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    • 4. 发明授权
    • Semiconductor device generating varied internal voltages
    • 产生不同内部电压的半导体器件
    • US08749299B2
    • 2014-06-10
    • US12205975
    • 2008-09-08
    • Dong Hoon HanWoo Young Lee
    • Dong Hoon HanWoo Young Lee
    • G05F1/10H02M3/07
    • H02M3/073G05F1/465
    • The present invention describes a semiconductor device that generates internal voltages having different levels using an external voltage. The semiconductor device includes a plurality of asynchronous internal voltage generating circuits that share an external voltage source and generate internal voltages having different levels from one another. The plurality of asynchronous internal voltage generating circuits maintain the levels of the internal voltages at target levels by using the external voltage at different time points, respectively. The semiconductor device minimizes noise in the external voltage according to the use of the internal voltages.
    • 本发明描述了使用外部电压产生具有不同电平的内部电压的半导体器件。 半导体器件包括多个异步内部电压产生电路,其共享外部电压源并产生彼此具有不同电平的内部电压。 多个异步内部电压产生电路通过分别在不同时间点使用外部电压来将内部电压的电平分别保持在目标电平。 根据内部电压的使用,半导体器件使外部电压的噪声最小化。
    • 8. 发明申请
    • Image forming apparatus and velocity control method of rotating body thereof
    • 图像形成装置及其旋转体的速度控制方法
    • US20120087696A1
    • 2012-04-12
    • US13200344
    • 2011-09-23
    • Hyun-Ki ChoSung-Dae KimJong-Tae KimDong-Hoon Han
    • Hyun-Ki ChoSung-Dae KimJong-Tae KimDong-Hoon Han
    • G03G15/00G03G13/00
    • G03G15/757G03G15/0194G03G2215/00075
    • An image forming apparatus is configured to reduce a velocity fluctuation of a rotating body by reducing the AC velocity component of the rotating body. The image forming apparatus may include an image bearing body with a surface on which a toner image is formed; a driving motor configured to drive the image bearing body according to an input signal; and a controller configured to control the driving motor to output a motor output velocity at a period equal to that of an AC velocity component of the image bearing body. A velocity control method for the rotating body includes sampling a continuous motor input signal at a period equal to that of an AC velocity component of a rotating velocity of the rotating body. The sampled signal is transmitted to a driving motor that drives the rotating body, which is driven based upon the discrete motor input signal.
    • 图像形成装置被配置为通过减小旋转体的AC速度分量来减小旋转体的速度波动。 图像形成装置可以包括具有其上形成有调色剂图像的表面的图像承载体; 驱动电动机,被配置为根据输入信号驱动图像承载体; 以及控制器,被配置为控制所述驱动电动机以与所述图像承载体的交流速度分量的周期相等的周期输出电动机输出速度。 用于旋转体的速度控制方法包括以与旋转体的旋转速度的交流速度分量相等的周期对连续的电动机输入信号进行采样。 采样信号被传送到驱动电动机,该驱动电动机基于分立的电动机输入信号被驱动。
    • 10. 发明申请
    • IMAGE FORMING APPARATUS AND VELOCITY CONTROL METHOD OF ROTATING BODY THEREOF
    • 图像形成装置和旋转体的速度控制方法
    • US20100104321A1
    • 2010-04-29
    • US12575106
    • 2009-10-07
    • Hyun-Ki ChoSung-Dae KimJong-Tae KimDong-Hoon Han
    • Hyun-Ki ChoSung-Dae KimJong-Tae KimDong-Hoon Han
    • G03G15/00H02K29/00
    • G03G15/757G03G15/0194G03G2215/00075
    • An image forming apparatus is configured to reduce a velocity fluctuation of a rotating body by reducing the AC velocity component of the rotating body. The image forming apparatus may include an image bearing body with a surface on which a toner image is formed; a driving motor configured to drive the image bearing body according to an input signal; and a controller configured to control the driving motor to output a motor output velocity at a period equal to that of an AC velocity component of the image bearing body. A velocity control method for the rotating body includes sampling a continuous motor input signal at a period equal to that of an AC velocity component of a rotating velocity of the rotating body. The sampled signal is transmitted to a driving motor that drives the rotating body, which is driven based upon the discrete motor input signal.
    • 图像形成装置被配置为通过减小旋转体的AC速度分量来减小旋转体的速度波动。 图像形成装置可以包括具有其上形成有调色剂图像的表面的图像承载体; 驱动电动机,被配置为根据输入信号驱动图像承载体; 以及控制器,被配置为控制所述驱动电动机以与所述图像承载体的交流速度分量的周期相等的周期输出电动机输出速度。 用于旋转体的速度控制方法包括以与旋转体的旋转速度的交流速度分量相等的周期对连续的电动机输入信号进行采样。 采样信号被传送到驱动电动机,该驱动电动机基于分立的电动机输入信号被驱动。