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Method and system for allocating and redeeming incentive credits between a portable device and a base device

  • US 5,806,045 A
  • Filed: 07/08/1996
  • Issued: 09/08/1998
  • Est. Priority Date: 02/04/1994
  • Status: Expired due to Term
First Claim
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1. A method for allocating and redeeming incentive credits, said method comprising the steps of:

  • coupling a customer-carried, portable storage device to a first base device, said storage device having an incentive credit total stored thereon,conducting an off-line transaction between a customer and a first provider using said first base device to derive a first transaction amount;

    deriving an incentive code for said first transaction amount;

    processing said incentive code with a customer incentive code stored in said portable storage device and a program incentive code stored in a provider storage device, to derive an incentive rate;

    applying said incentive rate to said first transaction amount to derive said incentive credit amount;

    incrementing said incentive credit total stored on said storage device by said incentive credit amount to derive a new incentive credit total;

    storing said new incentive credit total onto said storage device;

    coupling said storage device to a second base device;

    conducting a second off-line transaction between the customer and a second provider using said storage device and said second base device to derive a second transaction amount;

    applying, by said second base device, at least a portion of said new incentive credit total to said second transaction to reduce said second transaction amount;

    subtracting the portion of the new incentive credit total applied from said new incentive credit total to derive a reduced incentive credit total; and

    storing said reduced incentive credit total onto said storage device.

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