Information transmission method and apparatus
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United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Sep 16, 1998
filing date -
Sep 18, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides an information transmission apparatus and method for an information transmission system where encrypted information comprised of a plurality of information units each hierarchically encrypted and multiplexed to each other is communicated between at least two parties, wherein the information is being encrypted for transmission. The information transmission system is constructed by a transmitting unit and a receiving unit.
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