Fiber optic relay switch
CA 1094851 A · Owner: Trw Inc. · Inventors: Dunn, William M.; Hodge, Malcolm H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fiber optic relay switch is provided for switching optical signals from a first to a second signalreceiving fiber. The switch comprises a pair of cylindrical members defined by cylindrical surfaces forming interstitial fiber channels. The members are axially aligned and rotatable with respect to each other. At least one optic fiber is housed in a passageway of the first member and at least two optic fibers are housed in the channels of the second member. A coupling face is provided between the ends of the first and second members. The fiber in the first member terminates in alignment with the coupling face of the first member and is also aligned with at least one of the two fibers in the …
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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 February 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 3, 1998.
- 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.