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METHOD OF REVEALING HIDDEN CONTENT VIA HANDHELD DISPLAY DEVICE

  • US 20110316874A1
  • Filed: 09/02/2011
  • Published: 12/29/2011
  • Est. Priority Date: 12/01/1999
  • Status: Active Grant
First Claim
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1. A method of revealing hidden content associated with printed content using a handheld display device, said method comprising the steps of:

  • imaging an area of a printed substrate and generating image data using an image sensor of the handheld display device, the imaged area of the printed substrate containing the printed content but no hidden content;

    determining interaction data using said image data, said interaction data identifying a page description corresponding to at least part of the printed substrate;

    retrieving display data using the page description, said display data including the hidden content associated with the printed content;

    displaying, on an opaque touch-sensitive display screen of the handheld display device, display information at least partially based on said display data, said display information including the hidden content, wherein the opaque touch-sensitive display screen has real-time virtual transparency through the screen to the printed content from a user'"'"'s perspective to provide a virtual window to the printed content, and wherein the opaque display screen additionally displays the hidden content in real-time as if it were printed on the printed substrate.

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