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IC card system

  • US 4,727,244 A
  • Filed: 07/10/1986
  • Issued: 02/23/1988
  • Est. Priority Date: 07/16/1985
  • Status: Expired due to Term
First Claim
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1. An IC card system having an IC card and a card terminal used in combination with the IC card, comprising:

  • first data storing means for storing data representing the capability of the hardware of the IC card per se;

    means for electrically connecting the IC card to the card terminal;

    means for sending an initializing signal to the IC card responsive to the insertion of the IC card to the card terminal;

    means for sending said data as stored in the IC card to the card terminal, in response to the initializing signal from the card terminal;

    second data storing means for storing the data as sent from the IC card in the card terminal; and

    means for variably setting the internal operating conditions of the card terminal corresponding to the data stored therein.

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