Common-mode choke coil

Details Common-mode choke coil Common-mode choke coil

2007-08-07

2007-08-07

Mai, Anh (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000

Reexamination Certificate

active

11264032

ABSTRACT:
A common-mode choke coil has first and second coil parts, a first inductance part, and a second inductance part. The first coil part and the second coil part are magnetically coupled to each other. The first inductance part is electrically connected in series to the first coil part and is not substantially magnetically coupled to the first coil part. The second inductance part is electrically connected in series to the second coil part and is not substantially magnetically coupled to the second coil part. The first inductance part and the second inductance part are not substantially magnetically coupled to each other.

REFERENCES:
patent: 6710694 (2004-03-01), Matsuta et al.
patent: 7145427 (2006-12-01), Yoshida et al.
patent: 2004/0263309 (2004-12-01), Ito et al.
patent: 08-203737 (1996-08-01), None
patent: 09-270325 (1997-10-01), None
patent: 2002-373810 (2002-12-01), None
patent: 2003-077727 (2003-03-01), None

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