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System for securely exchanging data with smart cards

  • US 5,923,759 A
  • Filed: 10/15/1997
  • Issued: 07/13/1999
  • Est. Priority Date: 04/20/1995
  • Status: Expired due to Term
First Claim
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1. A system for controlling requests from portable electronic cards of differing in-card electronic processing capabilities, and including a central processing module, associated memory, and an operating system, comprising:

  • a plurality of card units into which data cards and cards having internal data processing may be inserted;

    security module means, directly connected to said plurality of card units, for authenticating cards inserted into the plurality of card units and for securely exchanging data with the authenticated cards; and

    means, separate from the security module means, for processing data received from the security module in accordance with an application program.

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