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. 05, 2016
Filed:
Aug. 01, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Jun Hirabayashi, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/44 (2007.01); H02M 3/338 (2006.01); H02M 3/335 (2006.01); H02M 1/36 (2007.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
H02M 3/3385 (2013.01); H02M 1/44 (2013.01); H02M 3/33507 (2013.01); H02M 1/36 (2013.01); H02M 2001/0032 (2013.01); Y02B 70/16 (2013.01);
Abstract
The power supply apparatus includes a switch element for turning ON and OFF supply of electric power to a primary winding of a transformer; a determining unit connected to an auxiliary winding of the transformer, for determining an ON-time of the switch element; and a switching unit for switching the ON-time determined by the determining unit.