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    • 8. 发明授权
    • Disc case with dust shield members
    • 带防尘罩的盘盒
    • US06269073B1
    • 2001-07-31
    • US08782145
    • 1997-01-10
    • Yoshikazu GotoYukio Nishino
    • Yoshikazu GotoYukio Nishino
    • G11B370
    • G11B17/0436G11B23/0301G11B23/0308
    • A disc case having a case main unit including an accommodation chamber for rotatably accommodating a disc having a signal recording surface on at least one side of the disc, support member access openings provided in the top and bottom walls of the accommodation chamber so that a chucking member can apply an external pressure to the disc, a head access opening formed in the top or bottom wall of the accommodation chamber and tangent to the side wall surface of the accommodation chamber so that a read/write head can read and/or record signals on the signal recording surface of the disc, and a concave portion formed in an area extending from the side wall surface at the head access opening to the front fringe portion of the case main unit and concave with respect to the top or bottom surface of the main unit of the case. The disc case also includes a shutter installed on the case main unit to cover the support member access openings, the head access opening and the concave portion when the shutter is closed. The shutter opens to expose the support member access openings and the head access opening by sliding in at least one direction from the covered position along the front fringe portion of the case main unit. A shielding portion provided on the case main unit shields all or a part of the passages communicating with the accommodation chamber even when the shutter is closed.
    • 一种盘盒,其具有壳体主单元,所述壳体主单元包括容纳室,用于在所述盘的至少一侧可旋转地容纳具有信号记录表面的盘,所述容纳室设置在所述容纳室的顶壁和底壁中, 构件可以对盘施加外部压力,形成在容纳室的顶壁或底壁中并与容纳室的侧壁表面相切的头部进入开口,使得读/写头可以读取和/或记录信号 在盘的信号记录表面上形成的凹部,以及形成在从主开口的侧面壁面延伸到壳体主单元的前边缘部分的区域中的凹部,并且相对于壳体主体的顶面或底面凹陷 案件的主要单位。 盘盒还包括安装在壳体主单元上以遮盖支撑构件进入开口的快门,当快门关闭时,打印头存取开口和凹部。 挡板打开以通过沿着壳体主单元的前边缘部分从覆盖位置沿至少一个方向滑动来暴露支撑构件进入开口和头部通路口。 设置在壳体主单元上的屏蔽部分即使在快门关闭时也可遮蔽与容纳室连通的全部或一部分通道。
    • 10. 发明授权
    • Disk cartridge
    • 磁盘盒
    • US06271992B1
    • 2001-08-07
    • US09403468
    • 1999-10-21
    • Hiroshi Meguro
    • Hiroshi Meguro
    • G11B2303
    • G11B33/1446G11B23/0301G11B23/0307G11B23/0308G11B23/0316G11B23/507
    • A disk cartridge comprising a center core at the central portion thereof with which it is chucked onto a rotary drive, a disk to be mounted onto the rotary drive and rotated at a rotation speed of at least 3,000 rpm, and a cartridge body for rotatably accommodating the disk. The cartridge body has a center opening in the central part of its lower surface through which the center core of the disk is exposed outside, a pair of recording/reproducing openings in opposing positions of the upper and lower surfaces of the cartridge body through which at least a part of the signal recording area of the disk is exposed outside in a radial direction, and a partition wall formed between the upper and lower surfaces of the cartridge body to enclose the almost entire outer periphery of the disk. The partition wall has a notch at a position downstream, in the disk rotation direction, of the recording/reproducing openings, which notch communicates through an exhaust passage to an exhaust opening formed in the front wall of the cartridge body.
    • 一种磁盘盒,其中心部分在其中心部分被夹持在旋转驱动器上,一个盘被安装到旋转驱动器上并以至少3,000rpm的转速旋转;以及盒体,用于可旋转地容纳 磁盘。 盒体在其下表面的中心部分具有中心开口,盘的中心芯通过该中心开口暴露在外部,一对记录/再现开口位于盒体的上表面和下表面的相对位置, 盘的信号记录区域的至少一部分在径向外露出,并且形成在盒体的上表面和下表面之间的分隔壁以包围盘的几乎整个外周。 分隔壁在记录/再现开口的盘旋转方向的下游位置处具有凹口,该凹口通过排气通道连通到形成在盒体前壁中的排气口。