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:
Jan. 03, 2017
Filed:
Apr. 01, 2014
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Raghunath Bellala, Fukushima, JP;
Noritoshi Imamura, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/56 (2006.01); H02J 1/00 (2006.01); H03K 17/082 (2006.01); H03K 17/10 (2006.01);
U.S. Cl.
CPC ...
H02J 1/00 (2013.01); G05F 1/56 (2013.01); H03K 17/0828 (2013.01); H03K 17/107 (2013.01);
Abstract
There is provided a power supply circuit including a first series regulator including a first semiconductor element and a first constant voltage source, and a second series regulator including a second semiconductor element and a second constant voltage source, wherein the first series regulator and the second series regulator are cascaded and an input voltage to the first series regulator is a high voltage equal to or greater than 500 V.