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Optical Media with Reduced Areal-Sized Optical shutters

  • US 20080028420A1
  • Filed: 01/22/2007
  • Published: 01/31/2008
  • Est. Priority Date: 01/20/2006
  • Status: Abandoned Application
First Claim
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1. An optical medium comprising:

  • an information layer and an optical shutter for preventing access to only a portion of content of the information layer, the medium being adapted for holding a first information content not having access preventable by the optical shutter, and for holding a second information content on the information layer, access to the second content being conditionally prevented by the optical shutter.

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  • 6 Assignments
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