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Identification documents and authentication of such documents

  • US 7,639,837 B2
  • Filed: 01/23/2007
  • Issued: 12/29/2009
  • Est. Priority Date: 08/09/1995
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • obtaining optical scan data associated with text characters provided on an identification document;

    processing the optical scan data to obtain first data; and

    using at least a portion of the first data to facilitate decryption of information—

    not the text characters—

    carried on or by the identification document, wherein the information corresponds to the identification document or to an authorized bearer of the identification document, and in which the decryption of information is carried out by a programmed electronic processor.

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