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. 09, 2021
Filed:
May. 07, 2020
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Mitsuhide Murofushi, Tagata-gun, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33523 (2013.01); G03G 15/80 (2013.01);
Abstract
The power supply apparatus includes a rectifying and smoothing unit configured to rectify and smooth an AC voltage of an AC power supply, a transformer having a primary winding, first and second secondary windings, a detecting unit connected to the second secondary winding, the detecting unit configured to detect a second voltage according to a voltage output from the rectifying and smoothing unit, and a first control unit configured to control a state of the load based on a result detected by the detecting unit.