Method for digital color correction in color picture recording systems
CA 1082109 A · Owner: Dr.-Ing. Rudolf Hell G.M.B.H. · Inventors: Gall, Winrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is disclosed for the digital color correction of measured color picture values during color picture reproduction. A pattern is trichromatically sensed to create color measuring values which are transmitted to an input of a color correction calculator. The color correction calculator is adjusted to obtain desired corrected color values. A succession of signal values which are representative of the color space used during the reproduction process are applied to the color correction calculator to create a set of digitalized color corrected dosing values. This set of digitalized color corrected values is placed on a medium such as punched tape and then applied to a memory 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 July 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 1997.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.