Patent · US Expired

Color conversion display apparatus and method

US4992862A · kind A · utility

34Cited by
9References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 1989
Grant dateFeb 12, 1991
Priority date
Expiry dateMar 31, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/6011
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Color conversion apparatus for video display of color images represented by printing data associated with a non-additive system of color components and including apparatus for generating a first set of values each of which depends on one of the non-additive color components in accordance with a selected color reproduction function, apparatus for generating a second set of values each of which depends on two of the non-additive color components in accordance with the selected color reproduction function and apparatus for generating an output signal in which a summation of the first and second sets of values is provided as the value of a component of an additive system associated with video data color components for use in display of the color image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.