Optical pickup

Details Optical pickup Optical pickup

2005-04-27

2008-07-08

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044210

Reexamination Certificate

active

07397733

ABSTRACT:
A lens holder is provided with a focusing coil for urging the lens holder in a focusing direction and tracking coils for urging the lens holder in a tracking direction in cooperation with magnets. A magnet is disposed in a space where the focusing coil and the tracking coil are opposed to each other in a through hole of the lens holder, such that a magnetized surface on one surface side of the magnet is opposed to the focusing coil and a magnetized surface on the other surface side thereof is opposed to the tracking coil.

REFERENCES:
patent: 5726968 (1998-03-01), Blankers et al.
patent: 7196978 (2007-03-01), Iida et al.
patent: 2003/0202435 (2003-10-01), Nakagawa et al.
patent: 2004/0190403 (2004-09-01), Nakamura et al.
patent: 62-63824 (1987-04-01), None
patent: 1-192024 (1989-08-01), None
patent: 10-334486 (1998-12-01), None
patent: 2000-57600 (2000-02-01), None
patent: WO03/067583 (2003-08-01), None

Affiliated with

Also associated with

Rating

Optical pickup does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical pickup, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical pickup will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3969491