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Recording transactional information relating to an object

  • US 8,635,459 B2
  • Filed: 01/31/2005
  • Issued: 01/21/2014
  • Est. Priority Date: 01/31/2005
  • Status: Active Grant
First Claim
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1. A method performed with a computer readable storage medium for recording transactional information relating to an object including a tag having a unique identifier and memory, the method comprising:

  • reading the unique identifier of the tag;

    recording the transactional information relating to the object;

    encrypting the unique identifier and at least one portion of the transactional information into a code;

    writing the code to the memory of the tag at a point of a transaction of the object;

    reading the code and the unique identifier from the tag;

    decrypting the code;

    collecting the at least one portion of the transactional information from a source other than the tag; and

    comparing the unique identifier and the at least one portion of the transactional information to the decrypted code.

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