Current sensors

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation

Reexamination Certificate

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C324S754090, C324S1540PB

Reexamination Certificate

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10433761

ABSTRACT:
A current sensor comprises an outer shielding means (4), a toroidal inner core and inner shield means (1). A combined driving and sensing winding (3) is wound around the inner core. First and second ends of the winding (3) are connectable to a sensor head. The inner shield means (1) has a gap (1A) formed in it.

REFERENCES:
patent: 3582774 (1971-06-01), Forgacs
patent: 4059798 (1977-11-01), Dierker et al.
patent: 4272724 (1981-06-01), Wada et al.
patent: 4799005 (1989-01-01), Fernandes
patent: 4914381 (1990-04-01), Narod
patent: 5057769 (1991-10-01), Edwards
patent: 5349289 (1994-09-01), Shirai
patent: 5493211 (1996-02-01), Baker
patent: 5825175 (1998-10-01), Selcuk
patent: 6232775 (2001-05-01), Naitoh et al.
patent: 6411078 (2002-06-01), Nakagawa et al.

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