Recording and/or reproducing apparatus with optical pickup...

Details Recording and/or reproducing apparatus with optical pickup... Recording and/or reproducing apparatus with optical pickup...

2005-01-13

2008-12-16

Edun, Muhammad N. (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044140, C369S044160

Reexamination Certificate

active

07466635

ABSTRACT:
A recording/reproducing apparatus and an optical pickup actuator, and corresponding methods, for driving a bobbin in a focusing direction, a tracking direction or a tilting direction by use of a magnetic driving unit movably supported by a support member, where an object lens is mounted on the bobbin and a plurality of slits are formed on side walls of the bobbin. According to embodiments of the present invention, a secondary resonant frequency and a value of a secondary resonant peak are increased, thereby improving a gain margin.

REFERENCES:
patent: 7073185 (2006-07-01), Shimada et al.
patent: 63-99321 (1988-06-01), None
patent: 63-168844 (1988-07-01), None
patent: 63-168845 (1988-07-01), None
patent: 04-325931 (1992-11-01), None
patent: 4-325931 (1992-11-01), None
patent: 9-134535 (1997-05-01), None
patent: 63-99321 (1998-06-01), None
patent: 2002-358675 (2002-12-01), None
patent: 2003-223730 (2003-08-01), None
patent: 2002-47190 (2002-06-01), None
Chinese First Office Action Dated Jun. 1, 2006.
Korean Office Action for Application 10-2004-0002252.

Affiliated with

Also associated with

Rating

Recording and/or reproducing apparatus with 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 Recording and/or reproducing apparatus with optical pickup..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recording and/or reproducing apparatus with optical pickup... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4051728