Optical coupling system
CA 1302136 C · Owner: Rca Corporation · Inventors: Alphonse, Gerard Argant; Toda, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
RCA 82,988, OPTICAL COUPLING SYSTEM, Abstract of the Disclosure An optical coupling system comprises a radiation emitting device and a radiation receiver. The radiation emitting device has an emitting end face and emits radiation having an optical axis of symmetry which is inclined at an output angle relative to the direction perpendicular to the emitting end face. The radiation receiver has a receiving axis and a receiving end face which is inclined at a wedge angle relative to a plane perpendicular to the receiving axis and the receiving end face is positioned adjacent the emitting device. The receiving end face may be first inclined at the wedge angle such that the optical axis of …
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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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 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.