Information processing apparatus

Details Information processing apparatus Information processing apparatus

1989-05-22

1991-01-01

Levy, Stuart S.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369271, 369290, G11B 2300, G11B 726

Patent

active

049823990

ABSTRACT:
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.

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patent: 4733388 (1988-03-01), Fujimoto et al.

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