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    • 8. 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。
    • 9. 发明授权
    • Magnetic field measuring system of deflection yoke
    • 偏转线圈磁场测量系统
    • US06685522B2
    • 2004-02-03
    • US09877864
    • 2001-06-08
    • In Jung YunHo Jin ChoBong Woo LeeByung Hoon KangKwang Yun Choi
    • In Jung YunHo Jin ChoBong Woo LeeByung Hoon KangKwang Yun Choi
    • H01J942
    • H01J9/42H01J29/76
    • Disclosed is a product quality test in a winding step of the entire manufacturing process of a deflection yoke, which is a core part of a display device employing a cathode ray tube such as a color TV or a monitor, and in particular, a winding zig for measuring magnetic fields of a deflection yoke and a magnetic field measuring system of a deflection yoke using the winding zig. The winding zig and the system according to the invention include a plurality of magnetic field sensors mounted inside of the A-shaped winding zig, a digital signal generator for receiving output signals from the magnetic field sensors that sense magnetic field characteristics of a deflection coil wound around the A-shaped winding zig, amplifying the received signals, and converting the amplified signals to digital signals, a digital signal interface for converting the data outputted from the digital signal generator to serial data, and a transmitter for receiving signals processed as serial data by the digital signal interface, and transmitting the received signals.
    • 公开了作为使用诸如彩色电视或监视器的阴极射线管的显示装置的核心部分的偏转线圈的整个制造过程中的卷绕步骤中的产品质量测试,特别地,绕组Zig 用于测量偏转线圈的磁场和使用绕组曲线的偏转线圈的磁场测量系统。 根据本发明的绕组Zig和系统包括安装在A形绕组Zig内部的多个磁场传感器,一个数字信号发生器,用于接收来自磁场传感器的输出信号,该磁场传感器感测绕组的偏转线圈的磁场特性 围绕A形绕组Zig放大接收到的信号,并将放大的信号转换成数字信号,用于将从数字信号发生器输出的数据转换为串行数据的数字信号接口,以及用于接收作为串行数据处理的信号的发送器 通过数字信号接口,并发送接收到的信号。
    • 10. 发明申请
    • CAMERA MODULE HAVING AUTO-FOCUS APPARATUS
    • 具有自动聚焦装置的相机模块
    • US20130094844A1
    • 2013-04-18
    • US13276138
    • 2011-10-18
    • Byung Hoon KangDong Kyun LeeChuel Jin Park
    • Byung Hoon KangDong Kyun LeeChuel Jin Park
    • G03B13/36G03B13/34
    • G03B3/10G03B2205/0061H04N5/2257
    • The present invention discloses a camera module having an auto-focus apparatus including: a piezoelectric actuator for generating a force for moving a driven member; a rod connected to the piezoelectric actuator and transmitting the force of the piezoelectric actuator to the driven member; a lens barrel having at least one lens; and a connecting member for coupling the rod and the lens barrel together by a magnetic force. The connecting member has a rod guide groove corresponding to the rod and the rod is inserted and coupled to the rod guide groove in a movable manner. Since the lens barrel as a driven member is magnetically coupled to the rod which is adapted to move by the piezoelectric actuator, it is possible to easily assure the tilting performance of lens while securing and maintaining a preload. In addition, the overall size of the camera module can be reduced.
    • 本发明公开了一种具有自动对焦装置的相机模块,包括:压电致动器,用于产生用于移动从动部件的力; 连接到所述压电致动器并将所述压电致动器的力传递到所述从动构件的杆; 具有至少一个透镜的镜筒; 以及用于通过磁力将杆和镜筒联接在一起的连接构件。 连接构件具有对应于杆的杆引导槽,并且杆以可移动的方式插入并联接到杆引导槽。 由于作为从动构件的镜筒被磁耦合到适于由压电致动器移动的杆,所以可以在确保并保持预载的同时容易地确保透镜的倾斜性能。 此外,可以减小相机模块的总体尺寸。