Multimode-dielectric-loaded multi-flare antenna
CA 1312138 C · Owner: Anderson, Donald E. · Inventors: Anderson, Ordean S.; Nair, Ramakrishna A.; Anderson, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A small aperture forward facing antenna for receiving far field electromagnetic signals comprising an outer conical shell and interiorly of which are formed at least first and second conically flared, conductive stages of, increasing flare angles which are rigidly or telescopically coupled to one another via an intermediate cylindrical stage. In one construction a dielectric coating is applied to form a conically smooth interior surface over all stages. In other constructions one or more of the conically flared, and cylindrical stages include conical dielectric inserts or coatings. Mountable at varying positions relative to the antenna input aperture are various forward facing focusing …
Read the whole patent
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 December 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 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.