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    • 2. 发明授权
    • Objective lens drive having a variable stiffness fixing member
    • 具有可变刚度固定构件的物镜驱动器
    • US07433278B2
    • 2008-10-07
    • US10532141
    • 2003-10-23
    • Koji IekiHiroshi YamamotoYoshihiro Ikawa
    • Koji IekiHiroshi YamamotoYoshihiro Ikawa
    • G11B7/09G11B7/085G11B7/08
    • G11B7/0932G11B7/0956
    • In order to obtain a preferred recording/reproducing characteristic in an apparatus for optical disks having higher density, an objective lens drive is provided for driving an objective lens (1) in the optical axis direction, a direction perpendicular to the optical axis, and a tilting direction along the radius of an optical disk, by which operating sensitivity is improved and a stable operating characteristic is realized. Sections of two (7b, 7e) of six fixing portions (7a to 7f) for supporting six support members (6a to 6f) which support a movable part (5), are set lower in stiffness than another sections of the other four fixing portions (7a, 7c, 7d, 7f), thereby improving the operating sensitivity of the movable part (5) and stabilizing the operation of the movable part (5).
    • 为了在具有较高密度的光盘的装置中获得优选的记录/再现特性,提供了一种用于在光轴方向,垂直于光轴的方向驱动物镜(1)的物镜驱动器,以及 沿着光盘的半径倾斜方向,从而提高操作灵敏度并实现稳定的工作特性。 用于支撑支撑可移动部分(5)的六个支撑构件(6a至6f)的六个固定部分(7a至7f)的两个(7b,7e)的部分的刚度比另一部分 (7a,7c,7d,7f),从而提高可动部(5)的操作灵敏度,稳定可动部(5)的动作。
    • 3. 发明申请
    • OPTICAL PICKUP DEVICE, OPTICAL PICKUP UNIT AND DATA STREAMER APPARATUS
    • 光学拾取器件,光学拾取器和数据流器件
    • US20130051202A1
    • 2013-02-28
    • US13444053
    • 2012-04-11
    • Koji IEKI
    • Koji IEKI
    • G11B7/08G11B7/1374
    • G11B7/003G11B7/0932G11B7/0933G11B7/0935G11B7/14
    • In one embodiment, an optical pickup device includes a fixed portion 100, a movable portion 11, first and second elastic supporting members 12a and 12b, one and the other ends of which are secured to the fixed portion 100 and the movable portion 11, respectively, and an objective lens 8 secured to the movable portion 11. The objective lens 8 is arranged inside of the area that is defined between two lines that are respectively drawn from one and the other ends of the first elastic supporting member 12a perpendicularly to the first elastic supporting member 12a and outside of the area defined between the first and second elastic supporting members 12a and 12b.
    • 在一个实施例中,光学拾取装置包括固定部分100,可移动部分11,第一和第二弹性支撑部件12a和12b,第一和第二弹性支撑部件12a和12b分别固定在固定部分100和可动部分11上 以及固定在可动部11上的物镜8.物镜8配置在分别从分别从第一弹性支撑构件12a的一端到另一端被拉伸的两条线之间的区域的内侧, 弹性支撑构件12a和限定在第一和第二弹性支撑构件12a和12b之间的区域的外侧。
    • 4. 发明授权
    • Objective lens driving device, optical pickup device, and optical disk drive
    • 物镜驱动装置,光学拾取装置和光盘驱动器
    • US07729212B2
    • 2010-06-01
    • US11866441
    • 2007-10-03
    • Osamu KajinoHironori TomitaKanji WakabayashiKoji Ieki
    • Osamu KajinoHironori TomitaKanji WakabayashiKoji Ieki
    • G11B7/00
    • G11B7/0935G11B7/0932G11B7/0933G11B7/1275G11B2007/0006
    • The objective lens driving device of the present invention for an optical pickup device is provided. The device includes first and second objective lenses, and a lens holder for supporting the first and second objective lenses. The lens holder has a first through-hole for passage of first laser beam and a second through-hole for passage of second laser beam. Where a plane defined by a central axis of the first objective lens and a central axis of the second objective lens is a central plane, a plane perpendicular to the central plane and including the central axis of the first objective lens is a first plane, and a plane perpendicular to the central plane and including the central axis of the second objective lens is a second plane; the first through-hole is asymmetrical with respect to the first plane and/or the second through-hole is asymmetrical with respect to the second plane.
