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    • 32. 发明授权
    • Optical disc clamp mechanism for use in selectively clamping a mini disc
or a compact disc in an optical disc apparatus
    • 用于选择性地夹紧光盘装置中的微型盘或光盘的光盘夹紧机构
    • US5751688A
    • 1998-05-12
    • US454566
    • 1995-05-30
    • Osamu MizunoTohru NakamuraHideki AikohHironori TomitaMasanari Mohri
    • Osamu MizunoTohru NakamuraHideki AikohHironori TomitaMasanari Mohri
    • G11B17/028G11B17/04
    • G11B17/057G11B17/0282G11B17/0284G11B17/0565
    • An optical disc clamp mechanism that is capable of selectively playing back either of a compact disc or a mini disc. The clamp mechanism includes a circular disc receiving section for contacting a reference surface of either of the compact disc or the mini disc and further includes a magnetic clamp unit for clamping the mini disc by magnetic attraction with a magnetically attractable member of the mini disc. A first conical or spherical taper cone portion for engaging the center hole of the mini disc is mounted to the disc receiving section and a second conical or spherical taper cone portion for engaging the center hole of the compact disc is mounted to the disc receiving section. The first taper cone portion is located inwardly of the second taper cone portion and protrudes from the second taper cone portion in the axial direction. The magnetic clamp unit further includes a stopper element for preventing detachment of the first and second taper cone portions from the disc receiving section. Accordingly, the optical disc clamp mechanism independently affects the centering of a mini disc and a compact disc to allow either of the discs to be centered.
    • 一种能够选择性地播放光盘或迷你光盘中的任何一个的光盘夹紧机构。 夹紧机构包括用于接触致密盘或小型盘之一的参考表面的圆盘接收部分,并且还包括用于通过磁吸引力将迷你盘夹紧在迷你盘的磁吸引构件上的磁夹单元。 用于接合微型盘的中心孔的第一锥形或球形锥形锥形部分安装到盘片接收部分,并且用于接合光盘的中心孔的第二锥形或球形锥形锥形部分安装到盘片接收部分。 第一锥形锥形部分位于第二锥形锥形部分的内侧,并且在轴向方向上从第二锥形锥形部分突出。 磁夹单元还包括用于防止第一和第二锥形锥部从盘接收部分脱离的止动件。 因此,光盘夹紧机构独立地影响微型盘和致密盘的对中,以允许任何一个盘对中。
    • 33. 发明授权
    • Optical head supporting apparatus
    • 光头支撑装置
    • US5124965A
    • 1992-06-23
    • US413676
    • 1989-09-28
    • Osamu MizunoTohru NakamuraNoboru Kikuchi
    • Osamu MizunoTohru NakamuraNoboru Kikuchi
    • G11B7/085G11B7/09
    • G11B7/08582G11B7/093G11B7/0932G11B7/0935
    • An optical head and supporting apparatus has an optical head for irradiating a parallel beam in a direction perpendicular to a recording surface of an optical disk, an objective lens rigidly mounted on the optical head for receiving the parallel beam from the optical head, tracking drive coils for driving the optical head over the whole recording range in a first direction transverse to the recording tracks of the optical disk, focusing drive coils for driving the optical head in a second direction perpendicular to the recording surface of the optical disk, and a support mechanism made of wire-shaped elastic bodies for supporting the optical head freely movably in the first and second directions over the whole recording range in the first direction of the optical head. The support mechanism is fixedly mounted through elastic bodies on a part of a structural body independent of movement of the optical head. Seek, tracking and focusing movements of a beam spot can be achieved in such a way that the wire-shaped eleastic bodies are elastically deformed by forces developed through the tracking drive coils and focusing drive coils thereby to move the optical head two-dimensionally.
    • 光头和支撑装置具有用于在与光盘的记录表面垂直的方向上照射平行光束的光学头,刚性地安装在光学头上的物镜,用于从光学头接收平行光束,跟踪驱动线圈 用于在与光盘的记录轨道横向的第一方向上在整个记录范围上驱动光头,用于沿垂直于光盘的记录表面的第二方向驱动光头的聚焦驱动线圈和支撑机构 在光学头的第一方向上在整个记录范围内沿第一和第二方向自由移动地支撑光学头的线状弹性体。 支撑机构通过弹性体固定地安装在结构体的一部分上,而与光学头的运动无关。 可以以这样的方式实现束斑的寻找,跟踪和聚焦运动,使得线状的弹性体由通过跟踪驱动线圈和聚焦驱动线圈产生的力弹性变形,从而二维地移动光学头。
    • 37. 发明授权
    • Joint mechanism and joint device
    • 接头机构和接头装置
    • US08141925B2
    • 2012-03-27
    • US12517710
    • 2007-12-07
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • B66C1/00
    • B25J15/0009B25J9/102F16H1/16Y10T74/19637Y10T74/19828Y10T74/20317Y10T74/20329
    • The joint mechanism includes a first link, a second link, a third link, a shaft supported on the second link to be rotatable about an axis thereof, and movable in an axis direction thereof, a first worm and a second worm mounted on the shaft, a first worm wheel in mesh with the first worm to pivotally move the first link with respect to the second link, and a second worm wheel in mesh with the second worm to pivotally move the third link with respect to the second link. The first link and the third link are pivotally moved in opposite directions to each other by rotating the shaft, and pivotally moved in identical directions to each other by moving the shaft in the axis direction.
    • 所述关节机构包括:第一连杆,第二连杆,第三连杆,支撑在所述第二连杆上的轴,以绕其轴线旋转并且可沿其轴线方向移动;第一蜗杆和安装在所述轴上的第二蜗杆 与所述第一蜗杆啮合的第一蜗轮,以相对于所述第二连杆枢转地移动所述第一连杆;以及与所述第二蜗杆啮合的第二蜗轮,以相对于所述第二连杆枢转地移动所述第三连杆。 第一连杆和第三连杆通过旋转轴而以相反的方向枢转运动,并且通过沿着轴线方向移动轴而以相同的方向彼此枢转地运动。