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:
May. 17, 2016
Filed:
Mar. 26, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Jun Hirabayashi, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); G03G 15/00 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33523 (2013.01); G03G 15/5004 (2013.01); G03G 15/80 (2013.01); H02M 2001/0035 (2013.01); Y02B 70/16 (2013.01);
Abstract
The power supply apparatus includes a transformer having a primary side and a secondary side insulated from each other, a switch element for switching current flowing in the primary side of the transformer, a control part configured to control an operation of the switch element, and two feedback parts configured to detect an output voltage from the transformer so as to output, to the control part, a detection signal in accordance with the output voltage for feedback to the primary side of the transformer.