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公开(公告)号：EP0064273A2
公开(公告)日：1982-11-10
申请号：EP82103626.6
申请日：1982-04-28
发明人： Tago, Yoshiaki
CPC分类号： G11B7/0037 , G11B7/08 , G11B33/027
摘要： An apparatus for processing information optically recorded on a disk (4), which comprises a housing (1) having a recess (2) for accommodating the disk (4) in a rotatable state, a lid member (1b) for closing the recess (2), and an optical head (11) provided inside the housing (1) for movement along a radial direction of the disk (4) and serving at least to read out information from the disk (4) by the agency of a laser beam (13). The optical head (11) projects the laser beam (13) toward the disk (4) for illumination thereof in a direction from the interior of the housing (1) toward the lid member (1b). The lid member (1b) includes a laser beam blocking portion (16) disposed to face the path of movement of the optical head (11) for blocking the laser beam (13) and a through hole (15) covered with a transparent plate (17) disposed to face a portion of the disk (4) other than a portion facing the path of movement for permitting the disk (4) to be seen from the outside.
摘要翻译： 用于处理信息的装置，光学地记录的盘（4），它包括：（1）具有凹部（2）的壳体中的可旋转的基座状态下容纳盘（4），一个盖件，用于封闭所述凹部（1B）（上 2），并且所述壳体（1）的内部设置用于移动沿着盘（4）的径向方向上和至少服务光学头（11），从所述盘（4）通过激光束的机构读出的信息 （13）。 光学头（11）伸出向盘（4），用于照明所述激光束（13）在从外壳（1）向盖构件（1b）的内部的方向上。 盖部件（1b）中包括用于阻挡覆盖有透明板的激光束（13）和一个通孔（15）设置成面对所述光学头（11）的运动路径的激光束阻挡部分（16）（ 17）设置成面对所述盘（4）除面对移动路径用于允许盘（4）将被从外部看到的部分以外的部分。
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公开(公告)号：EP0064282A1
公开(公告)日：1982-11-10
申请号：EP82103682.9
申请日：1982-04-29
发明人： Yamaguchi, Ryoji , Tago, Yoshiaki
CPC分类号： G11B17/0284
摘要： An apparatus for installing a disk (1) having a through hole (2) formed in the center thereof, which comprises a rotatable shaft (10), a disk Support (13) which is fixed to the rotatable shaft (10) and has a supporting surface (13a) for supporting the one side of the disk (1), and a disk holder (14) which is detachably fitted to the rotatable shaft (10) and presses the disk (1) on its other side toward the supporting surface (13a), thereby to cause the disk (1) to be fixed between the disk holder (14) and the disk support (13). The disk holder (14) includes a holder body (15) which is provided to be fitted onto the rotatable shaft (10) and movable along the rotatable shaft (10), a pressure assembly (16) which is disposed on the holder body (15) to exert the disk (1) on its other side an elastic pressure against the supporting surface (13a), and a slip preventive mechanism (21) for preventing the holder body (15) from the rotatable shaft (10) by engaging the holder body (15) with the rotatable shaft (10) through the fitting of the holder body (15) onto the rotatable shaft.
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