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    • 3. 发明授权
    • Disk tray, disk storing apparatus and disk drive
    • 磁盘托盘,磁盘存储装置和磁盘驱动器
    • US06407982B1
    • 2002-06-18
    • US09043132
    • 1998-10-14
    • Sunao AokiNobuhiko TsukaharaToshiharu Okanishi
    • Sunao AokiNobuhiko TsukaharaToshiharu Okanishi
    • G11B370
    • G11B17/043G11B17/0434G11B17/056G11B23/0316G11B23/0317G11B23/0323G11B23/0326G11B33/0416G11B33/0422G11B33/0438
    • A disc tray for holding a disc on which an information signal is recorded and which can be loaded into a disc drive apparatus in a state where the disc tray holds the disc, the disc tray having an overall body formed into a thin plate-like shape and including a disc-receiving recess having an inner diameter larger than the diameter of a recording and/or reproducing disc and a depth larger than the thickness of the disc and arranged to removably hold the disc while having gaps in a direction in parallel with the surfaces of the disc and in a direction of the thickness of the disc, a bottom opening formed along the widthwise directional center of the disc tray in a range from substantially the central portion of the bottom portion of the disc-receiving recess to an end of the bottom portion and having a shape that the end of the bottom is opened, and a plurality of disc-separation-preventive portions formed to project into the disc-receiving recess from outside of the disc-receiving recess in such a manner that gaps at least permitting insertion of the disc are formed from the bottom portion of the disc-receiving recess.
    • 一种盘托盘,用于保持其上记录有信息信号的盘,并且在盘托盘固定盘的状态下可以将其装载到盘驱动装置中,盘托盘具有形成为薄板状的整体 并且包括具有大于记录和/或再现盘的直径的内径的盘接收凹部和大于盘的厚度的深度,并且被设置成可移除地保持盘,同时在与 盘的表面和盘的厚度方向,沿着盘托盘的宽度方向中心形成的底部开口在从盘接收凹部的底部的大致中央部分到 底部具有使底部的端部打开的形状,以及形成为从盘接收接收器的外部突出到盘接收凹部中的多个盘分离防止部 ss,使得至少允许盘插入的间隙从盘接收凹部的底部形成。
    • 5. 发明申请
    • DISC CARTRIDGE
    • 盘盒
    • US20110225602A1
    • 2011-09-15
    • US12947126
    • 2010-11-16
    • Takeshi KuboSunMin KimNobuhiko TsukaharaTakeharu TakasawaNaofumi Goto
    • Takeshi KuboSunMin KimNobuhiko TsukaharaTakeharu TakasawaNaofumi Goto
    • G11B17/03
    • G11B23/0323G11B23/0328
    • A disc cartridge includes upper and lower shells making up a cartridge body, and with the lower shell, a first-rectangular plate, and disc holders making up the side wall of the cartridge body provided to first-side edges of the first-rectangular plate, and also slidably supporting a disc are provided, and second-side edges which face each other are opened, with the upper shell, a second-rectangular plate, standing wall members provided to third-side edges of the second-rectangular plate, making up the front and rear faces of the cartridge body, and a dividing wall provided to fourth-side edges are provided, and with the disc holders, an disc insertion/ejection opening from the second-side edges is provided to one edge, and a push-out opening for a disc push-out member is provided to the other edge, and when the shells are combined together, the second-side edges are closed, and are opened when the shells are separated.
    • 盘盒包括构成盒体的上壳体和下壳体,并且下壳体具有第一矩形板和构成盒主体侧壁的盘保持器,其设置在第一矩形板的第一侧边缘 并且还可滑动地支撑盘,并且彼此面对的第二侧边缘被打开,上壳体具有第二矩形板,设置在第二矩形板的第三侧边缘的立壁构件, 并且设置在第四侧边缘上的分隔壁设置有一个与第二侧边缘相对的盘插入/排出口,并且, 向另一边缘设置有用于盘推出构件的推出开口,并且当壳体组合在一起时,第二侧边缘关闭,并且当壳体分离时打开。
    • 6. 发明授权
    • Disc tray, disc-tray accommodating apparatus and disc drive apparatus
    • 光盘托盘,盘托盘容纳装置和盘驱动装置
    • US06414928B1
    • 2002-07-02
    • US09438023
    • 1999-11-10
    • Sunao AokiNobuhiko TsukaharaToshiharu Okanishi
    • Sunao AokiNobuhiko TsukaharaToshiharu Okanishi
    • G11B3302
    • G11B17/043G11B17/0434G11B17/056G11B23/0316G11B23/0317G11B23/0323G11B23/0326G11B33/0416G11B33/0422G11B33/0438
    • A disc tray for holding a disc on which an information signal is recorded and which can be loaded into a disc drive apparatus in a state where the disc tray holds the disc, the disc tray having an overall body formed into a thin plate-like shape and including a disc-receiving recess having an inner diameter larger than the diameter of a recording and/or reproducing disc and a depth larger than the thickness of the disc and arranged to removably hold the disc while having gaps in a direction in parallel with the surfaces of the disc and in a direction of the thickness of the disc, a bottom opening formed along the widthwise directional center of the disc tray in a range from substantially the central portion of the bottom portion of the disc-receiving recess to an end of the bottom portion and having a shape that the end of the bottom is opened, and a plurality of disc-separation-preventive portions formed to project into the disc-receiving recess from outside of the disc-receiving recess in such a manner that gaps at least permitting insertion of the disc are formed from the bottom portion of the disc-receiving recess.
