Abnormality diagnosis apparatus for automatic activation...

Details Abnormality diagnosis apparatus for automatic activation... Abnormality diagnosis apparatus for automatic activation...

2006-11-14

2006-11-14

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C324S379000

Reexamination Certificate

active

07136780

ABSTRACT:
An abnormality diagnosis apparatus for determining whether abnormality relating to execution of automatic activation has occurred in a timer circuit. An electronic control unit includes a microcomputer for storing a history of execution of automatic activation of a device by a soak timer circuit. The microcomputer determines that an abnormality relating to execution of automatic activation has occurred in the soak timer circuit if an elapsed time measurement and the history stored by the microcomputer do not correspond with each other when a switch is operated to activate the device.

REFERENCES:
patent: 6531872 (2003-03-01), Carr et al.
patent: 2003/0217123 (2003-11-01), Anderson et al.
patent: 2000-329874 (2000-11-01), None
patent: 329874 (2000-11-01), None
patent: 2001-008384 (2001-01-01), None
patent: 008384 (2001-01-01), None

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