D.C. Power monitor

Details D.C. Power monitor D.C. Power monitor

1981-11-06

1984-02-28

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307296R, 307358, 328150, 340663, H03K 5153, G01R 1702, G01R 19165

Patent

active

044343787

ABSTRACT:
A circuit for monitoring a d.c. voltage level and for generating a signal in the event the level falls below a fixed percentage of a desired level. The circuit utilizes a comparator, the inputs of which are fed by two leg resistive network the resistance values of which are in a ratio substantially equal to the percentage value. A capacitor is connected to the lower resistance value leg and to its input to the comparator. The output of the comparator is connected to one input of a second comparator the other input to which is connected to the capacitor. The output of the second comparator comprises the generated signal.

REFERENCES:
patent: 3911360 (1975-10-01), Kimzey
patent: 4260907 (1981-04-01), Winebarger

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