    • 一种盘托盘,用于保持其上记录有信息信号的盘,并且在盘托盘固定盘的状态下可以将其装载到盘驱动装置中,盘托盘具有形成为薄板状的整体 并且包括具有大于记录和/或再现盘的直径的内径的盘接收凹部和大于盘的厚度的深度,并且被设置成可移除地保持盘,同时在与 盘的表面和盘的厚度方向,沿着盘托盘的宽度方向中心形成的底部开口在从盘接收凹部的底部的大致中央部分到 底部具有使底部的端部打开的形状,以及形成为从盘接收接收器的外部突出到盘接收凹部中的多个盘分离防止部 ss,使得至少允许盘插入的间隙从盘接收凹部的底部形成。
    • 8. 发明授权
    • Optical pickup device and recording and/or reproducing apparatus for
optical disc
    • 用于光盘的光拾取装置和记录和/或再现装置
    • US6021107A
    • 2000-02-01
    • US43380
    • 1998-08-19
    • Nobuhiko TsukaharaKatsuya Takahashi
    • Nobuhiko TsukaharaKatsuya Takahashi
    • G11B7/00G11B7/09G11B7/135G11B17/30
    • G11B7/0935G11B7/1374G11B2007/0006G11B7/0927G11B7/093
    • An optical pick-up device used for recording and/or reproduction of at least two kinds of optical discs different in kind. This optical pick-up device comprises a first object lens, a second object lens having numerical aperture different from numerical aperture of the first object lens, a bobbin on which the first and second object lenses are attached, and a drive mechanism for moving the bobbin in a first direction in parallel to the optical axes of the first and second object lenses and in a second direction perpendicular to the optical axes of the first and second object lenses. Thus, such an approach is employed to selectively use the first and second object lenses to thereby carry out recording and/or reproduction of at least two kinds of optical discs different in kind.
    • PCT No.PCT / JP97 / 02490第 371日期1998年8月19日 102(e)1998年8月19日PCT PCT 1997年7月17日PCT公布。 第WO98 / 02874号公报 日期1998年1月22日用于记录和/或再现不同种类的至少两种光盘的光学拾取装置。 该光学拾取装置包括第一物镜,具有与第一物镜的数值孔径不同的数值孔径的第二物镜,安装有第一和第二物镜的线轴,以及用于使线轴移动的驱动机构 在与第一和第二物镜的光轴平行的第一方向上,并且在垂直于第一和第二物镜的光轴的第二方向上。 因此,采用这种方法选择性地使用第一和第二物镜从而进行不同种类的至少两种光盘的记录和/或再现。
    • 10. 发明授权
    • Microfloppy disk drive with centering mechanism
    • 带有定心机构的微型磁盘驱动器
    • US4989107A
    • 1991-01-29
    • US887080
    • 1986-07-17
    • Nobuhiko Tsukahara
    • Nobuhiko Tsukahara
    • G11B17/028G11B19/20G11B23/00
    • G11B17/0282G11B19/2009G11B23/0035
    • A disk drive apparatus is provided with a center positioning pin engageable with a center positioning aperture of a magnetic disk, and a drive pin establishing positioning and driving engagement with a driving and positioning opening formed in the disk. The drive pin is supported by a resilient member which is resiliently deformable and is pivotable retative to a turntable. The resilient member is preferably so arranged to cause pivotal movement of the drive pin to have substantially greater radial motion component in comparison with peripheral motion component, or to permit inclination of the drive pin relative to a vertical axis at least in a direction different from the direction of rotation of the turntable by the resilience. With this arrangement, the disk drive apparatus is capable of exerting higher rotational torque with an accuracy in centering of a magnetic disk to be driven and can minimize shifting of chucking point so as not to cause offset of indexes recorded in the disk. Furthermore, the disk drive apparatus can reduce a shock in chucking and whereby minimize or eliminate wear and/or deformation of a drive opening and a drive pin.
    • 磁盘驱动装置设置有可与磁盘的中心定位孔接合的中心定位销,以及与形成在盘中的驱动定位孔定位和驱动接合的驱动销。 驱动销由弹性构件支撑,弹性构件可弹性变形并且可回转到转台。 弹性构件优选地布置成使得驱动销的枢转运动与周边运动部件相比具有基本上更大的径向运动部件,或者允许驱动销相对于竖直轴线至少沿不同于 旋转方向由旋转方向旋转。 通过这种布置,磁盘驱动装置能够以要驱动的磁盘的中心的精度施加更高的旋转扭矩,并且可以最小化卡盘点的移动,从而不会引起记录在盘中的索引的偏移。 此外,磁盘驱动装置可以减少夹紧中的冲击,从而最小化或消除驱动开口和驱动销的磨损和/或变形。