Common mode choke coil

Details Common mode choke coil Common mode choke coil

2006-03-30

2008-11-04

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C336S200000

Reexamination Certificate

active

07446632

ABSTRACT:
A common mode choke coil has a first coil element and a second coil element. The first coil element is configured of a first coil pattern and a second coil pattern. Each of the first and second coil patterns has two ends and is spiral-shaped therebetween. The spirals of the two patterns are wound in the same direction. The second coil element has a shape identical to the first coil element and includes a third coil pattern corresponding to the first coil pattern and a fourth coil pattern corresponding to the second coil pattern.

REFERENCES:
patent: 6370404 (2002-04-01), Shen
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patent: A 2000-58323 (2000-02-01), None
patent: A-2003-217932 (2003-07-01), None
patent: A-2003-532285 (2003-10-01), None
patent: A-2004-047849 (2004-02-01), None
patent: A 2004-260008 (2004-09-01), None
patent: 2004-304118 (2004-10-01), None
patent: A 2005-26268 (2005-01-01), None
patent: 2005-268603 (2005-09-01), None
patent: WO 01/82317 (2001-11-01), None

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