Dynamic optical information storage or retrieval – Dynamic mechanism optical subsystem – Transducer carriage or actuator
Reexamination Certificate
2004-10-07
2008-03-25
Cao, Allen (Department: 2627)
Dynamic optical information storage or retrieval
Dynamic mechanism optical subsystem
Transducer carriage or actuator
Reexamination Certificate
active
07350222
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
Choi In Ho
Hong Sam Nyol
Lee Kyung Taek
Cao Allen
Lee Hong Degerman Kang & Schmadeka
LG Electronics Inc.
LandOfFree
Actuator of optical pick-up device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Actuator of optical pick-up device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Actuator of optical pick-up device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3962247