Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 27, 2009
Patent Application Number
10436463
Date Filed
May 13, 2003
Patent Primary Examiner
Patent abstract
A communication control system has a plurality of control units that are connected via a communication bus to provide bidirectional communication. A control unit detects a failure when it occurs. Upon failure detection, the control unit generates a failure detection signal which operates a communication signal cutoff means to cut off the communication signal transmission from the control unit. In accordance with the communication signal reception state in a control unit other than the control unit in which the failure is detected, the former control unit identifies a failure occurrence in the latter faulty control unit.
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