An optical fiber testing and monitoring system with a bi-directional communication link
CA 2116164 A1 · Owner: Nortech Fibronic Inc. · Inventors: Chu, Ching; Prowse, Steven; Strifler, Anton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical fiber testing and monitoring system for use with a computer for testing one or more fiber optic cables. The system comprises a number of modules including an optical time domain reflectometer module, a power supply module and a light meter, module. The modules are mounted in a module tray which includes a bus for coupling each of the modules in the tray. The module bus provides power and a communication link between modules in the tray. The module tray can be fastened directly to the base of a notebook computer thereby converting the computer into a portable and versatile optical fiber test instrument and optical time domain reflectometer. The modules trays can also be stacked to …
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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 February 22, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2016.
- 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.