Communication controller
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United States of America Patent
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-
Aug 10, 1999
Issued Date -
N/A
app pub date -
Jul 18, 1997
filing date -
Oct 28, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A communication controller enables connection between different apparatuses while protecting user's original commands and confidential data. The communication controller has a standardized mode and a user's original mode. By preventing connection with an apparatus which does not have a proper access right in advance, and transmitting data while enciphering the data when the user's original mode is executed, internal information is protected, and the secrecy protection property is not reduced.
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