Failure detecting device

Details Failure detecting device Failure detecting device

2006-04-11

2006-04-11

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C361S115000

Reexamination Certificate

active

07027281

ABSTRACT:
A failure detecting device is provided, which includes the transistor for driving the excitation coil of the relay connected to the battery, the power supply monitors for monitoring an output of the relay, the EEPROM for storing failure presence or absence information, and the microcomputer for writing the failure presence or absence information in the EEPROM at the time of power OFF, reading the failure presence or absence information from the EEPROM at the time of power ON, and judging a failure state based on a voltage value detected by the power supply monitor in the case in which a failure is present.

REFERENCES:
patent: 5448492 (1995-09-01), Kolomyski et al.
patent: 05-310060 (1993-11-01), None
patent: 10-144194 (1998-05-01), None
patent: 2987446 (1999-10-01), None

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