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公开(公告)号：US07280442B2
公开(公告)日：2007-10-09
申请号：US10720386
申请日：2003-11-25
申请人： Chae Min Ju , Young Bok Kim
发明人： Chae Min Ju , Young Bok Kim
CPC分类号： G11B7/0935 , G11B7/0933
摘要： An optical type pick-up actuator can include a lens holder having an object lens for condensing a light on an optical disc mounted at one side thereof and activated in a predetermined direction, and a plurality of yokes and magnets facing one another. A focusing coil and a tracking coil can be installed between the plurality of magnets, and disposed in a Y-axis direction to activate the lens holder by an electromagnetic force with the magnets in focusing and tracking directions.
摘要翻译： 光学拾取致动器可以包括具有物镜的透镜保持器，所述物镜用于将安装在其一侧的光盘上的光在预定方向上激活，并且多个磁轭和磁体彼此面对。 聚焦线圈和跟踪线圈可以安装在多个磁体之间，并且设置在Y轴方向上，以通过电磁力在聚焦和跟踪方向上激活透镜保持器。
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公开(公告)号：US20050141359A1
公开(公告)日：2005-06-30
申请号：US10984897
申请日：2004-11-10
申请人： Chae Min Ju , In Ho Choi
发明人： Chae Min Ju , In Ho Choi
CPC分类号： G11B7/0956
摘要： A slim type optical pick-up actuator is provided. The actuator including: a lens holder provided with an object lens mounted at a predetermined portion thereof, two or more focusing coils received in a receiving groove thereof, a tracking coil disposed on a front surface of the focusing coils, and a tilt coil disposed on a top of the focusing coils, and moving in 3-axis directions; a bipolar magnet disposed facing the coils; two or more unipolar magnets facing the bipolar magnet and having an opposite polarity to the bipolar magnet; a yoke plate having a bent inner yoke, the inner yoke having inner surfaces facing each other, on which the bipolar magnet and the two or more unipolar magnets are respectively attached; and a wire suspension supporting moving of the lens holder and electrically connected to the coils.
摘要翻译： 提供了一种超薄型光学拾取致动器。 所述致动器包括：透镜保持器，其设置有安装在其预定部分处的物镜，在其接收槽中容纳两个或更多个聚焦线圈，设置在聚焦线圈的前表面上的跟踪线圈和设置在聚焦线圈的前表面上的倾斜线圈 聚焦线圈的顶部，并沿三轴方向移动; 面向线圈设置的双极磁体; 两个或更多个单极磁体面对双极磁体并具有与双极磁体相反的极性; 具有弯曲内轭铁的轭板，所述内磁轭具有彼此面对的内表面，所述双极磁铁和所述两个或更多个单极磁铁分别安装在所述轭铁上; 以及电线悬架，其支撑透镜架的移动并电连接到线圈。
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公开(公告)号：US06768601B2
公开(公告)日：2004-07-27
申请号：US10247540
申请日：2002-09-20
申请人： Chae Min Ju
发明人： Chae Min Ju
IPC分类号： G02B702
CPC分类号： G11B7/22 , G11B7/0933 , G11B7/0935 , G11B7/0956
摘要： A lens position control unit of an optical pickup device, which is able to reduce the overall size of the device, to reduce the weight of the device, and to simplify the fabrication process by patterning coils for focusing, tracking, and radial tilt driving of a lens on a printed circuit board (PCB), comprises: a lens holder, on which a lens is fixed, disposed on upper part of a suspended yoke plate; suspension wires for supporting the suspension of the lens holder and applying electric power; coil PCBs, on which coils for focusing, tracking, and radial tilt driving of the lens holder are patterned, attached on front and rear parts of the lens holder; and magnets positioned at predetermined intervals from the coil PCBs to drive the lens by interaction with the coil PCBs.
摘要翻译： 光拾取装置的透镜位置控制单元，其能够减小装置的总体尺寸，以减小装置的重量，并且通过对用于聚焦，跟踪和径向倾斜驱动的线圈进行图案化来简化制造工艺 印刷电路板（PCB）上的透镜，包括：固定有透镜的透镜保持器，设置在悬架轭板的上部; 用于支撑透镜架的悬架并施加电力的悬挂线; 线圈PCB，其上用于镜片保持器的聚焦，跟踪和径向倾斜驱动的线圈被图案化，附接在镜头保持器的前部和后部; 以及以预定间隔从线圈PCB定位的磁体，以通过与线圈PCB的相互作用来驱动透镜。
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公开(公告)号：US07567486B2
公开(公告)日：2009-07-28
申请号：US10984897
申请日：2004-11-10
申请人： Chae Min Ju , In Ho Choi
发明人： Chae Min Ju , In Ho Choi
IPC分类号： G11B7/09
CPC分类号： G11B7/0956
摘要： A slim type optical pick-up actuator is provided. The actuator including: a lens holder provided with an object lens mounted at a predetermined portion thereof, two or more focusing coils received in a receiving groove thereof, a tracking coil disposed on a front surface of the focusing coils, and a tilt coil disposed on a top of the focusing coils, and moving in 3-axis directions; a bipolar magnet disposed facing the coils; two or more unipolar magnets facing the bipolar magnet and having an opposite polarity to the bipolar magnet; a yoke plate having a bent inner yoke, the inner yoke having inner surfaces facing each other, on which the bipolar magnet and the two or more unipolar magnets are respectively attached; and a wire suspension supporting moving of the lens holder and electrically connected to the coils.
摘要翻译： 提供了一种超薄型光学拾取致动器。 所述致动器包括：透镜保持器，其设置有安装在其预定部分处的物镜，在其接收槽中容纳两个或更多个聚焦线圈，设置在聚焦线圈的前表面上的跟踪线圈和设置在聚焦线圈的前表面上的倾斜线圈 聚焦线圈的顶部，并沿三轴方向移动; 面向线圈设置的双极磁体; 两个或更多个单极磁体面对双极磁体并具有与双极磁体相反的极性; 具有弯曲内轭铁的轭板，所述内磁轭具有彼此面对的内表面，所述双极磁铁和所述两个或更多个单极磁铁分别安装在所述轭铁上; 以及电线悬架，其支撑透镜架的移动并电连接到线圈。
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