Method and apparatus for reproducing blended colorants on an electronic display
CA 2444218 A1 · Owner: Milliken & Company · Inventors: Adams, Louis William Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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An apparatus and method for reproducing the color of blended colorants on an electronic display such as a cathode ray tube liquid, crystal display or other type of electronic device that utilizes RGB values. Predictions of blended colorants on or in substrates can be made from XYZ measurements of samples prepared with no colorants one, colorant, and pairs of colorants. The calculation method uses light absorption, light scattering, and light absorption blend coefficients. An image digitizer can be used to obtain XYZ values from samples. Furthermore image digitizer RGB values are converted into XYZ values with a non-linear model using a simple method. Furthermore the above, process to …
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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
- Filed March 5, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 5, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2015.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.