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System and method for electronically auditing point-of-sale transactions

  • US 5,832,458 A
  • Filed: 11/19/1997
  • Issued: 11/03/1998
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A system for electronically auditing point-of-sale transactions, comprising:

  • at least one retail store, each store accepting coupons issued for use in connection with specific articles, each store having at least one partially automated point-of-sale system for processing a retail sales transaction in the normal operation of said retail store, the retail sales transaction comprising at least one coupon transaction stored as a coupon transaction record, including the universal product code (UPC) number of the article and the UPC number of the coupon;

    a non-invasive automated electronic auditor disposed in each of said stores for monitoring said point-of-sale system in a substantially totally passive manner and for collecting a copy of each of said coupon transaction records, said electronic auditor including a sensor assembly for detecting said coupon transaction records and a computer processor coupled to said sensor assembly for processing said coupon transaction records;

    said point-of-sale system operating independently of said electronic auditor, said electronic auditor operating responsive to said point-of-sale system without requiring any responsive operation by said point-of-sale system and without requiring any modification of said point-of-sale system; and

    an audit system processor remotely located from said at least one retail store for receiving said processed coupon transaction records, the audit system processor further for auditing the redemption of coupons to insure the coupons have been used only in connection with the specific articles for which the coupons were issued and auditing said coupon transaction record received from said automated electronic auditor for activity which is a predetermined statistical deviation from normal.

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