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

Claim 12:
13. A method for adjusting spot colors in printing operations, the method comprising:
determining a first color swatch of a first spot color;
generating a test chart having a plurality of rings of color swatches by
positioning each ring of color swatches from the plurality of rings around the first color swatch at an adjustment value,
wherein the adjustment value for each ring of color swatches corresponds to a color change from the first color swatch,
wherein a number of color swatches in each ring increases extending away from the first color swatch, and
wherein the adjustment value for a first ring of color swatches is less than the adjustment value for a second ring of color swatches;

selecting a set of color swatches from the plurality for rings, wherein the set of color swatches have different spot colors from the first spot color;
determining a first midpoint color in a color space based on the set of color swatches;
adjusting a first new test chart to center the first midpoint color; and
generating the first new test chart having a new plurality of rings around the first midpoint color.