Objective lens drive device, and disk recording and/or...

Details Objective lens drive device, and disk recording and/or... Objective lens drive device, and disk recording and/or...

2006-05-16

2006-05-16

Korzuch, William (Department: 2653)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044220, C369S044240, C369S112240, C369S244100

Reexamination Certificate

active

07046590

ABSTRACT:
The present invention is directed to an object lens drive device adapted for moving an object lens (21) in a focus direction of optical axis direction and in a tracking direction perpendicular to the optical axis direction, and comprises a fixed portion (10) provided in such a manner that a supporting shaft (14) is projected, a movable portion (11) comprised of an object lens (21), and a bobbin (16) adapted so that the object lens (21) is attached and a hole (18) through the supporting shaft is inserted is formed, the bobbin (18) being supported movably along the supporting shaft and rotatably with the supporting shaft being as center, a drive portion including a magnet portion provided at either one of the fixed portion and the movable portion, and a coil portion (22) provided at the other portion to move the movable portion along the supporting shaft to thereby move the object lens in the focus direction, and to rotate the bobbin with the supporting shaft being as center to thereby move the object lens in the tracking direction, and supporting means including a magnetic member (25) for supporting the movable portion in the state inclined with respect to the supporting shaft.

REFERENCES:
patent: 4302830 (1981-11-01), Hamaoka et al.
patent: 4555780 (1985-11-01), Koide
patent: 5327417 (1994-07-01), Tanaka et al.
patent: 5488594 (1996-01-01), Kobayashi et al.
patent: 6172958 (2001-01-01), Mochizuki et al.
patent: 6181671 (2001-01-01), Ikawa et al.
patent: 60-140549 (1985-07-01), None
patent: 62-78737 (1987-04-01), None
patent: 35521/1989 (1989-03-01), None
patent: 46919/1990 (1990-03-01), None
patent: 9-44873 (1997-02-01), None
patent: 10-162389 (1998-06-01), None
patent: 11-232672 (1999-08-01), None

Affiliated with

Also associated with

Rating

Objective lens drive device, and disk recording and/or... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Objective lens drive device, and disk recording and/or..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Objective lens drive device, and disk recording and/or... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3588863