Methods and apparatus for cymk-rgb ramdac

Details Methods and apparatus for cymk-rgb ramdac Methods and apparatus for cymk-rgb ramdac

G - Physics

09

G

G09G 5/02 (2006.01) G09G 1/28 (2006.01) H04N 1/60 (2006.01)

Patent

CA 2044558

A thirty-two bit frame buffer provides real time conversion of CYMK color data to RGB color data for display on a video monitor. The frame buffer operates at a video rate of 100 mHz and includes pipelined arithmetic using look up tables for some of the CYMK to RGB conversion steps. Also provided are look up tables providing gamma correction and pixel-by-pixel selection of CYMK to RGB conversion, to allow display of an RGB window in a CYMK information display.

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