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:
Aug. 10, 2021
Filed:
Sep. 30, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Minoru Hayasaki, Mishima, JP;
Kazuki Soneta, Kashiwa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33592 (2013.01); H02M 3/33569 (2013.01); H02M 2001/0009 (2013.01); H02M 2001/0038 (2013.01); H02M 2001/0058 (2013.01);
Abstract
The power supply apparatus of a synchronous rectification systems includes a current detection unit configured to detect a current for charging a secondary-side smoothing element, and a driving unit configured to drive a rectification unit based on a detection result by the current detection unit.