Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-12-06
2010-11-02
Bugg, George A (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C320S116000
Reexamination Certificate
active
07825799
ABSTRACT:
An object of the invention is to render replacement of controllers for identifying failure information unnecessary. Failure monitor units24and26in power supplies10and12are connected mutually via paths38and40, the failure monitor units24and26in the power supplies10and12are connected to failure monitor units30and32in controllers14and16via paths34and36, and LEDs1and2are connected to paths34and36. The failure monitor unit24transfers, when a failure occurs in the power supply10, failure information to the failure monitor unit26in the power supply12via the path38. The LED1is lit by both the failure monitor units24and26. The failure monitor units24and26transfer failure information indicating failure occurrence in the power supply10to the failure monitor units30and32in controllers14and16via a path34. The failure monitor units30and32notify a maintenance PC of the failure occurrence in the power supply10.
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Takahashi Hideaki
Yamagata Manabu
Bugg George A
Hitachi , Ltd.
Hitachi America, Ltd.
Labbees Edny
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