发明授权
- 专利标题： Image forming apparatus, motor control apparatus, and method of controlling a motor
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申请号： US14177433申请日： 2014-02-11
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公开(公告)号： US10171017B2公开(公告)日： 2019-01-01
- 发明人: Yong-ho You , Hak-young Kim , Ji-young Byun , Sang-hyuk Jung , Ho-bin Hwang
- 申请人： S-PRINTING SOLUTION CO., LTD.
- 申请人地址： KR Suwon-si
- 专利权人： HP PRINTING KOREA CO., LTD.
- 当前专利权人： HP PRINTING KOREA CO., LTD.
- 当前专利权人地址： KR Suwon-si
- 代理机构： Staas & Halsey LLP
- 优先权： KR10-2013-0062155 20130530
- 主分类号： H02P27/08
- IPC分类号： H02P27/08 ; H02P6/12 ; H02P6/14 ; H02P8/38 ; H02P8/12
摘要：
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.
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