A lightwave transmission telecommunications system employing a stacked matrix architecture
CA 2273991 A1 · Owner: Nelson, Glenn W. · Inventors: Nelson, Glenn W.; Carlton, Stephen C.; Kaminsky, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lightwave telecommunications matrix configuration for use in a fiber-optic telecommunications network includes a first set of interface circuits for interfacing with a first external fiber-optic circuit a second set of , interface circuits interfacing with a second external fiber-optic circuit and , a plurality of time slot matrices associated between the first and second sets of interface circuits for routing lightwave transmissions within the fiberoptic network. The matrix configuration is optimized for a variety of telecommunication switch architectures including add/drop matrix, ring, and , terminal configurations. Accordingly the matrix configuration is easily , scalable 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 August 19, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 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.