Slotted waveguide antenna
CA 1319976 C · Owner: Goto, Naohisa · Inventors: Goto, Naohisa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slotted waveguide antenna comprises a plurality of radiating waveguides having at least one radiating slot a feed waveguide for feeding to the radiating waveguides and coupling apertures arranged between the feed waveguide and the radiating waveguides at a distance of an integer multiple of the guide wavelength of the feed waveguide. The plurality of radiating waveguides are disposed in parallel to form an array in a manner that the radiating slots in the respective radiating waveguides are directed in the same direction. The feed waveguide is on the same plane as the array formed by the radiating waveguides. The transverse width of each radiating waveguide is one half of the distance …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 6, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.