Disk drive including a balancer

Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production

Reexamination Certificate

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Details

C369S053180, C369S053450

Reexamination Certificate

active

07035197

ABSTRACT:
A disk drive capable of producing the effect of a balancer even in a variety of reproduction and recording speeds without causing problems owing to the balancer, comprising a balancer in which magnetic balls1movably accommodated inside a damper6cancel any imbalance amount of a disk5, and a detection section14provided near the clamper6to detect the behavior of the magnetic balls1.

REFERENCES:
patent: 5136569 (1992-08-01), Fennema et al.
patent: 6005749 (1999-12-01), Ikuta et al.
patent: 0 938 087 (1999-02-01), None
patent: 10-83622 (1998-03-01), None
patent: 10255710 (1998-09-01), None
patent: 11098759 (1999-04-01), None
patent: 11306629 (1999-11-01), None
patent: WO 00/04541 (2000-01-01), None
patent: WO 00/04542 (2000-01-01), None

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