Expandable matrix optical switch
CA 2266992 A1 · Owner: Jds Fitel Inc. · Inventors: Duck, Gary Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an expandable matrix optical switch module adapted to, be used as an nxm switch singly or as a larger switch assembly comprised of multiple, switch modules coupled together. The switch module includes arrays of input and, output transfer waveguides, such as pigtail fiber connector ends aligned with , the input, waveguide array and with the output waveguide array. Switch modules may be coupled, together permitting a signal to be passed from a first into one or more additional switch, modules, effectively increasing the number of input waveguides or output waveguides in, a switch assembly. An existing switch module can be expanded as needed to …
Read the whole patent
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 March 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2021.
- 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.