    • 提供了本发明的用于光学拾取装置的物镜驱动装置。 该装置包括第一和第二物镜,以及用于支撑第一和第二物镜的透镜支架。 透镜架具有用于第一激光束通过的第一通孔和用于第二激光束通过的第二通孔。 在由第一物镜的中心轴和第二物镜的中心轴限定的平面是中心平面的情况下,垂直于中心平面并且包括第一物镜的中心轴的平面是第一平面,并且 垂直于中心平面并且包括第二物镜的中心轴的平面是第二平面; 第一通孔相对于第一平面不对称和/或第二通孔相对于第二平面不对称。
    • 6. 发明授权
    • Optical pickup device, optical pickup unit and data streamer apparatus
    • 光学拾取装置,光学拾取装置和数据流送装置
    • US08687475B2
    • 2014-04-01
    • US13444053
    • 2012-04-11
    • Koji Ieki
    • Koji Ieki
    • G11B7/00G11B7/135G11B21/16
    • G11B7/003G11B7/0932G11B7/0933G11B7/0935G11B7/14
    • In one embodiment, an optical pickup device includes a fixed portion 100, a movable portion 11, first and second elastic supporting members 12a and 12b, one and the other ends of which are secured to the fixed portion 100 and the movable portion 11, respectively, and an objective lens 8 secured to the movable portion 11. The objective lens 8 is arranged inside of the area that is defined between two lines that are respectively drawn from one and the other ends of the first elastic supporting member 12a perpendicularly to the first elastic supporting member 12a and outside of the area defined between the first and second elastic supporting members 12a and 12b.
    • 在一个实施例中,光学拾取装置包括固定部分100,可移动部分11,第一和第二弹性支撑部件12a和12b,第一和第二弹性支撑部件12a和12b分别固定在固定部分100和可动部分11上 以及固定在可动部11上的物镜8.物镜8配置在分别从分别从第一弹性支撑构件12a的一端到另一端被拉伸的两条线之间的区域的内侧, 弹性支撑构件12a和限定在第一和第二弹性支撑构件12a和12b之间的区域的外侧。
    • 7. 发明申请
    • OBJECTIVE LENS DRIVE DEVICE
    • 目标镜头驱动装置
    • US20100157779A1
    • 2010-06-24
    • US12160530
    • 2006-10-23
    • Koji IekiHiroaki Kojima
    • Koji IekiHiroaki Kojima
    • G11B7/00
    • G11B7/0932G11B7/0933G11B7/0935
    • An objective lens drive device where a cushioning elastic body can be stably poured into a through-hole that is formed in a wire holder in which a suspension wire is inserted, and where the amount of the elastic body required is reduced. The through-hole that is formed in the wire holder (8) and in which the suspension wire (7) is inserted has a first elastic body receiving section (8a) formed on a lens holder (2) side, a second elastic body receiving section (8b) formed on a wire fixation member side so as to be adjacent to the first elastic body receiving section (8a), and a wire penetration hole (8c) for communicating the first elastic body receiving section (8a) and the second elastic body receiving section (8b) and having a smaller diameter than the first elastic body receiving section (8a).
