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Privacy-enhanced display device

  • US 20030026449A1
  • Filed: 08/06/2001
  • Published: 02/06/2003
  • Est. Priority Date: 08/06/2001
  • Status: Active Grant
First Claim
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1. A method for displaying an image only to an authorized user, comprising:

  • generating a data image;

    generating a mask image, wherein the mask image is a negation of the data image;

    selecting the data image or the mask image according to a select signal; and

    sequentially displaying the selected images on a display device.

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