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    • 1. 发明授权
    • Lens driving device
    • 镜头驱动装置
    • US07706089B2
    • 2010-04-27
    • US12000923
    • 2007-12-18
    • Burhanettin KocJung Wook HwangByung Hoon KangHyun Phill Ko
    • Burhanettin KocJung Wook HwangByung Hoon KangHyun Phill Ko
    • G02B7/02
    • G02B7/08G02B7/021G02B13/001H01L41/083H01L41/0906
    • A lens driving device including: a lens barrel having at least one lens therein and provided with a friction member; a housing for housing the lens barrel therein; an actuator having a piezoelectric body disposed at an edge of the housing to apply a driving force, the piezoelectric body having at least one output member provided at one side thereof to be in contact with the friction member; a preload member disposed between the edge of the housing and the actuator to apply an elastic force toward the lens barrel; and a guiding part disposed between the housing and the lens barrel to guide the lens barrel to move in an optical axis direction. The lens driving device is simplified in a driving mechanism and thus reduced in size, while experiencing minimum loss of a driving power and ensuring more accurate and stable movement of the lens.
    • 一种透镜驱动装置,包括:透镜筒,其中具有至少一个透镜并设置有摩擦构件; 用于在其中容纳镜筒的壳体; 所述致动器具有设置在所述壳体的边缘处以施加驱动力的压电体,所述压电体具有设置在其一侧的至少一个输出构件以与所述摩擦构件接触; 设置在所述壳体的边缘和所述致动器之间的预加载构件以向所述镜筒施加弹性力; 以及引导部,其设置在所述壳体和所述镜筒之间,以引导所述镜筒沿光轴方向移动。 透镜驱动装置被简化为驱动机构并因此减小了尺寸,同时经历驱动功率的最小损失并确保透镜的更准确和稳定的运动。
    • 2. 发明申请
    • Lens driving device
    • 镜头驱动装置
    • US20080144201A1
    • 2008-06-19
    • US12000923
    • 2007-12-18
    • Burhanettin KocJung Wook HwangByung Hoon KangHyun Phill Ko
    • Burhanettin KocJung Wook HwangByung Hoon KangHyun Phill Ko
    • G02B7/02
    • G02B7/08G02B7/021G02B13/001H01L41/083H01L41/0906
    • A lens driving device including: a lens barrel having at least one lens therein and provided with a friction member; a housing for housing the lens barrel therein; an actuator having a piezoelectric body disposed at an edge of the housing to apply a driving force, the piezoelectric body having at least one output member provided at one side thereof to be in contact with the friction member; a preload member disposed between the edge of the housing and the actuator to apply an elastic force toward the lens barrel; and a guiding part disposed between the housing and the lens barrel to guide the lens barrel to move in an optical axis direction. The lens driving device is simplified in a driving mechanism and thus reduced in size, while experiencing minimum loss of a driving power and ensuring more accurate and stable movement of the lens.
    • 一种透镜驱动装置,包括:透镜筒,其中具有至少一个透镜并设置有摩擦构件; 用于在其中容纳镜筒的壳体; 所述致动器具有设置在所述壳体的边缘处以施加驱动力的压电体,所述压电体具有设置在其一侧的至少一个输出构件以与所述摩擦构件接触; 设置在所述壳体的边缘和所述致动器之间的预加载构件以向所述镜筒施加弹性力; 以及引导部,其设置在所述壳体和所述镜筒之间,以引导所述镜筒沿光轴方向移动。 透镜驱动装置被简化为驱动机构并因此减小了尺寸,同时经历驱动功率的最小损失并确保透镜的更准确和稳定的运动。
    • 4. 发明授权
    • Lens actuating module
    • 镜头驱动模块
    • US08159762B2
    • 2012-04-17
    • US12684759
    • 2010-01-08
    • Soo Cheol LimByung Hoon KangChul Yeub HanJung Wook HwangHyun Phill KoJae Hyuk Park
    • Soo Cheol LimByung Hoon KangChul Yeub HanJung Wook HwangHyun Phill KoJae Hyuk Park
    • G02B7/02
    • G02B7/023G03B3/10G03B5/00G03B2205/0076
    • A lens actuating module. The module includes a housing and a lens barrel. received in an accommodating space of the housing and having a lens therein. A driving unit applies a driving force to the lens barrel such that the barrel can be moved up in an optical axis direction by a pulling force of contraction of an SMA (shape memory alloy) wire fixed to the housing. A rotary member is interposed between the housing and the lens barrel. A preload unit pulls the lens barrel in the optical axis direction such that the lens barrel can move down to an original position, and pulls the lens barrel in a direction perpendicular to the optical axis to maintain a contact of the lens barrel with the rotary member. The lens barrel is moved by the contracted or extended amount of the SMA wire, thus realizing a simple structure and miniaturization.
