Electromechanical device drive circuit fault detection apparatus
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United States of America Patent
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Oct 25, 1983
Grant Date -
N/A
app pub date -
Feb 4, 1981
filing date -
Feb 4, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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