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Systems and methods for price searching and customer self-checkout using a mobile device

  • US 8,086,497 B1
  • Filed: 03/05/2008
  • Issued: 12/27/2011
  • Est. Priority Date: 03/05/2008
  • Status: Active Grant
First Claim
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1. A system for self-checkout within a store, the system having a processor and memory in a computing apparatus that:

  • reads a customer'"'"'s credit card number;

    uses the credit card number to check whether a transaction stored under the credit card number is for a particular store from which the customer claims to have purchased one or more products;

    uses the credit card number to check whether a transaction stored under the credit card number is for a particular amount equal to that of a total price plus any sales tax on items the customer claims to have purchased from the store; and

    uses the credit card number to check for individual products bought by the customer from a particular store in what appears to be in a single visit by the customer to the store; and

    verifies that a total weight of items carried out of the store by the customer for a single visit matches that of what a weight should be for all items that appeared to have been purchased in the single visit when checking individual products using the credit card number.

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