GFI Sensor circuit

Details GFI Sensor circuit GFI Sensor circuit

1979-08-02

1981-05-19

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

H02H 328

Patent

active

042688850

ABSTRACT:
In an electronic module for a ground fault interrupter the portion that amplifies a sensed ground fault signal is in the form of a series of cascaded CMOS inverter stages. The electronic module also includes an additional CMOS inverter providing a balanced input to the amplifier to aid in preventing operation of the ground fault interrupter during the turn-on period of operation.

REFERENCES:
patent: 3878435 (1975-04-01), Van Zeeland et al.
patent: 3936699 (1976-02-01), Adams
patent: 4024436 (1977-05-01), Adams

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