Data processing: measuring – calibrating – or testing – Testing system – Of circuit
Reexamination Certificate
2001-02-08
2008-09-09
Bui, Bryan (Department: 2863)
Data processing: measuring, calibrating, or testing
Testing system
Of circuit
Reexamination Certificate
active
07424383
ABSTRACT:
An abnormality detection device detects an abnormality in a communication bus. The abnormality detection device comprises a timer counter connected to the communication bus so as to measure a time during which a signal having a first logical level is transmitted in the communication bus, and a comparator outputting an abnormality detection signal indicating an abnormality in the communication bus when the time measured by the timer counter surpasses a threshold value.
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Koike Yoshihiko
Nakatsuhama Norihiro
Ozawa Yukihiro
Tago Osamu
Bhat Aditya S.
Bui Bryan
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