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Image displaying apparatus

  • US 5,550,560 A
  • Filed: 09/29/1995
  • Issued: 08/27/1996
  • Est. Priority Date: 02/12/1993
  • Status: Expired due to Fees
First Claim
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1. An image display apparatus, comprising:

  • means for generating a video image with multiple regions;

    means for varying the intensity of a selected region of the video image, created by the means for generating, about an intensity level for the selected region;

    means for detecting by optical sensor the intensity of the selected region of the video image;

    means for comparing the detected intensity of the selected region with an average of the detected intensity, the average corresponding to the level for the selected region, to derive variations in the intensity created by the means for varying;

    means for identifying the selected region using the derived variations; and

    means for changing the generated video image responsive to the identification of the selected region.

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