System and method for tracking ID tags using a data structure of tag reads

CAFC
  • US 7,199,715 B2
  • Filed: 03/01/2005
  • Issued: 04/03/2007
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. A method of tracking tags at several successive points of a business process, said method comprising:

  • attempting to read each tag at each successive point;

    populating a database with information corresponding to the reading of each tag at each successive point and the time of each reading;

    modifying part of the information in the database as a function of other information in the database; and

    using the modified information to track the tags through the business process.

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