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. 30, 2016
Filed:
Dec. 19, 2013
Samsung Electronics Co., Ltd, Suwon-si, Gyeonggi-do, KR;
Sung-kyu Choi, Pyeongtaek-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
Abstract
An image forming apparatus includes an image forming unit, a power supply configured to receive and convert an alternating current (AC) voltage into at least one direct current (DC) voltage, and output the same, a DC-DC converter configured to convert the at least one DC voltage into a driving voltage at a predetermined level, and a controller configured to be activated by the driving voltage, and control the power supply to turn on the image forming unit by supplying a first DC voltage to the image forming unit, and after the image forming unit has been turned on, supplying a second DC voltage at a higher level than a level of the first DC voltage to the image forming unit.