Optical fiber splice verification system
CA 2104834 C · Owner: Konik, Walter Stan · Inventors: Mock, Joel Leslie; Konik, Walter Stan; Deveau, George Frank Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The splice verification system (10) of the present invention verifies the efficiency of an optical splice by measuring the scattered light escaping from the splice. Specifically the preferred embodiment performs, such scattered light measurement within a photodetection area which is substantially free of all ambient light. Furthermore the verification system, includes a reference power module (12) which prior to creating an optical, splice, measures the level of the optical signal being transmitted out of the end of an active fiber. The present invention then provides means to correlate the level gauged as a reference signal level relative to the amount of scattered light lost from the …
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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
- Filed August 25, 1993 and granted March 25, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 25, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 25, 2015.
- 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.