AC MAINS ELECTRICAL SAFETY DEVICE Russian patent published in 1997 - IPC

Abstract RU 2097894 C1

FIELD: electrical engineering; automatic electrical safety devices for personnel. SUBSTANCE: newly introduced are resistors 9-11 and second voltage regulator diode 12 connected so that output of rectifier bridge 7 becomes connected via first resistor 9 to coil of output relay 4 and via second resistor 10, to base of transistor 3. EFFECT: improved noise immunity of device. 2 cl, 1 dwg

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RU 2 097 894 C1

Authors

Slobodkin Adol'F Khodosovich

Ivanov Lev Alekseevich

Dates

1997-11-27—Published

1994-11-11—Filed