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. 23, 2016
Filed:
Mar. 02, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Akira Tatsuzue, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The power supply apparatus includes a transformer that generates an AC voltage; a driving unit that drives a primary side of the transformer to set an output on a secondary side of the transformer to a predetermined value; a rectifying and smoothing unit connected to one end on the secondary side and adapted to rectify and smooth the AC voltage and output a DC voltage of a positive potential; a voltage generation unit connected to another end on the secondary side and adapted to generate a DC voltage to be superposed with the AC voltage; a control unit connected to the rectifying and smoothing unit and the voltage generation unit and adapted to control a current value according to the DC voltage output by the rectifying and smoothing unit and control the DC voltage generated by the voltage generation unit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile