Communication anomaly detecting device, and passenger...

Details Communication anomaly detecting device, and passenger... Communication anomaly detecting device, and passenger...

2005-07-27

2009-10-20

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S573100, C340S667000

Reexamination Certificate

active

07605711

ABSTRACT:
An information request portion receives an information request signal transmitted to an information response portion at its own receiving port. The information request portion comprises at least either of a power supply system anomaly determination portion or a ground anomaly determination portion. The power supply system anomaly determination portion determines a short-circuit between a signal line and a power supply system in a case where the information request signal received at the receiving port is always fixed to a H (high) level. The ground anomaly determination portion determines a short-circuit between a signal line and a ground in a case where the information request signal received at the receiving port is always fixed to a L (Low) level. Consequently, the anomaly region of the signal line connecting the information request portion and the information response portion in such a manner that bidirectional digital communications are possible or the cause of the anomaly is specified.

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English language version of International Preliminary Report on Patentability dated Jan. 30, 2007.
International Search Report dated Nov. 1, 2005.

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