Disc drive with resonator

Details Disc drive with resonator Disc drive with resonator

2008-05-27

2008-05-27

Tran, Thang V. (Department: 2627)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Environmental control

C720S692000

Reexamination Certificate

active

07380252

ABSTRACT:
A disc drive includes a frame in which a spindle motor and an optical pickup are installed, and at least one helmholtz resonator that is installed in the frame to reduce noise of a particular frequency determined by a volume of a resonating tube and a length and diameter of a neck of the resonator, where the helmholtz resonator may be constructed to be united with the frame.

REFERENCES:
patent: 6493180 (2002-12-01), Kang et al.
patent: 2004/0205788 (2004-10-01), Choi et al.
patent: 2000-0010127 (2000-02-01), None

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