Electronic controller with fault diagnosing function

Details Electronic controller with fault diagnosing function Electronic controller with fault diagnosing function

1996-08-22

1999-04-27

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

701 76, 30312204, B60T 860

Patent

active

058975969

ABSTRACT:
An electronic controller includes an internal power stabilizing circuit which supplies stabilized power to drive circuits and a fail-safe relay drive circuit all built within the controller, a monitoring unit which monitors the operational states of the circuits in the controller based on the state of power output of the power stabilizing circuit, and a drive unit which drives the fail-safe relay drive circuit in response to the detection by the monitoring unit of a predetermined output state of the power stabilizing circuit indicative of the occurrence of abnormality in at least one of the circuits including the drive circuits within the controller.

REFERENCES:
patent: 4259659 (1981-03-01), Ariyoshi et al.
patent: 4597052 (1986-06-01), Matsuda
patent: 4701854 (1987-10-01), Matsuda
patent: 4707758 (1987-11-01), Matsuda
patent: 5021955 (1991-06-01), Ito et al.
patent: 5190009 (1993-03-01), Kadota
patent: 5372410 (1994-12-01), Miller et al.
patent: 5648759 (1997-07-01), Miller et al.

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