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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.

Patent No.:

US 10410787 B1

PDFFull Text
Date of Patent:
Sep. 10, 2019

Filed:

Nov. 01, 2017

Coil module and wireless power transmission device using the same

Applicant:

Wits Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

In Wha Jeong, Suwon-si, KR;

Ki Hong Kim, Suwon-si, KR;

Young Woon Choi, Suwon-si, KR;

Young Seung Roh, Suwon-si, KR;

Assignee:

WITS Co., Ltd., Gyeonggi-do, KR;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Robert L Deberadinis

Int. Cl.
CPC ...
H01F 27/42 (2006.01); H02J 50/12 (2016.01); H02J 7/02 (2016.01); H02M 7/537 (2006.01); H01F 27/28 (2006.01); H01F 3/10 (2006.01); H01F 5/00 (2006.01); H01F 38/14 (2006.01); H02M 7/48 (2007.01);
U.S. Cl.
CPC ...
H01F 27/42 (2013.01); H01F 3/10 (2013.01); H01F 5/003 (2013.01); H01F 27/28 (2013.01); H01F 27/2804 (2013.01); H01F 38/14 (2013.01); H02J 7/025 (2013.01); H02J 50/12 (2016.02); H02M 7/537 (2013.01); H01F 2003/106 (2013.01); H02M 2007/4818 (2013.01); Y02B 70/1441 (2013.01);
Abstract

A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.

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