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:
Sep. 13, 2016
Filed:
Feb. 27, 2014
Applicant:
Panasonic Corporation, Osaka, JP;
Inventor:
Tatsuo Morita, Kyoto, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/08 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H02M 1/08 (2013.01); H02M 3/33523 (2013.01); H03K 17/687 (2013.01); H03K 2017/6878 (2013.01); H03K 2217/0045 (2013.01); H03K 2217/0081 (2013.01);
Abstract
A normally-off bidirectional switch having two gates is connected to a transformer. The transformer has a first winding and a second winding. A first gate bias power supply configured to use power generated at the first winding to supply power for driving one of the gates of the bidirectional switch and a second gate bias power supply configured to use power generated at the second winding to supply power for driving the other gate of the bidirectional switch are provided.