Electromechanical device drive circuit fault detection apparatus

Details Electromechanical device drive circuit fault detection apparatus Electromechanical device drive circuit fault detection apparatus

1981-02-04

1983-10-25

Atkinson, Charles E.

Excavating

324 73R, 340515, 431 24, 371 15, G06F 1100

Patent

active

044123280

ABSTRACT:
Apparatus is disclosed for verifying the proper operation of a drive circuit (43) which controls the application of power to an electromechanical device, e.g., a manually reset circuit breaker (36). The apparatus includes means (60) for applying a control signal to the drive circuit to cause it to briefly apply power to the electromechanical device, where the interval of time over which power is applied is too brief to cause actuation of the device. Means (64) are also provided for sensing the power applied to the device to verify that the drive circuit has properly responded to the control signal.

REFERENCES:
patent: 3604906 (1971-09-01), Hunter
patent: 3633016 (1972-01-01), Walker
patent: 3648233 (1972-03-01), Clark
patent: 3806202 (1974-01-01), Ochiai
patent: 3954383 (1976-05-01), Bryant
patent: 4118688 (1978-10-01), Glennon
patent: 4298334 (1981-11-01), Clark et al.
patent: 4317412 (1982-03-01), Bolcavage et al.

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