Patent ID: 11886944
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. A method for adjusting spot colors in printing operations, the method comprising:
determining a first color swatch of a first spot color as a center color swatch;
generating a first plurality of test charts, each test chart having a plurality of rings of color swatches by
positioning a first plurality of rings of color swatches for a first test chart centered around the first color swatch at a color adjustment value, wherein the adjustment value for each of the first plurality of rings corresponds to a first color change from the first color swatch,
positioning a second plurality of rings of color swatches for a second test chart centered around a second color swatch at the color adjustment value, wherein the second color swatch differs from the first color swatch according to an increase in a lightness adjustment value, and
positioning a third plurality of rings of color swatches for a third test chart centered around a third color swatch at the color adjustment value, wherein the third color swatch differs from the first color swatch according to a decrease in the lightness adjustment value; and

selecting a desired color swatch having a desired spot color from one of the first plurality of rings, the second plurality of rings, and the third plurality of rings.