Phase conjugate reflecting media
CA 1283247 C · Owner: British Petroleum Company P.L.C (The) · Inventors: Drury, Marion R.; Connors, Lucy M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
case 6330(2), ABSTRACT OF THE DISCLOSURE PHASE CONJUGATE REFLECTING MEDIA, This invention relates to the use of films of poly(acetylene) whether isotropic, of low crystallinity or oriented as a nonlinear phase conjugate reflecting medium. The principle can be applied to devices comprising phase conjugate mirrors or use of such devices, for degenerate four-wave mixing or for producing real time holograms. The resultant devices can be used in laser targetting high speed image processing, optical communication and for power ant image transmission.
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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
- 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.