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IC card automated transaction terminal and IC used therein

  • US 6,634,549 B1
  • Filed: 10/12/1999
  • Issued: 10/21/2003
  • Est. Priority Date: 11/21/1995
  • Status: Expired due to Term
First Claim
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1. An IC card, for performing a commercial transaction by inserting said IC card into a terminal, comprising:

  • a storage area for storing a plurality of balances of points given by a plurality of shops; and

    a processor which updates said balances of points according to an instruction from said terminal;

    wherein said storage area stores a plurality of shop numbers to identify each shop, and said processor updates a balance of points corresponding to a shop number; and

    wherein said storage area stores a level of service with said shop number.

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