Fiber optic switch
CA 1298115 C · Owner: Nortel Networks Corporation · Inventors: Anderson, John Cameron; Goodwin, John Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fiber optic switch of the moving fiber type and a method of making such switches. The switch has at least one stationary fiber and a mobile fiber carried by an actuator preferably a, bimorph, the end of the movable fiber being movable between a transmitting position in which the core of the mobile fiber is aligned with the core of the one stationary fiber and a position in which there is no alignment of the core of the mobile fiber with the core of the same stationary fiber. The stationary fiber is affixed to a smooth substrate surface with a slight flex downwardly between the point at which it is affixed to substrate surface and the end of the fiber which engages the substrate surface. …
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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
- Granted March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
- 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.