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System for verifying of secure document

  • US 7,757,090 B2
  • Filed: 11/01/2007
  • Issued: 07/13/2010
  • Est. Priority Date: 05/25/1999
  • Status: Expired due to Fees
First Claim
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1. A system for verifying the validity status and/or authenticity information of a secure document, the secure document having user discernable information and a plurality of tags printed thereon, each tag containing coded data encoding an identity of the document and a location of that tag on the document, the system comprising:

  • memory for recording a correspondence between the identity of the secure document and validity status and/or authenticity information relating to the secure document;

    a receiver for receiving data from a sensing device, the data identifying the document identity and a position of the sensing device relative to the document, the data having been generated by the sensing device sensing coded data contained in at least one tag; and

    a processor for verifying the validity status and/or authenticity information of the secure document using the received data and recorded correspondence.

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