Voltage detector

Details Voltage detector Voltage detector

1980-01-31

1982-06-22

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307354, 307363, 1791752C, H03K 5153

Patent

active

043364675

ABSTRACT:
A direct current voltage detector is disclosed including a low-pass filter, an isolating diode and a threshold detector. The circuit is designed to be simple and inexpensive and causes no interference with foreign potential and leakage tests on a telephone line.

REFERENCES:
patent: 3378781 (1968-04-01), Hill
patent: 3505537 (1970-04-01), Giordano
patent: 3678295 (1972-07-01), Heneghan

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