| 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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| 05/27/1998 | CN1038544C Reinforced composite material parabolic microwave aerial |
| 05/20/1998 | EP0843182A2 Obstacle sensor operating by collimation and focusing of the emitted wave |
| 05/14/1998 | WO1998020579A1 Lens arrangement suited for focusing radar waves |
| 05/14/1998 | DE19645816A1 Linsenanordnung zur Bündelung von Radarwellen Lens assembly for focusing radar waves |
| 05/12/1998 | US5751247 Fixed earth station |
| 05/12/1998 | US5751238 Active corner reflector |
| 05/12/1998 | US5749959 Dark coating with low solar infrared absorbing properties |
| 04/29/1998 | EP0838877A2 Deployable reflectors |
| 04/28/1998 | US5745082 Radiation sensor |
| 04/21/1998 | US5741445 Method of making lightweight closed-back mirror |
| 04/14/1998 | US5740164 Traffic routing for satellite communication system |
| 04/14/1998 | US5739796 Ultra-wideband photonic band gap crystal having selectable and controllable bad gaps and methods for achieving photonic band gaps |
| 04/09/1998 | WO1998015033A1 Dielectric lens assembly for a feed antenna |
| 04/09/1998 | WO1998014923A1 Omnidirectional passive electrical marker for underground use |
| 04/07/1998 | US5736959 Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas |
| 04/07/1998 | US5736954 Parafoil-borne distress signals |
| 03/31/1998 | US5732904 Device for signature reduction |
| 03/18/1998 | EP0829186A1 Composite materials |
| 03/17/1998 | US5729239 Voltage controlled ferroelectric lens phased array |
| 03/12/1998 | WO1998010305A1 Microwave energy implemented aircraft landing system |
| 03/05/1998 | WO1998009490A1 Windowpane having electromagnetic shielding ability |
| 03/03/1998 | US5724050 Linear-circular polarizer having tapered polarization structures |
| 02/26/1998 | DE19731904A1 Protective anti-radiation casing e.g. for RF device |
| 02/25/1998 | EP0825677A2 Reflector material with low passive intermodulation (PIM) |
| 02/25/1998 | EP0824764A1 Head-lamp with integrated microwave antenna |
| 02/19/1998 | WO1998006509A1 Applications of metallized textile |
| 02/11/1998 | EP0823750A1 Synchronous rotation dual-axis mechanical hinge assembly |
| 02/10/1998 | US5717407 Patch antenna array capable of simultaneously receiving dual polarized signals |
| 02/03/1998 | US5714960 Parabolic antenna |
| 01/28/1998 | CN1171667A Transmitter-receiver |
| 01/22/1998 | DE4125386A1 Radiation sensor suitable for radar or communication system |
| 01/15/1998 | WO1998001922A1 Focused narrow beam communication system |
| 01/15/1998 | WO1998001921A1 A planar dual-frequency array antenna |
| 01/15/1998 | CA2259564A1 A planar dual-frequency array antenna |
| 01/08/1998 | DE19623196C1 Radarsensor für den Einsatz in Kraftfahrzeugen Radar sensor for use in motor vehicles |
| 01/07/1998 | EP0817394A2 Transmitter-receiver |
| 12/30/1997 | US5703603 Multi-beam lens antenna |
| 12/18/1997 | WO1997047988A1 Radar sensor for use in motor vehicles |
| 12/16/1997 | US5699048 Omnidirectional passive electrical marker for underground use |
| 12/16/1997 | CA2105745C Identical surface shaped reflectors in semi-tandem arrangement |
| 12/11/1997 | DE19622755A1 Focusing lens especially for vehicle distance sensors |
| 12/10/1997 | CN1167350A Lens antenna of reducing inner reflection wave interference for improved dielectric material |
| 12/03/1997 | EP0810686A2 Lens antenna having an improved dielectric lens for reducing disturbances caused by internally reflected waves |
| 11/27/1997 | DE19620490A1 Textile ceramic fabric used in the form of an umbrella on handle |
| 11/26/1997 | EP0809324A2 Parabolic antenna for filling level measurement in a container |
| 11/19/1997 | EP0807991A1 Telescoping deployable antenna reflector and method of deployment |
| 11/18/1997 | US5689275 Electromagnetic antenna and transmission line utilizing photonic bandgap material |
| 11/12/1997 | EP0806808A2 On- vehicle windowpane antenna apparatus |
