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:
Jan. 30, 2015
Dc/dc converter and an image forming apparatus to which a power is supplied from the dc/dc converter
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Shinichiro Matsumoto, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); H02M 3/156 (2006.01); G03G 15/00 (2006.01); H02M 3/158 (2006.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); G03G 15/80 (2013.01); H02M 3/158 (2013.01); H02M 2001/0025 (2013.01);
Abstract
The power supply apparatus includes a switching element, a voltage output unit configured to generate a DC voltage by a switching operation of the switching element and output the generated DC voltage, a voltage correction unit configured to detect the output voltage and correct the detected voltage, a control unit configured to control operation of the switching element based on the corrected voltage and a threshold voltage, and a voltage increasing unit configured to increase a correction amount by the correction unit based on the operation of the switching element.