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.:
Date of Patent:
Nov. 05, 2019
Filed:
Mar. 06, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Shun Kusuda, Osaka, JP;
Assignee:
Panasonic Intellectual Management Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 23/02 (2006.01); F21V 15/01 (2006.01); F21V 17/08 (2006.01); H05B 33/08 (2006.01); H05K 1/02 (2006.01); H05B 37/02 (2006.01); F21Y 115/10 (2016.01); F21V 7/28 (2018.01); F21V 3/00 (2015.01); F21V 7/04 (2006.01); F21W 131/10 (2006.01); H05K 1/11 (2006.01); H05K 1/18 (2006.01);
U.S. Cl.
CPC ...
F21V 23/02 (2013.01); F21V 15/01 (2013.01); F21V 17/08 (2013.01); H05B 33/0815 (2013.01); H05B 37/02 (2013.01); H05K 1/0233 (2013.01); F21V 3/00 (2013.01); F21V 7/041 (2013.01); F21V 7/28 (2018.02); F21W 2131/10 (2013.01); F21Y 2115/10 (2016.08); H05K 1/115 (2013.01); H05K 1/181 (2013.01); H05K 2201/09027 (2013.01); H05K 2201/09063 (2013.01); H05K 2201/1003 (2013.01); H05K 2201/10015 (2013.01); H05K 2201/10106 (2013.01); H05K 2201/10166 (2013.01); H05K 2201/10522 (2013.01);
Abstract
A circuit board includes: an inductor and a control IC which are included in a switching power supply circuit; and a substrate having a first face, a second face on a reverse side of the first face, and an opening in a center portion of the substrate. The inductor is disposed on the first face, the control IC is disposed on the second face, and at least part of the inductor overlaps with at least part of the control IC when viewed from a direction perpendicular to the first face.