G - Physics
06
G
235/113
G06G 1/00 (2006.01)
Patent
CA 1155813
ABSTRACT OF THE DISCLOSURE Color wheel comprising 3 transparent overlaid discs with circumferential arrays of primary color gradation on each such disc, the colors being overlappable when the discs are moved relative to each other to define thousands of combinations and arranged so that in primary positions of the three discs, which are transparent, the color wheel forms perfect complements, triads, quartets, sextets, etc. and in almost all relative positions perfect and equal increments of analogous gradations of different color schemes (at all arcs where colors are chang- ing). In each disc there is a 240-degree sweep of each primary color comprising a central 120 degrees of 100% intensity of the primary color decreasing in each 60-degree band of the side of the central 120-degree bands from 100% to 0 intensity at the outer edges of the 240-degree band. When the three such primary bands are aligned, they appear black through the combination of such colors where the said primaries are the primaries of the subtractive color system applied by inks or other mineral coatings, pigment impregnation or the like.
361007
Norton Thomas K.
Swabey Ogilvy Renault
LandOfFree
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