| 11/12/1997 | EP0806606A1 Reflector |
| 11/11/1997 | US5686930 Ultra lightweight thin membrane antenna reflector |
| 11/11/1997 | US5686178 Radar chaff, metal salt |
| 11/06/1997 | WO1997041622A1 Antenna system |
| 11/06/1997 | WO1997041620A1 Film sticker for satellite dishes |
| 11/05/1997 | CN1036356C Glass fibre reinforced plastic ball array used for semi-matter emulation |
| 11/04/1997 | US5684494 Reflector antenna, especially for a communications satellite |
| 11/04/1997 | US5684490 Highway vehicle guidance system |
| 10/29/1997 | EP0803932A1 Multiple band folding antenna |
| 10/29/1997 | EP0803931A2 Reflecting elements incorporated into aerospace structures for telecommunications |
| 10/28/1997 | CA2101141C Equalized offset fed shaped reflector antenna system and technique for equalizing same |
| 10/28/1997 | CA2072537C Simplified spacecraft antenna reflector for stowage in confined envelopes |
| 10/25/1997 | CA2203199A1 Reflecting elements incorporated into aerospace structures for telecommunications |
| 10/22/1997 | EP0599879B1 Radar reflectors |
| 10/21/1997 | US5680145 Light-weight reflector for concentrating radiation |
| 10/21/1997 | US5680139 Compact microwave and millimeter wave radar |
| 10/21/1997 | US5679604 Wire diamond lattice structure for phased array side lobe suppression and fabrication method |
| 10/15/1997 | EP0770272A4 Metal-coated substrate articles responsive to electromagnetic radiation, and method of making and using the same |
| 10/14/1997 | US5677796 Luneberg lens and method of constructing same |
| 10/14/1997 | US5677697 Millimeter wave arrays using Rotman lens and optical heterodyne |
| 10/07/1997 | US5675349 Durable, lightweight, radar lens antenna |
| 10/07/1997 | US5675104 Aerial deployment of an explosive array |
| 10/02/1997 | DE19613541C1 Fibre reinforced antenna reflector manufacturing method |
| 10/01/1997 | CN1161108A Protector for one or more electromagnetic sensors |
| 09/30/1997 | US5673056 Identical surface shaped reflectors in semi-tandem arrangement |
| 09/30/1997 | US5673049 Police radar jammer |
| 09/30/1997 | US5671869 Fiber chaff disseminator |
| 09/23/1997 | US5670959 Antenna reflector |
| 09/18/1997 | WO1997034337A1 Method and device for adaptive polarization conversion |
| 09/18/1997 | DE19626344A1 Bundling lens for vehicle sensor |
| 09/17/1997 | EP0795928A2 Antenna with single or double reflector, with shaped beams and linear polarisation |
| 09/16/1997 | US5668558 Apparatus capable of receiving circularly polarized signals |
| 09/10/1997 | EP0794442A1 Light weight closed-back mirror formed by CVD |
| 09/04/1997 | WO1997032360A1 Combination satellite and vhf/uhf receiving antenna |
| 09/04/1997 | WO1997032359A1 Folded bow-tie antenna |
| 09/04/1997 | WO1997032357A1 Head-lamp with integrated microwave antenna |
| 09/04/1997 | WO1997032353A1 Orthogonal switched antenna system |
| 09/04/1997 | DE19607653A1 Scheinwerfer mit integrierter Mikrowellenantenne Headlamp with an integrated microwave antenna |
| 09/03/1997 | EP0793291A2 Millimeter wave arrays using Rotman lens and optical heterodyne system |
| 09/02/1997 | US5662982 Material with artificial dielectric constant |
| 08/26/1997 | US5661594 Controllable optical periodic surface filters |
| 08/26/1997 | US5661499 Spherical dielectric lens with variable refractive index |
| 08/13/1997 | EP0789421A2 Durable, lightweight, radar lens antenna |
| 08/13/1997 | EP0788616A1 Telescope |
| 08/06/1997 | EP0787558A1 Method of manufacturing reflector |
| 08/06/1997 | EP0787370A1 Protector for one or more electromagnetic sensors |
| 07/30/1997 | EP0786825A1 Dielectric lens apparatus |
| 07/29/1997 | US5652631 Dual frequency radome |
| 07/23/1997 | EP0785595A1 Antenna |
| 07/22/1997 | US5650249 Method for making precision radomes |
| 07/10/1997 | DE19607934C1 Reflector for two different frequency ranges |
| 07/01/1997 | US5644322 Spacecraft antenna reflectors and stowage and restraint system therefor |