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Method and apparatus for controlling the performance of a supplementary process at a point of sale terminal

  • US 7,717,784 B2
  • Filed: 11/05/2007
  • Issued: 05/18/2010
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Fees
First Claim
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1. A method for controlling performance of a supplementary process at a point-of-sale terminal, comprising:

  • receiving an override signal; and

    if the override signal indicates performance of a supplementary process,determining, by a point-of-sale terminal, an upsell in dependence on a purchase,determining, by the point-of-sale terminal, an upsell price in dependence on the purchase,offering to exchange the upsell price for the upsell,in which the upsell comprises an entry in a lottery in which a prize for winning the lottery is proportional to the upsell price, andoutputting the entry.

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