Ground fault circuit interrupter with enhanced radio...

Details Ground fault circuit interrupter with enhanced radio... Ground fault circuit interrupter with enhanced radio...

2008-05-20

2008-05-20

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

Reexamination Certificate

active

11095581

ABSTRACT:
A ground fault circuit interrupter device having a feedthrough capacitor for substantially reducing interference from radio frequency signals such as those emitted from cell phones and 2-way radios. The ground fault circuit interrupter device includes a printed circuit board having a system ground terminal and a detection terminal for receiving a fault detection signal. A chip is provided having a ground pin connected to the system ground terminal and an input pin for receiving the fault detection signal. The feedthrough capacitor has a through conductor connected between the input pin and the detection terminal and a capacitor coupled between the through conductor and the system ground terminal.

REFERENCES:
patent: 3845403 (1974-10-01), Heckman, Jr.
patent: 3961263 (1976-06-01), George
patent: 3989988 (1976-11-01), Puetz et al.
patent: 4148003 (1979-04-01), Colburn et al.
patent: 5969921 (1999-10-01), Wafer et al.
patent: 6424234 (2002-07-01), Stevenson
patent: 2002/0181175 (2002-12-01), Baldwin
patent: 2003/0081370 (2003-05-01), Haskell et al.

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