A desired color of illumination of a subject is achieved by determining settings for color inputs and applying those setting to one or more systems that generate and mix colors of light, so as to provide combined light of the desired character. In the examples of appropriate systems, an optical integrating...http://www.google.com/patents/US7497590?utm_source=gb-gplus-sharePatent US7497590 - Precise repeatable setting of color characteristics for lighting applications
