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IC card with keyboard for prestoring transaction data

  • US 5,140,517 A
  • Filed: 06/29/1990
  • Issued: 08/18/1992
  • Est. Priority Date: 03/19/1984
  • Status: Expired due to Term
First Claim
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1. A financial transaction processing system comprising:

  • (a) an integrated circuit card for use in transaction processing, comprising;

    first storing means for storing at least a portion of the data necessary for executing a financial transaction;

    second storing means for containing a program of data processing procedures;

    data entering means for entering at least a portion of the data necessary for execution of said financial transaction into said first storing means;

    third storing means for storing data concerning a preset first effective time period for executing said financial transaction, said first effective time period data being entered into said third storing means by said data entering means in advance of using said integrated circuit card for transaction processing;

    fourth storing means for storing data relating to a variable second effective time period for executing said financial transaction, said variable second effective time period being entered into said fourth storing means by said data entry means;

    data display means for displaying said entered data; and

    data processing means connected to said first storing means for processing said entered data in accordance with said program stored in said second storing means prior to financial transaction processing; and

    (b) terminal means for communicating with said integrated circuit card, comprising;

    data reading means for reading out the data stored in said first storing means;

    means for reading said first effective time period stored in said third storing means and said second effective time period stored in said fourth storing means;

    effective time period detecting means for detecting if the time when said financial transaction is performed is within said preset first effective time period and said variable second effective time period;

    said data reading means being responsive to the output of said effective time period detecting means for reading the data stored in said first storing means; and

    transaction processing means for executing said financial transaction using said read data to complete a financial transaction processing.

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