Optical disk vibration sensing and reproducing device

Details Optical disk vibration sensing and reproducing device Optical disk vibration sensing and reproducing device

1999-08-20

2000-06-27

Huber, Paul W.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 4432, G11B 390

Patent

active

060814918

ABSTRACT:
In an optical disk reproducing device capable of rotating an optical disk at a selected one of a plurality of preset linear velocities, vibration or shock of the device is detected during rotation of the disk, and the linear velocity of the disk is determined based on the result of the detection of the vibration or shock to restrain the vibration and shock within a permissible range. A limit rotational velocity above which the vibration or shock is excessive may be determined during a test conducted each time a disk is inserted, and the linear velocity of the disk during reproduction may be determined such that the rotational velocity does not exceed the limit rotational velocity.

REFERENCES:
patent: 4530018 (1985-07-01), Hoshino et al.
patent: 4750059 (1988-06-01), Syracuse
patent: 5434829 (1995-07-01), Maeda et al.
patent: 5636193 (1997-06-01), Ohmi
patent: 5706265 (1998-01-01), Bang

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