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公开(公告)号:US09995902B2
公开(公告)日:2018-06-12
申请号:US14012896
申请日:2013-08-28
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor: Jae Ho Baik , Hoon Heo , Jung Seok Lee , Jae Hyuk Lee , Yong Joon Park , Jung Wook Hwang
Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
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公开(公告)号:US09214887B2
公开(公告)日:2015-12-15
申请号:US13892680
申请日:2013-05-13
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD. , ZINITIX CO., LTD
Inventor: Won Seob Oh , Je Hyun Park , Oh Byoung Kwon , Kyoung Won Hyun , Jung Wook Hwang , Hoon Heo , Hong Soo Jung , Yong Joon Park
CPC classification number: H02P25/028 , H02P7/025 , H02P7/04 , H02P25/034 , H02P27/08
Abstract: An apparatus and a method for driving a voice coil motor (VCM) may include an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the VCM by selecting a path for a driving current applied to the VCM according to the digital signal and controlling a duty of the driving current according to the instruction signal.
Abstract translation: 用于驱动音圈电机(VCM)的装置和方法可以包括:指令信号生成单元,根据从输入信号生成的数字信号产生指令信号;以及驱动单元,通过选择驱动路径来驱动VCM 电流根据数字信号施加到VCM,并根据指令信号控制驱动电流的占空比。
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公开(公告)号:US20180259740A1
公开(公告)日:2018-09-13
申请号:US15975864
申请日:2018-05-10
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Jae Ho BAIK , Hoon Heo , Jung Seok Lee , Jae Hyuk Lee , Yong Joon Park , Jung Wook Hwang
Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
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公开(公告)号:US08995241B1
公开(公告)日:2015-03-31
申请号:US14461839
申请日:2014-08-18
Applicant: Samsung Electro-Mechanics Co., Ltd. , Zinitix Co., Ltd.
Inventor: Hoon Heo , Hee Soo Yoon , Seog Jin Hong , Won Seob Oh , Kyoung Won Hyun , Shin Young Cheong , Ga Eun Kang , Sung Sig Kim , Yong Joon Park
CPC classification number: G02B7/023 , G02B7/08 , G11B7/0935 , H02K41/00
Abstract: Embodiments of the invention provide an apparatus for driving a voice coil motor actuator providing a driving signal to a coil for controlling a position of a lens barrel in which a magnet is equipped. The apparatus includes a plurality of hall sensors configured to detect the position of the lens barrel in which the magnet is equipped, and a voice coil motor driving integrated circuit configured to provide the driving signal to the coil based on outputs from the plurality of hall sensors and a received target position. The plurality of hall sensors are embedded in the voice coil motor driving integrated circuit along a moving direction of the magnet.
Abstract translation: 本发明的实施例提供了一种用于驱动音圈电动机致动器的装置,该致动器向线圈提供驱动信号,用于控制其中配备有磁体的镜筒的位置。 该装置包括:多个霍尔传感器,被配置为检测其中配备有磁体的镜筒的位置;以及音圈马达驱动集成电路,其被配置为基于来自多个霍尔传感器的输出向线圈提供驱动信号 和接收到的目标位置。 多个霍尔传感器沿着磁体的移动方向嵌入音圈马达驱动集成电路。
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公开(公告)号:US20140098434A1
公开(公告)日:2014-04-10
申请号:US14012896
申请日:2013-08-28
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor: Jae Ho Baik , Hoon Heo , Jung Seok Lee , Jae Hyuk Lee , Yong Joon Park , Jung Wook Hwang
IPC: G02B7/04
Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
Abstract translation: 提供了一种透镜致动器,包括:透镜筒,其中至少一个透镜设置在光轴上; 设置在镜筒的一个表面上的磁性部分; 以及印刷电路板,其中设置产生电磁力的线圈图形部分,印刷电路板具有面向磁性部分的一个表面,其中磁性材料设置在印刷电路板的另一个表面上。
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公开(公告)号:US11163211B2
公开(公告)日:2021-11-02
申请号:US15698290
申请日:2017-09-07
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor: Hong Joo Lee , Dong Yeon Shin , Nam Ki Park , Shin Young Cheong , Byung Gi Ahn , Hoon Heo , Je Hyun Bang , Yun Tae Lee , Ick Chan Shim , Young Bok Yoon
Abstract: An actuator includes a magnet, a driving coil facing the magnet, a driver, and a position calculation processor. The driver is configured to move the magnet in at least one of an optical axis direction and a direction perpendicular to the optical axis by applying a driving signal to the driving coil. The position calculation processor includes sensing coils, and is configured to calculate a position of the magnet according to inductance levels of an inductor of the sensing coils. The inductance levels vary according to movements of the magnet.
