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    Tape cassette with write protection device
    2.
    发明公开
    Tape cassette with write protection device 有权
    Bandkassette mit Schreibschutzvorrichtung

    公开(公告)号：EP1026685A3

    公开(公告)日：2001-07-18

    申请号：EP00300721.8

    申请日：2000-01-31

    申请人： SONY CORPORATION

    发明人： Sasaki, Kazuo ,  Chiba, Hitomi

    IPC分类号： G11B23/03 ,  G11B23/04 ,  G11B23/087 ,  G11B23/28

    CPC分类号： G11B23/288 ,  G11B23/08714 ,  G11B23/287

    摘要： A tape cassette (1) is disclosed which includes an erroneous erasing preventive or write protect device (41) which includes a plurality of discriminating detectable portions (42a-42c) provided in a cassette body or casing and a discriminating plug (43) for opening and closing at least one of the discriminating detectable portions. The discriminating detectable portions (42a-42c) are formed collectively in a single indented part (42) with no separating walls.

    摘要翻译： 公开了一种盒式磁带，其包括错误的擦除防止或写保护装置，其包括设置在盒体或壳体中的多个识别可检测部分和用于打开和关闭至少一个可识别可检测部分的识别插头。 识别可检测部分集体地形成在没有分隔壁的单个缩进部分中。

    Data storage disk apparatus
    5.
    发明公开
    Data storage disk apparatus 失效
    数据存储盘装置。

    公开(公告)号：EP0226378A2

    公开(公告)日：1987-06-24

    申请号：EP86309356.3

    申请日：1986-12-01

    申请人： SONY CORPORATION

    发明人： Nemoto, Tsuneo ,  Sasaki, Kazuo

    IPC分类号： G11B23/00 ,  G11B17/028

    CPC分类号： G11B17/0284 ,  G11B23/0035

    摘要： In a flexible magnetic disc apparatus having a disc drive unit including a spindle with a cylindrical peripheral surface terminating at an upper margin thereof and a seating surface provided on the disc drive unit in a plane normai to the central rotary axis of the cylindrical peripheral surface, and a record disc including a flexible magnetic disc member, a reinforcing core member secured to the disc member at the center thereof and having an aperture for receiving the spindle and a reference surface engageable with the seating surface to limit the extension of the spindle through the aperture, spindle positioning projections extending into the aperture for engagement with the spindle therein and a resilient member extending into the aperture for pressing the spindle therein against the positioning projections; the top edges of the spindle positioning projections are located in respect to the reference surface so that, when the record disc is mounted on the disc drive unit with the reference surface engaging the seating surface, the cylindrical peripheral surface of the spindle always extends above the top edges of the positioning projections, not withstanding the standard dimensional tolerances, for ensuring that the positioning projections will accurately center the flexible magnetic disc member relative to the rotary axis.