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Apparatus for compensating for image display characteristics

  • US 5,757,438 A
  • Filed: 11/04/1996
  • Issued: 05/26/1998
  • Est. Priority Date: 08/04/1994
  • Status: Expired due to Term
First Claim
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1. An image compensation system for a video appliance, comprising:

  • a sensor for generating a plurality of color signals, each color signal corresponding respectively to one of a plurality of color components of ambient light incident on said sensor;

    a memory for storing a plurality of sets of compensation data, each set corresponding to a respective one of a plurality of ambient light modes and representing image display characteristics which include two or more of contrast, brightness, saturation, sharpness, and white balance; and

    a microcontroller for determining a respective ambient light mode in response to said plurality of color signals and generating a compensation signal for compensating a video image during display on said video appliance based on the set of compensation data stored in the memory corresponding to the determined respective ambient light mode.

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