Versatile interface smart card

Details Versatile interface smart card Versatile interface smart card

1998-03-26

2000-11-21

Etienne, Ario

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

710 11, 710102, 710104, 710105, G06F 1300

Patent

active

061516473

ABSTRACT:
A smart card that is compatible with multiple different protocols includes a standard set of contacts that comply with the protocols of a published standard, and another contact not designated by the standard which is used to indicate whether the card is to operate in a non-standard mode. When the card is to operate in the non-standard mode, a simple start-up procedure is employed which does not require strict timing constraints, enabling a less expensive interface device to be used. The interface device can be connected to any bus of a computer which operates in accordance with a desired non-standard protocol. Due to the flexibility and functionality offered by smart cards that have microprocessors incorporated therein, the multi-protocol smart card can be used to drive, or otherwise communicate with, any of a variety of peripheral devices, whether or not a personal computer is present in the system.

REFERENCES:
patent: 5581708 (1996-12-01), Iijima
patent: 5594233 (1997-01-01), Kenneth et al.
patent: 5613159 (1997-03-01), Colnot
patent: 5638530 (1997-06-01), Pawate et al.
patent: 5679945 (1997-10-01), Renner et al.
patent: 5721781 (1998-02-01), Deo et al.
patent: 5832240 (1998-11-01), Larsen et al.

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