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Package and mail delivery system

  • US 20040143354A1
  • Filed: 01/02/2004
  • Published: 07/22/2004
  • Est. Priority Date: 08/01/1997
  • Status: Active Grant
First Claim
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1. A method for tracking items in a package delivery system, comprising:

  • writing into a plurality of storage labels, each of the labels associated with an item, information concerning delivery of the items, said information useful for automated sorting and tracking the items along their passage to destinations;

    transporting the items and their associated labels;

    applying query signals to the labels to retrieve the information and to cause said labels to provide said information by means of energy of the query signals received by the labels;

    sorting the items by means of the information retrieved; and

    delivering the sorted items to destinations.

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