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:
Mar. 08, 2016
Filed:
Mar. 02, 2012
Applicants:
Yasuhiko Hosokawa, Chuo-ku, JP;
Toshifumi Ise, Suita, JP;
Shinsuke Kadoi, Suita, JP;
Inventors:
Assignees:
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION, Tokyo, JP;
OSAKA UNIVERSITY, Suita-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02H 7/122 (2006.01); H02M 1/34 (2007.01); H02M 7/5387 (2007.01); H02M 7/539 (2006.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
H02M 1/34 (2013.01); H02M 7/539 (2013.01); H02M 7/5387 (2013.01); H02M 2001/0058 (2013.01); H02M 2001/346 (2013.01); Y02B 70/1491 (2013.01);
Abstract
When a snubber capacitor is charged to a level greater than or equal to a predetermined voltage, a protection circuit renders a clamp diode conductive to complete charging of the snubber capacitor.