Pre-pit signal generator compensating a pre-pit signal...

Details Pre-pit signal generator compensating a pre-pit signal... Pre-pit signal generator compensating a pre-pit signal...

2006-07-11

2006-07-11

Klimowicz, William J (Department: 2652)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044360

Reexamination Certificate

active

07075864

ABSTRACT:
A recording and playback apparatus comprises, a drive unit configured to rotate an optical recording medium including a recording track, a recording and playback unit configured to irradiate a light beam on the recording track, and to perform recording and playback of an information detected a reflected light beam by an upside photo detection area and a downside photo detection area bisected in a tangential direction of the recording track, and a recording and playback controller configured to generate a position tracking signal based on the reflected light beam detected by the upside photo detection area and the downside photo detection area, and to compensate a level of the position tracking signal when the position tracking signal and a record mark on the recording track are detected.

REFERENCES:
patent: 5638354 (1997-06-01), Nakayama et al.
patent: 5978327 (1999-11-01), Kuroda et al.
patent: 6456574 (2002-09-01), Kato
patent: 9-17029 (1997-01-01), None
patent: 2000-113463 (2000-04-01), None
patent: 2001291256 (2001-10-01), None

Affiliated with

Also associated with

Rating

Pre-pit signal generator compensating a pre-pit signal... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pre-pit signal generator compensating a pre-pit signal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pre-pit signal generator compensating a pre-pit signal... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3581813