Disc positioning structure

Details Disc positioning structure Disc positioning structure

2008-05-27

2008-05-27

Chen, Tianjie (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

Reexamination Certificate

active

07380255

ABSTRACT:
A disc positioning structure includes a driver, a turntable and a positioning element. The turntable is disposed on the driver and used for placing a disc driven by the driver. The positioning element is disposed on the turntable and the disc is clamped onto the positioning element. The positioning element includes a first ring, a second ring and a plurality of spokes. Wherein, the second ring resides inside the first ring while the spokes are connected between the first ring and the second ring. The disc positioning structure provided by the present invention is able to compensate the positioning error of the disc and to reduce the production cost.

REFERENCES:
patent: 4737948 (1988-04-01), Okita
patent: 4841518 (1989-06-01), Nozu et al.
patent: 6741418 (2004-05-01), Renken
patent: 2002/0034041 (2002-03-01), Luo et al.
patent: 2005/0174684 (2005-08-01), Hanssen

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