Vehicular communication system for communicating information among electronic devices installed in vehicle
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United States of America Patent
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Sep 30, 2003
Grant Date -
Jan 23, 2003
app pub date -
Jul 8, 2002
filing date -
Jul 18, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vehicular communication system communicates information among a plurality of ECUs installed in a vehicle. The communication system includes a plurality of transceiver circuits for communicating information, and each transceiver circuit is provided in an associated one of the ECUs. The transceiver circuits are divided into groups of transceiver circuits. Each transceiver circuit of a given group communicates with the transceiver circuits of the same group using one of a predetermined communication frequency and a predetermined code, which is allocated to the given group and is different from that of any other group.
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