    • 一种物镜驱动装置,其中缓冲弹性体可以稳定地注入形成在其中插入悬挂线的线保持器中的通孔中,并且所需的弹性体的量减少。 形成在线保持器(8)中并且悬挂线(7)插入的通孔具有形成在透镜保持器(2)侧的第一弹性体接收部(8a),接收 形成在电线固定部件侧以与第一弹性体接收部分相邻的部分(8b)和用于使第一弹性体接收部分(8a)和第二弹性体接收部分(8a)连通的电线穿透孔(8c) 主体接收部分(8b)并且具有比第一弹性体接收部分(8a)小的直径。
    • 8. 发明申请
    • Objective lens driving drive
    • 物镜驱动驱动
    • US20060156324A1
    • 2006-07-13
    • US10532141
    • 2003-10-23
    • Koji IekiHiroshi YamamotoYoshihiro Ikawa
    • Koji IekiHiroshi YamamotoYoshihiro Ikawa
    • G11B7/09G11B7/085G11B7/08
    • G11B7/0932G11B7/0956
    • In order to obtain a preferred recording/reproducing characteristic in an apparatus for optical disks having higher density, an objective lens drive is provided for driving an objective lens (1) in the optical axis direction, a direction perpendicular to the optical axis, and a tilting direction along the radius of an optical disk, by which operating sensitivity is improved and a stable operating characteristic is realized. Sections of two (7b, 7e) of six fixing portions (7a to 7f) for supporting six support members (6a to 6f) which support a movable part (5), are set lower in stiffness than another sections of the other four fixing portions (7a, 7c, 7d, 7f), thereby improving the operating sensitivity of the movable part (5) and stabilizing the operation of the movable part (5).
    • 为了在具有较高密度的光盘的装置中获得优选的记录/再现特性,提供了一种用于在光轴方向,垂直于光轴的方向驱动物镜(1)的物镜驱动器,以及 沿着光盘的半径倾斜方向,从而提高操作灵敏度并实现稳定的工作特性。 用于支撑支撑可移动部分(5)的六个支撑构件(6a至6f)的六个固定部分(7a至7f)的两个(7b,7e)的部分的刚度比另一部分 (7a,7c,7d,7f),从而提高可动部(5)的操作灵敏度,稳定可动部(5)的动作。
    • 10. 发明申请
    • OBJECTIVE LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND OPTICAL DISK DRIVE
    • 目标镜头驱动装置,光学拾取装置和光盘驱动器
    • US20080084811A1
    • 2008-04-10
    • US11866441
    • 2007-10-03
    • Osamu KAJINOHironori TOMITAKanji WAKABAYASHIKoji IEKI
    • Osamu KAJINOHironori TOMITAKanji WAKABAYASHIKoji IEKI
    • G11B7/00
    • G11B7/0935G11B7/0932G11B7/0933G11B7/1275G11B2007/0006
    • The objective lens driving device of the present invention for an optical pickup device is provided. The device includes first and second objective lenses, and a lens holder for supporting the first and second objective lenses. The lens holder has a first through-hole for passage of first laser beam and a second through-hole for passage of second laser beam. Where a plane defined by a central axis of the first objective lens and a central axis of the second objective lens is a central plane, a plane perpendicular to the central plane and including the central axis of the first objective lens is a first plane, and a plane perpendicular to the central plane and including the central axis of the second objective lens is a second plane; the first through-hole is asymmetrical with respect to the first plane and/or the second through-hole is asymmetrical with respect to the second plane.
    • 提供了本发明的用于光学拾取装置的物镜驱动装置。 该装置包括第一和第二物镜,以及用于支撑第一和第二物镜的透镜支架。 透镜架具有用于第一激光束通过的第一通孔和用于第二激光束通过的第二通孔。 在由第一物镜的中心轴和第二物镜的中心轴限定的平面是中心平面的情况下,垂直于中心平面并且包括第一物镜的中心轴的平面是第一平面,并且 垂直于中心平面并且包括第二物镜的中心轴的平面是第二平面; 第一通孔相对于第一平面不对称和/或第二通孔相对于第二平面不对称。