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