Apparatus and method for restoring fiber optic communications network connections
CA 2265781 A1 · Owner: Elahmadi, Siraj Nour · Inventors: Bullock, Paul A.; Elahmadi, Siraj Nour; Nagaraj, Kesavamurtny
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for connecting traffic along a communications network are accomplished by rerouting traffic upon the detection of a fault condition along a primary connection path. Signals are divided into different wavelength regions labelled red and blue, respectively. The wavelength bands between transmit and receive channels are alternated between red and blue band regions and then combined, multiplexed or "bundled" together by a wideband wavelength division multiplexer in a single non wavelength specific transmission medium for connection to a single unidirectional Optical Cross Connect System (OCCS) port. Additionally, the receiving end of a single medium is connected to a …
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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 July 8, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 8, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 8, 2020.
- 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.