Image magnifying and pick-up system with lighting light-guide device
CA 1297461 C · Owner: Mitsubishi Kasei Corporation · Inventors: Yamamoto, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An image magnifying and pick-up system including a lighting light-guide device for guiding illuminating light to the surface of an observed portion of a specimen. The device includes a light-guide cap mounted at the front end of a lens tube. The light-guide cap includes an outer surface adapted to be abutted against the surface of the specimen so that, illuminating light from optical fibres is guided through the lens tube and light-guide cap may be projected on to the surface of the specimen. The light-guide cap is formed of a transparent material into a substantially hemi-spherical shape and has a central observation aperture to that the, illuminating light may be introduced via an annular …
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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 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.