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System and method for tracking shipment of items utilizing RFID-tags

  • US 20050004702A1
  • Filed: 07/01/2004
  • Published: 01/06/2005
  • Est. Priority Date: 07/02/2003
  • Status: Active Grant
First Claim
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1. A method of tracking a plurality of mail units during transfer from a source location to a destination, the method comprising:

  • associating information identifying the plurality of mail units with a radio frequency (RF) tag that identifies a carrier unit;

    storing said associated information in at least one of the RF tag and a computer memory;

    communicating with the RF tag to identify the location of the carrier unit; and

    identifying the location of at least one of the plurality of mail units based at least in part on the location of the carrier unit.

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