IC memory card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 20, 2000
Grant Date -
N/A
app pub date -
Mar 19, 1997
filing date -
Oct 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An IC memory card having an interface circuit complying with PC card standard and a memory comprises a password check circuit for comparing a password input from an external computer with a predetermined password and one or both of a data decipherment circuit for deciphering enciphered data stored in the memory if the passwords coincide with each other and a data encipherment circuit for enciphering data input from the external computer if the passwords coincide with each other.
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