Protected software rental using smart cards
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United States of America Patent
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-
Feb 9, 1999
Grant Date -
N/A
app pub date -
Nov 12, 1996
filing date -
May 25, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
System comprising a central processing unit and a dedicated unit. Said dedicated unit receives a communication protection module which controls a sequence controlling module containing a state machine and a cycle counter, a timing module activated by said sequence controlling module and a software protection module also activatable by said sequence controlling module.
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