Common mode filter

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United States of America Patent

PATENT NO 9362041
APP PUB NO 20140097928A1
SERIAL NO

14045393

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Disclosed herein is a common mode filter that comprises a drum core including a winding core portion and a pair of flange portions provided at both ends of the winding core portion, and first and second wires wound around the winding core portion so as to form a pair-wire for each turn. The first and second wires includes one or a plurality of sparsely-wound portions in which the first and second wires are wound with adjacent pair-wires spaced from each other, and one or a plurality of closely-wound portions in which the first and second wires are wound with adjacent pair-wires in close contact with each other.

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Patent Owner(s)

  • TDK CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arimitsu, Kazunori Tokyo, JP 28 135
Kobayashi, Tsutomu Tokyo, JP 125 941
Tomonari, Toshio Tokyo, JP 85 512

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