Disk driving apparatus and method of manufacturing the same

Details Disk driving apparatus and method of manufacturing the same Disk driving apparatus and method of manufacturing the same

2005-03-21

2008-05-06

Klimowicz, William J (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Chassis base supporting transducer carriage

C720S651000, C720S694000

Reexamination Certificate

active

07370341

ABSTRACT:
A disk driving apparatus includes a base chassis which mounts thereon a spindle motor to rotatably drive a disk, and a pickup device to at least record information on or reproduce information from the disk rotated by the spindle motor while moving in a radial direction of the disk. Preferably, the base chassis includes a plurality of dynamic vibration absorbers each having an elastic member fixed to the base chassis and a dynamic vibration absorption pendulum plate supported by the chassis through the elastic member, and the plurality of dynamic vibration absorbers have different resonance frequencies each other within a frequency range of vibration of the base chassis which is generated in a utilized rotation speed range of the spindle motor.

REFERENCES:
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patent: 6169718 (2001-01-01), Matusi
patent: 6178156 (2001-01-01), Kuwajima et al.
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patent: 6785217 (2004-08-01), Kao et al.
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patent: 2003/0231575 (2003-12-01), Hong et al.
patent: 19850248 (1999-08-01), None
patent: A-11-328944 (1999-11-01), None

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