G - Physics – 03 – B
Patent
G - Physics
03
B
95/3
G03B 33/00 (2006.01) B41C 1/12 (2006.01) B41M 1/18 (2006.01) G03F 3/04 (2006.01) G03F 3/10 (2006.01)
Patent
CA 1147188
PRE-PRESS COLOR PROOFING BY LIGHT EXPOSURE TO PHOTOGRAPHIC MEDIA Abstract of the Disclosure Pre-Press color proofing of a set of color separation films from which printing plates are to be made for color printing of a multi-color image on a paper or like printing base with a given set of printer's inks or the like, by: (a) preparing samples of the given inks or the like on the printing base or equivalent thereof; (b) determining the primary color component makeup of each sample in relation to a given illuminant source and from a color reference data base based on such illuminant source, determining a group of color filters and associated color filter exposure times appropriate to substantially reproduce each sample color on a selected photographic paper when the paper is exposed to the illuminant source through such filters for such exposure times; (c) exposing the undeveloped photographic paper to the light source in sequence through each color separa- tion film and its associated group of color filters for the determined respective filter exposure times to substantially reproduce each separation film color image in the associated sample color on the photographic paper when developed, and (d) developing the exposed photographic paper to provide the pre-press color proof.
344241
Ingalls Marjorie D.
Ingalls Richard D.
Gowling Lafleur Henderson Llp
Ingalls Marjorie D.
Ingalls Richard D.
LandOfFree
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