Electronic image scanner and copier system with color matrix image enhancement
CA 1235792 A · Owner: Polaroid Corporation · Inventors: Alston, Lawrence E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: ELECTRONIC IMAGE SCANNER AND COPIER SYSTEM WITH COLOR MATRIX IMAGE ENHANCEMENT, ABSTRACT OF THE DISCLOSURE Image sensing and processing apparatus for use in an image facsimile system in which a subject is sensed in its primary red, green and blue colors as well as its complementary cyan, magenta and yellow colors to provide full color correction or enhancement as a function of color matrixing each primary color with its respective complementary color.
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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 April 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2005.
- 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.