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Apparatus and method for gray scale display

  • US 5,119,086 A
  • Filed: 06/14/1989
  • Issued: 06/02/1992
  • Est. Priority Date: 06/18/1988
  • Status: Expired due to Term
First Claim
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1. An apparatus for gray scale display comprising:

  • display memory means for storing display information, including color information for colors formed by combining a plurality of colors;

    gray scale signal generating means for generating a plurality of gray scale signals for a predetermined color corresponding to one of the colors represented by the color information;

    gray scale selecting means responsive to receipt of the plurality of gray scale signals for the predetermined color from said gray scale signal generating means for selecting one of the gray scale signals for the predetermined color;

    means for controlling the gray scale corresponding to each of the plurality of colors to obtain a specific display contrast; and

    video signal generating means for generating a video signal corresponding with the gray scale signal selected by said selecting means.

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