公开(公告)号：US4916684A

公开(公告)日：1990-04-10

申请号：US56903

申请日：1987-06-03

申请人： Kazuharu Odawara ,  Masaru Ishii ,  Nobuo Inage

发明人： Kazuharu Odawara ,  Masaru Ishii ,  Nobuo Inage

IPC分类号： G11B21/02 ,  G11B7/0037 ,  G11B7/08 ,  G11B7/085 ,  G11B7/12 ,  G11B19/20 ,  G11B25/04

CPC分类号： G11B19/20 ,  G11B25/043 ,  G11B7/0037 ,  G11B7/08 ,  G11B7/08582

摘要： A disc data reproducing apparatus, including a rotating mechanism for rotating the disc about a central axis, an optical head disposed opposite the disc for receiving data from the disc, and a moving mechanism for moving the optical head along the radial direction of the disc. The optical head is disposed on one side of the central axis of the rotating mechanism and the moving mechanism is disposed on the other side of the central axis so as to reduce the space requirements for housing the head and moving mechanism within the apparatus.

摘要翻译： 一种盘数据再现装置，包括用于围绕中心轴旋转盘的旋转机构，与盘相对设置的用于从盘接收数据的光头，以及用于沿光盘的径向方向移动光头的移动机构。 光头设置在旋转机构的中心轴线的一侧，移动机构设置在中心轴线的另一侧，以减少在装置内容纳头部和移动机构的空间要求。

公开(公告)号：US5265087A

公开(公告)日：1993-11-23

申请号：US803780

申请日：1991-12-06

申请人： Nobuo Inage ,  Kazuharu Odawara ,  Ryoji Yamaguchi

发明人： Nobuo Inage ,  Kazuharu Odawara ,  Ryoji Yamaguchi

IPC分类号： G11B17/028 ,  G11B17/03 ,  G11B23/00 ,  G11B23/03 ,  G11B7/24

CPC分类号： G11B17/028 ,  G11B17/03 ,  G11B23/0035 ,  G11B23/0321

摘要： An information memory medium (10) includes disk-shaped substrates (30a, 30b) and recording layers (32a, 32b). It also has a centering member (38a, 38b) whose coefficient of thermal expansion resembles that of the substrates (30a, 30b). Two flat magnetic members (40a, 40b) are situated in annular depressions (68a, 68b) provided in the centering member. The annular depressions are larger than the magnetic members so that differences in thermal expansion can be absorbed.

摘要翻译： 信息存储介质（10）包括盘状基板（30a，30b）和记录层（32a，32b）。 它还具有其热膨胀系数类似于基板（30a，30b）的定心构件（38a，38b）。 两个扁平的磁性构件（40a，40b）位于设置在定心构件中的环形凹部（68a，68b）中。 环状凹部比磁性部件大，能够吸收热膨胀的差异。

公开(公告)号：US4982399A

公开(公告)日：1991-01-01

申请号：US355781

申请日：1989-05-22

申请人： Kazuharu Odawara ,  Yoshiaki Tago ,  Nobuo Inage

发明人： Kazuharu Odawara ,  Yoshiaki Tago ,  Nobuo Inage

IPC分类号： G11B17/028 ,  G11B19/20 ,  G11B23/00 ,  G11B33/14

CPC分类号： G11B17/0282 ,  G11B19/2009 ,  G11B23/00 ,  G11B23/0035 ,  G11B33/14

摘要： An information processing apparatus includes an optical disk and a drive mechanism for rotating the disk. The disk comprises a disk-shaped body and an attractable portion at the central portion of the body. The attractable portion has an attractable member projecting from the body. A center hole, defining the center of rotation of the body, is cut in the attractable member. The drive mechanism includes a turntable which is rotated by a motor. A depression is formed in a support surface of the turntable. A magnetic attraction unit is arranged in the depression so as to magnetically attract the attractable portion, whereby the attractable member is housed in the depression and the surface of the body is in contact with the support surface.

摘要翻译： 信息处理装置包括光盘和用于旋转盘的驱动机构。 盘体包括盘体和身体中心部分的可吸引部分。 可吸引部分具有从身体突出的可吸引构件。 限定主体旋转中心的中心孔被切割在可吸引构件中。 驱动机构包括由马达旋转的转台。 在转台的支承面上形成有凹部。 凹陷部设有磁吸引单元，从而磁性地吸引吸引部，由此，吸引构件容纳在凹部内并且本体的表面与支撑面接触。

公开(公告)号：US4827470A

公开(公告)日：1989-05-02

申请号：US116661

申请日：1987-11-04

申请人： Kazuharu Odawara ,  Nobuo Inage

发明人： Kazuharu Odawara ,  Nobuo Inage

IPC分类号： G11B7/24 ,  G11B17/028 ,  G11B23/00

CPC分类号： G11B17/0282 ,  G11B23/0021 ,  G11B23/0035

摘要： An optical disk comprising a disk-like body having two base plates made of synthetic resin and two recording layers formed on the base plates, respectively. The body is formed by bonding the base plates, with a spacer interposed therebetween, such that the recording layers face each other. The disk further comprises two centering members, each projecting from the surface of the center portion of each base plate. Each centering member is made of synthetic resin, and one magnetic member is mounted on the centering member. The centering member is inserted in a hole formed in the center portion of the body. The centering member has a center hole defining the center of rotation of the body, and also a recess for holding the magnetic member. Four through-holes are formed in the bottom of the recess. The magnetic member has four projections and is held in the recess, with the projections inserted into the through-holes of the bottom of the recess. Since the optical disk has magnetic members, one on each surface, it can be attracted to the turntable of a drive mechanism by means of the magnetic force exerted by the magnet fitted in the recess formed in the surface of the turntable.

