Multiplex transmission apparatus
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United States of America Patent
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May 27, 1997
Grant Date -
N/A
app pub date -
Jul 18, 1994
filing date -
Jul 19, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
When it is detected that the state of an electrical component connected to a communication node has not changed in the OFF state of an ignition key switch, it is determined that a vehicle equipped with the multiplex transmission apparatus is in a parking state, and the communication node is forcibly shifted to a sleep state, thereby preventing consumption of battery power due to a dark current supplied to the communication node in the sleep state.
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