Actuator of optical pick-up device

Details Actuator of optical pick-up device Actuator of optical pick-up device

2008-03-25

2008-03-25

Cao, Allen (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

Reexamination Certificate

active

10961951

ABSTRACT:
An actuator of an optical pick-up device includes two fixing frames, a lens holder disposed between the fixing frames and provided with a focus lens and coils, springs supporting the lens holder, the springs connecting two points of each fixing frame to the lens holder, each spring having one or more bends, a permanent magnet disposed facing the coils to generate magnetic field, and a yoke forming a path of the magnetic field generated by the permanent magnet.

REFERENCES:
patent: 5046820 (1991-09-01), Saekusa
patent: 5446721 (1995-08-01), Sekimoto
patent: 5745447 (1998-04-01), Kang
patent: 6496451 (2002-12-01), Kimura et al.
patent: 2001/0040858 (2001-11-01), Son et al.
patent: 2002/0021651 (2002-02-01), Hong et al.
patent: 2003/0234990 (2003-12-01), Akanuma
patent: 06-162538 (1994-06-01), None

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