Dual polarization microstrip array antenna
CA 1307842 C · Owner: Her Majesty The Queen, In Right Of Canada, As Represented By The Minister Of Industry · Inventors: Alden, Adrian William; Ohno, Tom Tsuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Adrian William Alden, Tom Tsuyoshi Ohno ABSTRACT OF THE DISCLOSURE, Dual polarization microstrip array antennas for high efficiency power reception or transmission of electromagnetic waves are described. The antennas are easy to manufacture, applicable over a wide range of frequencies and angles of incidence, and permit true conformal application and high power handling. The antenna according to, an embodiment, has an array of microstrip patch antenna elements, wave filters, matching stubs and rectifier terminals, all highly symmetrically arranged to each other on one side of a dielectric layer. A common ground plane is provided on the other side of the dielectric layer. Rectifiers are …
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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
- 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.