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Data processing systems

  • US 20050010533A1
  • Filed: 09/16/2002
  • Published: 01/13/2005
  • Est. Priority Date: 09/14/2001
  • Status: Abandoned Application
First Claim
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1. A data processing system for a checkout rebate scheme, comprising:

  • a) transaction means, having;

    checkout memory means arranged to store data relating to a plurality of products for purchase, the data including offer data, if any, for each product;

    checkout processing means arranged to identify ones of the plurality of products and quantities thereof and to calculate a rebate total from the identified product quantities and offer data; and

    receipt generation means, arranged to generate a receipt;

    b) encryption means arranged to encrypt the rebate total to produce encrypted data in the form of a rebate code, the receipt generation means being further arranged such that the generated receipt indicates the rebate code;

    c) validation and decryption means arranged to receive a code, to determine that the code is a valid rebate code, and to decrypt the code, when it has been determined as a valid rebate code, so as to reveal the rebate total; and

    d) rebate application means arranged to receive the rebate total and to authorize the rebate.

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