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Statistical sampling security methodology for self-scanning checkout system

  • US 6,672,506 B2
  • Filed: 10/15/2001
  • Issued: 01/06/2004
  • Est. Priority Date: 01/25/1996
  • Status: Expired due to Term
First Claim
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1. A method for auditing a self-checkout system wherein a customer selects a plurality of items for purchase, registers the plurality of items with a portable terminal and deposits the plurality of items in a container, said method comprising the steps of:

  • a. transmitting product identification data from the portable terminal to a host computer;

    b. accessing a database by said host computer, said database containing security criteria data;

    c. determining the types of items to check in the container based at least partly on said security criteria data;

    d. generating a security list comprised of said types of items to audit in response to step (c); and

    e. comparing the items in the container with said security list generated in step (d).

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