A modular, expandable and reconfigurable optical switch
CA 2310853 A1 · Owner: Leon-Garcia, Alberto · Inventors: Leon-Garcia, Alberto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus is disclosed for a modular and expandable optical switch that, transfers optical signals arriving at a multiplicity of input ports to distinct output ports. A, basic switching unit is disclosed that transfers n input optical signals to n distinct output, signals under the control of digital electronic signals. Apparatus and methods are, disclosed for building said n by n basic switching units using electrooptic wafer beam, deflectors. Methods are disclosed for building larger N input by N output optical, switches by interconnecting and controlling arrays of basic switching units. Finally, methods are disclosed for building even larger optical switches by using …
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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 June 6, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2022.
- 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.