Smart card system having asynchronous communication with the smart card operating either as master or slave
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United States of America Patent
Stats
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Oct 24, 2006
Grant Date -
May 3, 2001
app pub date -
Nov 30, 2000
filing date -
Jun 30, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A smart card comprises a microcontroller, a memory unit, a storage unit, and a communications unit. The smart card may be connected to a terminal, which is in turn may be connected to a host computer and/or a network. The smart card is configured to initiate communications with the terminal, which enables the smart card to control the terminal, host computer, or network and to access the resources connected to the terminal, host computer, or network. A communications protocol defines the commands that the smart card can send and allows the smart card to communicate using asynchronous or logical asynchronous communication.
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