Patents Represented by Attorney G. G. Williams

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  • Real time apparatus for adjusting contrast ratio of liquid crystal displays
    Patent number: 4888599
    Abstract: Method and apparatus for manipulating the gray scale voltage levels in liquid crystal displays, in order to provide for enhanced image quality, over temperature extremes by monitoring the actual transmittance through the liquid crystal over time and comparing the information with earlier information.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: December 19, 1989
    Assignee: Rockwell International Corp.
    Inventors: Craig E. Harwood, Lyle R. Strathman