A color recording method allows digital color recording by calculating fractional areas to be covered by each color used in recording. A plurality of sets of area factors for the colors are calculated from a plurality of sets of color equations corresponding to a plurality of sets of magnitude relationships...http://www.google.com/patents/US4683492?utm_source=gb-gplus-sharePatent US4683492 - Method and apparatus for recording a full-color image with a plurality of colorants on the basis of a set of area factors for the colorants selected from a plurality of sets of area factors calculated from a plurality of sets of equations
