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Credit card system and method of issuing credit card using such a system

  • US 5,569,897 A
  • Filed: 01/19/1995
  • Issued: 10/29/1996
  • Est. Priority Date: 01/26/1994
  • Status: Expired due to Term
First Claim
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1. A credit card system comprising:

  • a card having first identification information encoded thereon;

    a card reader configured to read the first identification information from the card;

    an input device configured to supply second identification information and a first check code; and

    a processor connected to the card reader and the input device and configured to generate a second check code based on the first identification information read from the card by the card reader and the second identification information supplied by the input device, to compare the first check code to the second check code, and to indicate whether the first and second check codes are identical.

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