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:
Apr. 11, 2017
Filed:
Mar. 02, 2012
Applicant:
Yasuhiko Hosokawa, Chuo-ku, JP;
Inventor:
Yasuhiko Hosokawa, Chuo-ku, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/00 (2006.01); H02M 1/34 (2007.01); H02M 7/5387 (2007.01); H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
H02M 1/34 (2013.01); H02M 7/537 (2013.01); H02M 7/5387 (2013.01); H02M 2001/0003 (2013.01); H02M 2001/0058 (2013.01); H02M 2001/346 (2013.01); Y02B 70/1491 (2013.01); Y10T 307/549 (2015.04);
Abstract
When a snubber capacitor is charged to at least a predetermined voltage, a protection circuit renders conductive a clamp diode provided on current paths to complete the charging of the snubber capacitor.