Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-01-26
1991-03-05
Ruehl, Charles A.
Communications: electrical
Condition responsive indicating system
Specific condition
361 17, 361 91, 361 86, 361 93, 324551, G08B 2100
Patent
active
049980980
ABSTRACT:
An voltage monitoring system including means for providing a voltage from a current and for reducing the voltage. The system also includes means for integrating the current. The integrating means provides an output which increases from an initial condition at a rate proportional to the voltage. The system further includes means for sensing when the output of the integrating means is above a predetermined level and for resetting the integrating means to the initial condition. Additionally, the system includes means for indicating when the output of the integrating means exceeds the predetermined level.
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Jackson J.
Ruehl Charles A.
Schweitzer Engineering Laboratories Inc.
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