Differential-mode-current-sensing method and apparatus

Details Differential-mode-current-sensing method and apparatus Differential-mode-current-sensing method and apparatus

2007-09-28

2010-06-22

Nguyen, Vincent Q (Department: 2831)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of ground fault indication

C324S500000

Reexamination Certificate

active

07741853

ABSTRACT:
Systems, methods, and devices are disclosed, including a ground-fault sensor that has a plurality of conductors each disposed one inside of another except for an outer conductor and a field sensor configured to sense an electric field, a magnetic field, or both. In some embodiments, the field sensor is disposed adjacent the outer conductor.

REFERENCES:
patent: 3996513 (1976-12-01), Butler
patent: 5341281 (1994-08-01), Skibinski
patent: 5446446 (1995-08-01), Harman
patent: 5825190 (1998-10-01), Van Der Laan et al.
patent: 6774618 (2004-08-01), Blakely
U.S. Appl. No. 11/541,623, filed Sep. 29, 2006.
U.S. Appl. No. 11/705,373, filed Feb. 12, 2007.

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