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公开(公告)号：US20170160557A1
公开(公告)日：2017-06-08
申请号：US15210046
申请日：2016-07-14
发明人： Je Hyun BANG , Byung Gi AN , Hoon HEO , Shin Young CHEONG
CPC分类号： G02B27/646 , G03B5/00 , G03B13/36 , G03B2205/0069
摘要： An actuator and a camera module including the same are provided. The actuator driving apparatus includes a detector configured to apply a reference signal to a driving coil of an actuator and detect a coil current flowing in the driving coil, a calculator configured to determine a position of a lens carrier based on the coil current, and a driver configured to drive the actuator based on the position of the lens carrier and a position control signal.
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公开(公告)号：US20140009021A1
公开(公告)日：2014-01-09
申请号：US13917244
申请日：2013-06-13
发明人： Shin Young CHEONG , Jung Hwan SONG , Heung Suk GO
IPC分类号： H02K5/16
CPC分类号： H02K5/165 , F16C17/107 , F16C33/745 , F16C2370/12 , H02K5/1677
摘要： There is provided a spindle motor including: a base member; a shaft fixed to the base member and including a lower thrust member disposed on a lower end portion thereof and an upper flange member disposed on an upper end portion thereof; and a rotating part forming, together with the upper flange member, the lower thrust member, and the shaft, bearing clearances filled with a lubricating fluid, and rotated around the shaft, wherein the lower thrust member includes amounting part on which a stator core is mounted, and at least one of a surface of the lower thrust member disposed to face a surface of the rotating part and the surface of the rotating part includes a lower thrust dynamic pressure generating groove formed therein.
摘要翻译： 提供了一种主轴电动机，包括：基座部件; 固定在所述基座构件上的轴，其具有设置在其下端部的下推力构件和设置在其上端部的上凸缘构件; 以及旋转部件，与所述上凸缘部件，所述下推力部件和所述轴一起形成有填充有润滑流体并且围绕所述轴旋转的轴承间隙，其中所述下推力部件包括定子芯体 并且所述下推力构件的面向所述旋转部的表面和所述旋转部的表面的表面中的至少一个包括形成在其中的下推力动压生成槽。
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公开(公告)号：US20150346453A1
公开(公告)日：2015-12-03
申请号：US14715748
申请日：2015-05-19
发明人： Shin Young CHEONG , Jung Seok LEE , Jae Ho BAIK , Hoon HEO , Po Chul KIM , Yoo Chang KIM
CPC分类号： G02B7/08 , H04N5/2254 , H04N5/2257 , H04N5/23212
摘要： A camera module includes a lens barrel, a housing accommodating the lens barrel therein, a ball bearing contacting rolling surfaces, which are respectively provided on the lens barrel and the housing, and a semi-wet lubricant applied to a surface of the ball bearing.
摘要翻译： 相机模块包括镜筒，容纳其中的镜筒的壳体，分别设置在镜筒和壳体上的与滚动面接触的滚珠轴承以及施加到球轴承的表面的半湿润滑剂。
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公开(公告)号：US20140368952A1
公开(公告)日：2014-12-18
申请号：US13974472
申请日：2013-08-23
发明人： Shin Young CHEONG
CPC分类号： G11B19/2036 , H02K5/1675
摘要： There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a shaft; a sleeve rotatably supporting the shaft by fluid dynamic pressure; a stator core installed on an outer surface of the sleeve; a base member fixed to the sleeve, wherein at least a portion of an inner edge of the base member in a radial direction is inserted into a fixing portion formed in a circumferential direction in an outer surface of the sleeve in the radial direction, and the sleeve includes a first sleeve supporting the shaft and a second sleeve provided outwardly of the sleeve and having the stator core installed on an outer surface thereof.
摘要翻译： 提供了主轴电动机和包括该主轴电动机的硬盘驱动器。 主轴电机包括：轴; 通过流体动压力可旋转地支撑轴的套筒; 安装在所述套筒的外表面上的定子芯; 固定在所述套筒上的基座部件，其中，所述基部部件的径向的内缘的至少一部分沿径向插入到所述套筒的外周面的圆周方向上形成的固定部， 套筒包括支撑轴的第一套筒和设置在套筒外部的第二套筒，并且其定子芯体安装在其外表面上。
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公开(公告)号：US20140265687A1
公开(公告)日：2014-09-18
申请号：US13955649
申请日：2013-07-31
发明人： Shin Young CHEONG , Hoon Hee Han
CPC分类号： H02K7/086 , F16C33/745 , F16C35/02 , F16C2240/46 , F16C2370/12 , H02K5/1677
摘要： There is provided a spindle motor including: a rotating body including a sleeve part disposed between a thrust member and a flange part of a shaft, a connection part extended from the sleeve part, and a rotor hub part extended from the connection part, 0.5 mm
摘要翻译： 提供了一种主轴电动机，其包括：旋转体，包括设置在推力构件和轴的凸缘部之间的套筒部，从套筒部延伸的连接部以及从连接部延伸的转子轮毂部，
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公开(公告)号：US20170146889A1
公开(公告)日：2017-05-25
申请号：US15242910
申请日：2016-08-22
发明人： Je Hyun BANG , Shin Young CHEONG , Byung Gi AN , Hoon HEO
IPC分类号： G03B13/36 , H02K41/035 , G02B27/64 , G03B5/02 , G02B7/09
CPC分类号： G03B13/36 , G02B7/08 , G02B7/09 , G02B27/646 , G03B5/02 , G03B2205/0007 , G03B2205/0069 , H02K41/0354 , H02K41/0356
摘要： An actuator driving apparatus includes an inductor disposed on a housing to face a magnetic body attached to a lens carrier, a detector configured to apply a reference signal to the inductor and detect an inductor current flowing through the inductor, a calculator configured to determine a position of the lens carrier based on the inductor current, and a driver configured to drive an actuator based on the position of the lens carrier and a position control signal.
