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:
Jan. 01, 2019
Filed:
Feb. 11, 2014
S-printing Solution Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Yong-ho You, Seoul, KR;
Hak-young Kim, Seoul, KR;
Ji-young Byun, Suwon-si, KR;
Sang-hyuk Jung, Hwaseong-si, KR;
Ho-bin Hwang, Hwaseong-si, KR;
HP PRINTING KOREA CO., LTD., Suwon-si, KR;
Abstract
An image forming apparatus may include an engine portion used to perform an image forming job, a step motor configured to start the engine portion, a driver including a resistor that measures current that flows to a coil of the step motor and is configured to provide a predetermined constant current to the step motor, and a drive controller configured to measure a load level of the step motor based on a voltage value of the resistor and to control the driver to provide the constant current that corresponds to the measured load level.