| 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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| 09/25/1979 | US4169268 Metallic grating spatial filter for directional beam forming antenna |
| 09/25/1979 | CA1063236A1 Dish antenna with integral deicer |
| 09/04/1979 | CA1061892A1 Constant beam width antenna reflector |
| 09/04/1979 | CA1061891A1 Polarization insensitive lens |
| 08/28/1979 | CA1061452A1 Frequency selective reflector system |
| 08/22/1979 | EP0003485A1 Airport surface detection equipment |
| 07/24/1979 | US4162209 Particles for deflecting electromagnetic radiation |
| 07/03/1979 | US4160254 Microwave dichroic plate |
| 05/29/1979 | US4156878 Wideband waveguide lens |
| 05/22/1979 | US4156213 Wide-band circular polarizer |
| 05/15/1979 | US4154788 One step |
| 05/01/1979 | US4151872 Panel deployment system |
| 04/18/1979 | EP0001393A2 A system for the distribution, transmission, detection, collection or modulation of propagating energy and/or energy fields |
| 04/03/1979 | US4148040 High resolution side-looking airborne radar antenna |
| 04/03/1979 | US4148033 Radar reflector for buoys and other floating objects |
| 04/03/1979 | US4148032 Method and means for defocusing engine cavity reflected energy |
| 03/20/1979 | US4145695 Launcher reflectors for correcting for astigmatism in off-axis fed reflector antennas |
| 03/13/1979 | US4144535 Method and apparatus for substantially reducing cross polarized radiation in offset reflector antennas |
| 02/13/1979 | CA1048254A1 Die forming of concave antenna reflectors |
| 01/24/1979 | EP0000447A1 Radar reflector |
| 11/28/1978 | US4127857 Radio frequency antenna with combined lens and polarizer |
| 11/21/1978 | US4126866 Space filter surface |
| 11/14/1978 | US4125841 Space filter |
| 10/17/1978 | US4120259 Visual and radar emergency detection balloon |
| 10/10/1978 | US4119965 Radar reflector |
| 10/10/1978 | US4119932 Linear polarization selective screen |
| 10/03/1978 | US4118598 Amplitude modulated impatt diode oscillator and a low cost communication system using same |
| 10/03/1978 | CA1039843A1 Aberration correcting subreflectors for toroidal reflector antennas |
| 10/03/1978 | CA1039842A1 Compact frequency reuse antenna |
| 09/26/1978 | US4117486 Buoyant chaff |
| 09/26/1978 | US4116258 Panel deployment and retraction system |
| 09/19/1978 | US4115784 Deployable ground plane antenna |
| 09/19/1978 | US4115775 Deep penetrating forebody with tethered radar reflector |
| 09/19/1978 | US4115177 Manufacture of solar reflectors |
| 09/12/1978 | US4114162 Geodesic lens |
| 08/22/1978 | CA1037155A1 Reflector antenna |
| 08/01/1978 | US4104634 Ground plane corner reflectors for navigation and remote indication |
| 07/11/1978 | US4100102 Composition for screening infra-red radiation |
| 07/04/1978 | US4099183 Self-destroying location marking means |
| 06/20/1978 | US4096483 Reflector with frequency selective ring of absorptive material for aperture control |
| 06/20/1978 | US4096479 Radar significant target |
| 05/30/1978 | US4092453 Lightweight structural part formed of carbon fiber-reinforced plastic |
| 05/23/1978 | US4091388 Boresight error compensation in boresighting antenna-radome system |
| 05/16/1978 | US4090198 Passive reflectance modulator |
| 05/16/1978 | US4090171 Underwater acoustic pressure release reflector |
| 05/02/1978 | US4087821 Polarization controllable lens |
| 03/14/1978 | US4079382 Frequency multiplexer employing a blazed diffraction grating |
| 02/21/1978 | US4074731 Compliant mesh structure and method of making same |
| 02/07/1978 | US4072948 Light weight radar reflector |
| 01/03/1978 | US4066343 Configuration control apparatus |
| 12/13/1977 | US4063241 Radar reflector |
| 09/06/1977 | US4047174 Method of reducing the radar cross-section of a dielectric body |
| 08/23/1977 | US4044360 Two-mode RF phase shifter particularly for phase scanner array |
| 08/23/1977 | US4044358 Self erectable structure |
| 07/26/1977 | US4038040 Flexible lattice-like grid structure etched from a metallic foil |
| 07/19/1977 | US4037228 System for augmenting the visual and radar characteristics of an airborne target |
| 06/21/1977 | US4030953 Method of molding fiberglass reflecting antenna |
| 06/14/1977 | US4030103 Deployable offset paraboloid antenna |
| 06/14/1977 | US4030102 Deployable reflector structure |
| 06/07/1977 | US4028701 Quasi-corner reflectors for electromagnetic radiation |
| 05/17/1977 | US4024318 Radar shields |
| 05/03/1977 | US4021817 Method of manufacture of antenna reflector having a predetermined curved surface |
| 05/03/1977 | US4021816 Heat transfer device |
| 05/03/1977 | US4021812 Layered dielectric filter for sidelobe suppression |
| 04/12/1977 | US4017865 Frequency selective reflector system |
| 04/05/1977 | US4016570 Constant beam width antenna reflector |
| 04/05/1977 | US4015653 Panel deployment system |
| 03/01/1977 | US4010471 Polarization rotator for phase array antennas |
| 01/04/1977 | US4001836 Parabolic dish and method of constructing same |
| 01/04/1977 | US4001834 Printed wiring antenna and arrays fabricated thereof |
| 12/21/1976 | US3998173 Stitched wire electrical structure and method of making same |
| 10/26/1976 | US3988731 Augmented perspective radar display |
| 10/19/1976 | US3987457 Variable property wire mesh antenna structure |
| 09/21/1976 | US3982249 Microwave radiation method and apparatus with a combined diffraction edge and radiation screen |
| 09/21/1976 | US3982248 Compliant mesh structure for collapsible reflector |
| 08/31/1976 | US3978490 Furlable antenna |
| 08/31/1976 | US3978486 Antenna reflector support |
| 08/17/1976 | US3975738 Periodic antenna surface of tripole slot elements |
| 07/27/1976 | US3972043 Cross-polarizing lens reflector |
| 07/20/1976 | US3971023 Parabolic reflector assembled from triangular shaped petals |
| 07/13/1976 | US3969731 Mesh articles particularly for use as reflectors of radio waves |
| 06/22/1976 | US3965472 Off-resonant chaff system for a large target viewed by low frequency radar |
| 06/22/1976 | US3965234 Method of making radar reflective buoy |
| 06/15/1976 | US3964071 Radar antenna having a screen supported by shaped slats |
| 05/25/1976 | US3959796 Simulation of lorentz plasma by random distribution of inductively-loaded dipoles |
| 05/11/1976 | US3956752 Polarization insensitive lens formed of spiral radiators |
| 04/20/1976 | US3952307 Deactivating radar chaff |
| 02/10/1976 | US3938151 Passive radar decoy having a large cross section |