    • 镜头驱动模块 模块包括壳体和镜筒。 容纳在壳体的容纳空间中并且在其中具有透镜。 驱动单元向镜筒施加驱动力,使得筒可以通过固定到壳体的SMA(形状记忆合金)线的拉伸拉力而沿光轴方向向上移动。 旋转构件插入在壳体和镜筒之间。 预载单元沿着光轴方向拉动镜筒,使得镜筒可以向下移动到原始位置,并且沿垂直于光轴的方向拉动镜筒,以保持镜筒与旋转构件的接触 。 透镜筒由SMA线的收缩或延伸量移动,从而实现简单的结构和小型化。
    • 5. 发明授权
    • Lens actuating module
    • 镜头驱动模块
    • US08116018B2
    • 2012-02-14
    • US12609952
    • 2009-10-30
    • Jae Hyuk ParkByung Hoon KangChul Yeub HanJung Wook HwangHyun Phill KoSoo Cheol Lim
    • Jae Hyuk ParkByung Hoon KangChul Yeub HanJung Wook HwangHyun Phill KoSoo Cheol Lim
    • G02B7/02
    • G02B7/102G02B7/022G02B7/026
    • Disclosed herein is a lens actuating module. The module includes a housing having an accommodating space and a bush guide. A lens barrel is accommodated in the accommodating space and includes a lens and a barrel hook. A driving unit applies a driving force to a bush such that it is moved up in the direction of the optical axis, by pulling force of contraction of a shape memory alloy wire. The bush is guided by the bush guide and engages with the barrel hook. A rotary member is interposed between the housing and the lens barrel. A preload unit pulls the lens barrel in the direction of the optical axis such that the lens barrel moves down to an original position, and pulls the lens barrel in a direction perpendicular to the optical axis to maintain a contact of the lens barrel with the rotary member.
    • 本文公开了一种透镜致动模块。 模块包括具有容纳空间和衬套引导件的壳体。 透镜筒容纳在容纳空间中并且包括透镜和桶钩。 驱动单元通过拉动形状记忆合金线的收缩力,向衬套施加驱动力使其沿光轴方向向上移动。 衬套由衬套引导件引导并与桶钩接合。 旋转构件插入在壳体和镜筒之间。 预加载单元沿着光轴的方向拉动镜筒,使得镜筒向下移动到原始位置,并且沿垂直于光轴的方向拉动镜筒,以保持镜筒与旋转件的接触 会员。
    • 10. 发明授权
    • Piezoelectric actuator and lens driving device
    • 压电致动器和透镜驱动装置
    • US07764449B2
    • 2010-07-27
    • US12155125
    • 2008-05-29
    • Burhanettin KocHyun Phill Ko
    • Burhanettin KocHyun Phill Ko
    • G02B7/02G02B15/14
    • G02B7/08H01L41/083H01L41/0913H02N2/026
    • There are provided a piezoelectric actuator and a lens driving apparatus having the piezoelectric actuator. The lens driving device includes: a lens barrel having a lens hole where at least one lens is disposed, and having a tip friction member on an outer surface thereof; a base having a guiding part guiding the lens barrel to move along an optical axis direction; a piezoelectric actuator having a piezoelectric body disposed at an edge of the base to apply a driving force when a power is applied, the piezoelectric body having at least one friction member at one side thereof to be in contact with the tip friction member; and a preload member applying an elastic force for elastically supporting the piezoelectric actuator against the lens barrel to keep the tip friction member and the friction member in contact with each other.
    • 提供了具有压电致动器的压电致动器和透镜驱动装置。 透镜驱动装置包括:具有透镜孔的镜筒,其中设置有至少一个透镜,并且在其外表面上具有尖端摩擦构件; 基部,其具有引导镜头引导镜筒沿光轴方向移动的基座; 压电致动器,其具有设置在所述基座的边缘处的压电体,以在施加电力时施加驱动力,所述压电体在其一侧具有至少一个摩擦构件以与所述尖端摩擦构件接触; 以及预压构件,其施加用于将所述压电致动器弹性地支撑在所述镜筒上的弹性力,以保持所述尖端摩擦构件和所述摩擦构件彼此接触。