Error detection/correction and fault detection/recovery – Pulse or data error handling – Transmission facility testing
Reexamination Certificate
2003-05-13
2009-10-27
Tabone, Jr., John J. (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Transmission facility testing
C714S022000, C714S023000, C714S721000
Reexamination Certificate
active
07610521
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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Kuramochi Yuichi
Manaka Toshio
Saito Hiroyuki
Yoshida Tatsuya
Crowell & Moring LLP
Hitachi , Ltd.
Tabone, Jr. John J.
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