摘要翻译： 一种光盘，包括具有由合成树脂制成的两个基板和形成在基板上的两个记录层的盘状主体。 通过将基板与间隔件夹在两者之间，使得记录层彼此面对而形成本体。 盘还包括两个定心构件，每个定中心构件从每个基板的中心部分的表面突出。 每个定心构件由合成树脂制成，并且一个磁性构件安装在定心构件上。 定心构件插入形成在身体的中心部分的孔中。 定心构件具有限定主体的旋转中心的中心孔以及用于保持磁性构件的凹部。 四个通孔形成在凹槽的底部。 磁性构件具有四个突起并且保持在凹部中，突起插入凹部的底部的通孔中。 由于光盘具有磁性部件，所以每个表面上都有一个磁性部件，它可以通过由安装在转台表面上形成的凹部中的磁体施加的磁力吸引到驱动机构的转台上。

公开(公告)号：US4866697A

公开(公告)日：1989-09-12

申请号：US116660

申请日：1987-11-04

申请人： Ryoji Yamaguchi ,  Kazuharu Odawara ,  Nobuo Inage

发明人： Ryoji Yamaguchi ,  Kazuharu Odawara ,  Nobuo Inage

IPC分类号： G11B7/24 ,  G11B17/028 ,  G11B23/00

CPC分类号： G11B17/0282 ,  G11B23/0021 ,  G11B23/0035

摘要： An optical disk comprising a disk-like body having two base plates made of synthetic resin and two recording layers formed on the base plates, respectively. The body is formed by bonding the base plates, with a spacer interposed therebetween, such that the recording layers face each other. The disk further comprises two centering members, each projecting from the surface of the center portion of one base plate. Each centering member is made of synthetic resin, and one magnetic member is mounted on the centering member. The centering member is inserted in a hole formed in the center portion of the body. The centering member has a center hole defining the center of rotation of the body, and also three projections formed in the surface thereof which faces away from the recording layer. The magnetic member has three engaging holes and is mounted on the centering member, with the projections of the centering member fitted in the engaging holes. Since the optical disk has magnetic members, one on each surface, it can be attracted to the turntable of a drive mechanism by means of the magnetic force exerted by the magnet fitted in the recess formed in the surface of the turntable.

摘要翻译： 一种光盘，包括具有由合成树脂制成的两个基板和形成在基板上的两个记录层的盘状主体。 通过将基板与间隔件夹在两者之间，使得记录层彼此面对而形成本体。 盘还包括两个定心构件，每个定中心构件从一个基板的中心部分的表面突出。 每个定心构件由合成树脂制成，并且一个磁性构件安装在定心构件上。 定心构件插入形成在身体的中心部分的孔中。 定心构件具有限定主体的旋转中心的中心孔，并且在其表面上形成有背离记录层的三个突起。 磁性构件具有三个接合孔，并且安装在定心构件上，定心构件的突起装配在接合孔中。 由于光盘具有磁性部件，所以每个表面上都有一个磁性部件，它可以通过由安装在转台表面上形成的凹部中的磁体施加的磁力吸引到驱动机构的转台上。

公开(公告)号：US4827468A

公开(公告)日：1989-05-02

申请号：US63486

申请日：1987-06-18

申请人： Kazuharu Odawara ,  Ryoji Yamaguchi ,  Nobuo Inage

发明人： Kazuharu Odawara ,  Ryoji Yamaguchi ,  Nobuo Inage

IPC分类号： G11B17/028 ,  G11B23/00 ,  G11B23/03 ,  G11B23/40 ,  G11B7/00

CPC分类号： G11B17/0282 ,  G11B23/0035 ,  G11B23/0321 ,  G11B23/40

摘要： An information memory medium adapted for processing information with a drive mechanism including a turntable which has a support surface and a magnetic attraction member. The information memory medium includes a disk-shaped body, and an attractable member and a label disposed on the body. The label represents a manufacturer, recording sides, and type of the disk, etc., and is located on a portion of the body other than the surface where the attractable member is disposed and other than where the support surface comes in contact with the body.

摘要翻译： 一种适于用包括具有支撑表面和磁吸引构件的转台的驱动机构处理信息的信息存储介质。 信息存储介质包括盘形主体和可吸引构件以及设置在主体上的标签。 标签表示制造商，记录侧面和盘的类型等，并且位于除了可吸引构件被设置的表面之外的身体的除了支撑表面与身体接触之外的部分上 。