Light source for an optical sensor and optical measuring device using same
CA 1311027 C · Owner: Cerutti-Maori, Guy · Inventors: Cerutti-Maori, Guy; Singer, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE OF THE INVENTION, "Light source for an optical sensor and optical measuring device using same", TEXT OF THE ABSTRACT Light source for an optical sensor for sensing the position of a body as measured by the relative position or positions of light spots from the source on a linear sensing member, the source being in the form of a plane luminous geometrical figure comprising a curve (23, 23', 24, 24') symmetrical relative to an axis (22) characterised in that the curve is symmetrical relative to another axis (21) and has at least a first thickness (e1) on one side of a first (21) of the two axes and at least a second thickness (e2) on the other side of that axis. Application to a device …
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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 December 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 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
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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.