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Identification document having embedding information related to the subject

  • US 6,286,761 B1
  • Filed: 12/03/1999
  • Issued: 09/11/2001
  • Est. Priority Date: 12/03/1999
  • Status: Expired due to Term
First Claim
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1. An identification document for a subject, comprising:

  • a) a substrate;

    b) a visual image formed on the substrate or a recording layer over the substrate, such visual image including at least a face image of the subject in a first area; and

    c) invisible but retrievable embedded information formed in the face image in the first area but not formed in a second area of the visual image, such embedded information corresponding to the identity of the subject and being usable for identifying the subject.

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