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:
May. 04, 2021

Filed:

Jan. 22, 2018
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Yuma Komaya, Tokyo, JP;

Miki Kusakabe, Yamagata, JP;

Tomokazu Tsuchiya, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H02K 3/00 (2006.01); H01F 27/29 (2006.01); H01F 17/04 (2006.01); H01F 17/00 (2006.01); H01F 3/10 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2823 (2013.01); H01F 17/04 (2013.01); H01F 17/045 (2013.01); H01F 27/2828 (2013.01); H01F 27/292 (2013.01); H02K 3/00 (2013.01); H01F 3/10 (2013.01); H01F 2017/0093 (2013.01);
Abstract

Disclosed herein is a common mode filter that includes a winding core part including a first winding area positioned at one end side in an axial direction, a second winding area positioned at other end side in the axial direction, and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first wire is aligned and wound in the first and second winding areas, and the second wire is wound on the first wire in the first and second winding areas. The first and second wires cross each other in the third winding area and are separated at least partially in the third winding area.


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