Optical distributor
CA 1322287 C · Owner: Healey, Peter · Inventors: Healey, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical distributor comprises an optical input (II), and 2n optical outputs (01-08), where n is an integer greater than 1, one or more plane mirror surfaces (5) and transflective means (2, 3, 4). The plane mirror surface or surfaces (5) and the transflective means (2 3, 4) are arranged to provide one optical path between the input (II) and each of the outputs (01-08) each path, making n transitions only at the transflective means. In a preferred embodiment the transflective means comprise n separate beam splitter stages the effective, lengths of the n separate splitter stages 3 4) being, substantially in the ratio 1:2:...2n. The beam splitters may be formed by transflective coatings on …
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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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 2010.
- 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.