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Versatile interface smart card

  • US 6,151,647 A
  • Filed: 03/26/1998
  • Issued: 11/21/2000
  • Est. Priority Date: 03/26/1998
  • Status: Expired due to Fees
First Claim
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1. A multi-protocol smart card system, comprising:

  • a user card containing a microprocessor and associated memory, and a plurality of contacts for transferring data to and from said microprocessor and memory, said contacts including a first set of contacts respectively associated with a set of signals that conform to a first protocol, and at least one other contact for controlling said microprocessor to operate in accordance with a second protocol; and

    an interface device for receiving said user card, and having;

    a first set of mating contacts which correspond to the first set of contacts in said user card, to transfer said signals that conform to said first protocol,a mode contact that corresponds to said other contact of the user card, anda mode signal generator that provides a signal at said mode contact which causes said microprocessor to operate in accordance with said second protocol mode when the user card is received in said interface device.

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