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:
Feb. 19, 2019
Filed:
Dec. 01, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Jun Kawakatsu, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 1/08 (2006.01); G03G 15/00 (2006.01); H02M 3/335 (2006.01); H02M 3/158 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/08 (2013.01); G03G 15/80 (2013.01); H02M 3/158 (2013.01); H02M 3/33546 (2013.01); H02M 3/33569 (2013.01); H02M 2001/007 (2013.01); H02M 2001/0032 (2013.01);
Abstract
A power supply device includes a switching unit configured to switch to a first path in which a current smoothed by a smoothing unit is supplied to a boost converter and to a second path in which the smoothed current is supplied to a load without passing through the boost converter. The switching unit includes a first switching element to be turned on and a second switching element to be turned off when the first path is formed.