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公开(公告)号:US10830983B2
公开(公告)日:2020-11-10
申请号:US15447983
申请日:2017-03-02
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor: Je Hyun Bang , Hoon Heo , Shin Young Cheong , Byung Gi An , Dae Hyun Jeong
IPC: G02B7/09 , H02K41/035 , H02K11/21 , H02K11/33 , H02P25/034 , G02B7/08 , G02B27/64
Abstract: A camera module actuator is described including a magnet, a coil disposed to face the magnet, and a driver configured to apply a driving signal to the coil to move the magnet. The camera module actuator also includes a detector configured to detect a position of the magnet from a change in inductance of the coil, based on the movement of the magnet.
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公开(公告)号:US09188762B2
公开(公告)日:2015-11-17
申请号:US13801031
申请日:2013-03-13
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Jae Ho Baik , Won Seob Oh , Hoon Heo , Jung Seok Lee , Jae Hyuk Lee , Yong Joon Park , Jung Wook Hwang
Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.
Abstract translation: 这里公开了一种相机模块,其中磁体的运动仅通过磁体和磁轭之间的磁力来控制,而没有用于控制上下运行的磁体的运动的弹簧。 相机模块包括:镜头模块; 以及支撑所述透镜模块并允许所述透镜模块沿光轴方向驱动的主框架,其中,所述透镜模块包括:透镜组件,包括多个透镜; 以及固定在透镜模块的一侧的磁体,主框架包括:面向磁体的线圈,固定在主框架内的一侧,并且在施加电力时产生电场; 以及设置成与所述主框架和所述线圈相对的磁体的磁轭,并且通过与所述磁体的吸引来控制所述透镜组件的驱动。
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公开(公告)号:US20140009089A1
公开(公告)日:2014-01-09
申请号:US13892680
申请日:2013-05-13
Inventor: Won Seob OH , Je Hyun Park , Oh Byoung Kwon , Kyoung Won Hyun , Jung Wook Hwang , Hoon Heo , Hong Soo Jung , Yong Joon Park
IPC: H02P25/02
CPC classification number: H02P25/028 , H02P7/025 , H02P7/04 , H02P25/034 , H02P27/08
Abstract: There are provided an apparatus and a method for driving a voice coil motor (VCM), the apparatus including an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the voice coil motor (VCM) by selecting a path for a driving current applied to the voice coil motor (VCM) according to the digital signal and controlling a duty of the driving current according to the instruction signal.
Abstract translation: 提供了一种用于驱动音圈电机(VCM)的装置和方法,该装置包括指令信号产生单元,根据从输入信号产生的数字信号产生指令信号,以及驱动单元驱动音圈电机 (VCM),通过根据数字信号选择施加到音圈电动机(VCM)的驱动电流的路径,并根据指示信号控制驱动电流的占空比。
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公开(公告)号:US10197763B2
公开(公告)日:2019-02-05
申请号:US15145197
申请日:2016-05-03
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Shin Young Cheong , Hoon Heo , Ho Jun Yoo
Abstract: There are provided an actuator driving apparatus, a camera module, and an electronic apparatus to selectively use a position and current control method and a current control method. The actuator driving apparatus includes a position controller and a current driver. The position controller is configured to receive a control input signal and output the control input signal or a position control signal, which is generated based on the control input signal, according to a mode signal. The current driver is configured to generate a current to drive an actuator according to the control input signal or the position control signal.
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