Communication network for an automobile
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United States of America Patent
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-
Mar 8, 2005
Grant Date -
May 1, 2003
app pub date -
Oct 23, 2002
filing date -
Oct 29, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A 'segmented' CAN bus is provided that extends the cabling scheme of a CAN network to permit isolation of individual nodes of identical type when needed and the ability for a host to determine the network topology. In addition, the CAN bus cabling scheme automatically assigns unique addresses to nodes and guarantees that the network will always be properly terminated. This eliminates the need for jumpers, DIP switches, pre-installation programming, or other hardware requiring human intervention to uniquely identify the nodes on the network. Furthermore, because the physical node topology is determinable, equipment installation and anomaly diagnostics are facilitated.
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