The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 27, 2024

Filed:

Jun. 08, 2021
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Kosuke Kunitsuka, Tokyo, JP;

Keigo Higashida, Tokyo, JP;

Emi Ito, Yamagata, JP;

Daisuke Urabe, Tokyo, JP;

Yugo Asai, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 17/00 (2006.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 27/30 (2006.01);
U.S. Cl.
CPC ...
H01F 17/045 (2013.01); H01F 27/2828 (2013.01); H01F 27/292 (2013.01); H01F 27/306 (2013.01); H01F 2017/0093 (2013.01);
Abstract

Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires have first to third layer winding portions, a first crossing portion positioned between the first and third layer winding portions, and a second crossing portion positioned between the second and third layer winding portions. The vertical positions of the first and second wires are reversed at least partially between the first and third layer winding portions, and the vertical positions of the first and second wires are reversed at least partially between the second and third layer winding portions.


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