish antennas |
08/13/1985 | CA1191945A1 Frequency selective antenna |
08/13/1985 | CA1191944A1 Shifted focus cassegrain antenna with low gain feed |
08/06/1985 | US4533591 Process for producing a device for reflecting electromagnetic energy and product produced thereby |
07/23/1985 | US4531128 Buoyant radar reflector |
07/17/1985 | EP0148635A2 Radar reflector |
07/16/1985 | US4529277 Foldable reflector |
07/10/1985 | EP0147680A1 Circular-polarizing grating for antennas |
07/10/1985 | EP0147669A2 Joint for framework structure of fibrous composite material |
07/09/1985 | US4528569 Earth station antenna assembled on site |
07/03/1985 | EP0147333A2 Object discrimination and position determination system |
07/02/1985 | US4527167 Parabolic reflector formed of connectable half-sections |
07/02/1985 | US4527166 Lightweight folding parabolic reflector and antenna system |
06/19/1985 | EP0145510A1 Antenna |
06/19/1985 | EP0144672A2 Collapsible antenna net reflector |
05/29/1985 | EP0142753A2 Reflecting antenna with a parabolic mirror and primary feed |
05/22/1985 | EP0142180A1 Method of making a moulded body of plastic material covered by a metallic layer, and plane antenna so realized |
05/21/1985 | US4518966 Adaptive spatial microwave filter for multipolarized antennas and the process of its application |
05/14/1985 | US4517569 Passive retroreflective doppler shift system |
05/07/1985 | US4516130 Antenna arrangements using focal plane filtering for reducing sidelobes |
05/07/1985 | CA1186794A1 Dish structure for satellite receiving antenna |
04/30/1985 | CA1186406A1 Dipole array lens antenna |
04/23/1985 | US4513293 Frequency selective antenna |
04/16/1985 | US4511901 Device for connecting and guiding the individual collapsible elements of a rigid, collapsible antenna reflector |
04/09/1985 | US4510502 Dish antennae mounting structure |
03/26/1985 | CA1184651A1 Antenna system for different frequency bands |
03/19/1985 | US4506271 Portable antenna with wedge-shaped reflective panels |
03/19/1985 | US4506270 Reflecting mirror antenna unit with diverse curvature |
03/12/1985 | US4504835 Low sidelobe, high efficiency mirror antenna with twist reflector |
03/05/1985 | US4503101 Foldable, pop-open corner reflector decoy target articles |
02/26/1985 | US4501784 Dispersion of reflected radar |
02/12/1985 | US4498368 Frangible fly through diaphragm for missile launch canister |
02/05/1985 | US4498087 Apparatus for unfolding an antenna netting reflector |
01/29/1985 | US4495706 Alignment gage for dish antenna |
01/22/1985 | US4495506 Image spatial filter |
01/16/1985 | EP0131328A1 Transmit-receive device for a presence-detecting radar, and method of making it |
12/11/1984 | US4488156 Geodesic dome-lens antenna |
11/20/1984 | US4484198 Antenna support system with two dimension flexibility |
11/20/1984 | US4484195 Method of screening infra-red radiation |
11/13/1984 | US4482900 Deployable folded antenna apparatus |
11/13/1984 | US4482513 Method of molding foam/aluminum flake microwave lenses |
11/06/1984 | CA1177575A1 Dished reflector and method of making dished reflector |
10/23/1984 | US4479131 Thermal protective shield for antenna reflectors |
10/23/1984 | US4479128 Polarization means for generating circularly polarized electro-magnetic waves |
10/17/1984 | EP0122243A2 A method for manufacturing a radar camouflage material |
10/16/1984 | US4477815 Radome for generating circular polarized electromagnetic waves |
10/16/1984 | US4477814 Dual mode radio frequency-infrared frequency system |
10/09/1984 | US4476471 Antenna apparatus including frequency separator having wide band transmission or reflection characteristics |
10/09/1984 | US4475323 Box truss hoop |
10/03/1984 | EP0120053A1 Method for adjusting and connecting cords. |
09/26/1984 | EP0119253A1 Frequency selective surfaces |