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公开(公告)号：US20170045710A1
公开(公告)日：2017-02-16
申请号：US15230730
申请日：2016-08-08
发明人： Byung Hoon LEE , Jae Ho BAIK , Shin Young CHEONG , Sang Ho SEO
CPC分类号： G02B7/28 , G02B7/09 , G02B27/646 , H04N5/23287
摘要： An actuator driving device includes: a linearizer configured to linearize a first signal, indicative of a displacement of a lens module, to generate a second signal; a position controller configured to generate a position control signal in response to the second signal and a control input signal indicative of a target location of the lens module; and a driver configured to drive an actuator in response to the position control signal.
摘要翻译： 致动器驱动装置包括：线性化器，被配置为线性化指示透镜模块的位移的第一信号，以产生第二信号; 位置控制器，被配置为响应于所述第二信号和指示所述镜头模块的目标位置的控制输入信号产生位置控制信号; 以及配置成响应于所述位置控制信号来驱动致动器的驱动器。
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公开(公告)号：US20160269644A1
公开(公告)日：2016-09-15
申请号：US15067681
申请日：2016-03-11
发明人： Shin Young CHEONG
CPC分类号： H04N5/23287 , G02B7/028 , G02B7/08 , G02B7/09 , G02B27/646 , H04N5/2257 , H04N5/232
摘要： A driver includes a position detector, a controller, a current applying unit, and a driver actuator. The position detector is configured to detect a position of a lens module. The controller is configured to control movement of the lens module based on information on a target position of the lens module included in an input signal and speed information generated based on the position of the lens module detected by the position detector. The current applying unit is configured to apply a current to move the lens module according to a control of the controller. The driver actuator is configured to drive the lens module according to the current from the current applying unit.
摘要翻译： 驱动器包括位置检测器，控制器，电流施加单元和驱动器致动器。 位置检测器被配置为检测透镜模块的位置。 控制器被配置为基于关于包括在输入信号中的透镜模块的目标位置的信息和基于由位置检测器检测到的透镜模块的位置而生成的速度信息来控制透镜模块的移动。 电流施加单元被配置为根据控制器的控制施加电流以移动透镜模块。 驱动器致动器被配置为根据来自当前施加单元的电流驱动透镜模块。
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公开(公告)号：US20160043674A1
公开(公告)日：2016-02-11
申请号：US14679491
申请日：2015-04-06
发明人： Shin Young CHEONG
摘要： A motor driving apparatus may include an inverter unit applying a starting voltage to a plurality of coils of a motor apparatus, a detection unit detecting currents generated by the starting voltage in the plurality of respective coils, and a controlling unit determining inductive rising times of the currents by the starting voltage in the plurality of respective coils using the detected currents and determining a position of a rotor using lengths of the inductive rising times.
摘要翻译： 电动机驱动装置可以包括逆变器单元，其向电动机装置的多个线圈施加起动电压，检测单元检测由多个线圈中的起动电压产生的电流，以及控制单元，其确定电动机装置的感应上升时间 使用所检测的电流通过所述多个相应线圈中的起始电压的电流，并且使用所述感应上升时间的长度来确定转子的位置。
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公开(公告)号：US20130307379A1
公开(公告)日：2013-11-21
申请号：US13949944
申请日：2013-07-24
发明人： Shin Young CHEONG , Hyun Chul LEE
IPC分类号： H02K7/08
CPC分类号： H02K7/085 , F16C17/026 , F16C33/107 , F16C33/1085 , F16C2370/12 , G11B19/2036 , H02K5/1675
摘要： A spindle motor includes a shaft; a first sleeve rotatably supporting the shaft by fluid dynamic pressure; a second sleeve provided outwardly of the first sleeve; a stator core mounted on an outer surface of the second sleeve; and a base member including a mounting part protruding upwardly in an axial direction and fixed to at least one of the first and second sleeves.
摘要翻译： 主轴电动机包括轴; 通过流体动压力可旋转地支撑轴的第一套筒; 第二套筒，设置在第一套筒的外侧; 安装在所述第二套筒的外表面上的定子芯; 以及基部构件，其包括沿轴向向上突出并固定到第一和第二套筒中的至少一个的安装部分。
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