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. 18, 2020
Filed:
Jan. 10, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masayuki Sakai, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 3/335 (2006.01); G03G 15/00 (2006.01); G01K 7/22 (2006.01); H01C 7/00 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); G01K 7/22 (2013.01); G03G 15/80 (2013.01); H01C 7/008 (2013.01); H02M 3/33523 (2013.01); H02M 2001/0032 (2013.01); H02M 2001/327 (2013.01);
Abstract
The power supply apparatus includes a circuit board on which mounted are a transformer, a switching element connected in series with a primary winding of the transformer, a rectification element connected with a secondary winding of the transformer, a detection unit detecting a temperature of the rectification element when the transformer is supplied with power by a switching operation of the switching element, and a resistance element connected in parallel with the rectification element. The resistance element is mounted at a predetermined mounting section among a plurality of mounting sections on the circuit board.