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    • 24. 发明授权
    • Objective lens driving device and manufacturing method thereof
    • 物镜驱动装置及其制造方法
    • US6163416A
    • 2000-12-19
    • US296655
    • 1999-04-23
    • Nobuo UekusaYasuhiro TerasakiNoriyuki Kawano
    • Nobuo UekusaYasuhiro TerasakiNoriyuki Kawano
    • G11B7/09G11B7/22G02B7/02
    • G11B7/22G11B7/093G11B7/0932G11B7/0933G11B7/0935
    • An objective lens driver in which a movable portion 1 with an objective lens 11 is supported on a fixed portion by two groups of elastic supporting members each being horizontally bent which are disposed on both sides of the objective lens 11 such that each group of elastic supporting members are vertically arranged on each side of the objective lens, and the upper elastic supporting members of the groups of elastic supporting members are spaced from each other horizontally, is improved such that each group of elastic supporting members vertically arranged on each side of the objective lens are not parallel to each other. Further, damping material are fixedly disposed between both ends of the elastic supporting members and stuck onto the elastic supporting members, and the amount of the damping material on one side of the objective lens is different from that of the damping material on the other side of the objective lens, and a method of manufacturing the objective lens driver.
    • 一种物镜驱动器,其中具有物镜11的可移动部分1由两组弹性支撑构件支撑在固定部分上,每组弹性支撑构件均设置在物镜11的两侧,使得每组弹性支撑 构件垂直地布置在物镜的每一侧上,并且弹性支撑构件组的上弹性支撑构件在水平方向上彼此间隔地改善,使得每组垂直布置在物镜的每一侧上的弹性支撑构件 镜头不平行。 此外,阻尼材料固定地设置在弹性支撑构件的两端之间并且粘附到弹性支撑构件上,并且物镜的一侧上的阻尼材料的量与另一侧的阻尼材料的量不同 物镜,以及物镜驱动器的制造方法。
    • 30. 发明授权
    • Optical head device for an optical disk apparatus reading and writing information on an optical disk
    • 用于光盘装置的光头装置在光盘上读取和写入信息
    • US07203951B2
    • 2007-04-10
    • US10448358
    • 2003-05-30
    • Noriyuki KawanoNobuo Uekusa
    • Noriyuki KawanoNobuo Uekusa
    • G11B7/08
    • G11B7/0935G11B7/0933G11B7/0956
    • An optical head device for an optical disk apparatus for optically reading and writing information by irradiating a light spot onto an information recording surface of an optical recording medium, which is capable of moving an objective lens to a predetermined position even when part of the drive coil is included in an neutral area n in the vicinity of the magnetic boundary. There are provided two driving force generating units, including two magnets 50a and 50b disposed in the tangential direction of an optical disk separately on the opposite sides of an objective lens 10, and coil units 60a and 60b for generating the driving force directed against the magnets 50a and 50b disposed on a lens holder 20, and the magnets 50a and 50b and the coil units 60a and 60b are arranged in such a manner that the driving force other than the driving force generated for tracking movement and the moment act against each other at the two driving force generating units.
    • 一种用于光盘装置的光学头装置,用于通过将光点照射到光学记录介质的信息记录表面上来光学地读取和写入信息,即使当驱动线圈的一部分也能将物镜移动到预定位置时 被包含在磁边界附近的中性区域n中。 设置有两个驱动力产生单元,包括分别位于物镜10的相对侧的光盘的切线方向上设置的两个磁体50a和50b,以及用于产生驱动力的线圈单元60a和60b 针对设置在透镜保持器20上的磁体50a和50b,并且磁体50a和50b以及线圈单元60a和60b以这样的方式被布置,使得除了为 在两个驱动力发生单元处,跟踪运动和力矩相互作用。