Planar array antenna, comprising coplanar waveguide printed feed lines cooperating with apertures in a ground plane
CA 1323419 C · Owner: Rammos, Emmanuel · Inventors: Rammos, Emmanuel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a planar antenna of the kind comprising feed lines disposed in a flat circuit and cooperating by hyperfrequency coupling with a metal ground plane pierced by apertures, the feed lines presenting a termination juxtaposed with each aperture and a reflecting, lower plate disposed at a distance of approximately a quarter wavelength, wherein the metal plate comprises a metal coating deposited on a dielectric substrate the feed, lines comprising microstrips disposed in channels which open into the apertures, and the array of apertures channels and, microstrips being produced on the dielectric substrate by single face printed circuit techniques. The invention is …
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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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
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Timeline
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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.