Optical disc recording and playback apparatus

Details Optical disc recording and playback apparatus Optical disc recording and playback apparatus

2006-07-04

2006-07-04

Tran, Thang V. (Department: 2656)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S047320, C369S044250

Reexamination Certificate

active

07072263

ABSTRACT:
A pickup control circuit (5) for performing a control operation of an optical pickup (3) and an error detection circuit (14) for detecting an error signal from a servo signal obtained from the pickup control circuit (5) are provided. During an operation to change to a faster recording speed, a playback operation for an already recorded signal is performed at the recording speed after the change, and an error detection level is set on the basis of characteristics of the servo signal in the playback operation state.

REFERENCES:
patent: 5737481 (1998-04-01), Gushima et al.
patent: 2001/0053112 (2001-12-01), Matsui
patent: 2002/0150011 (2002-10-01), Tsukihashi et al.
patent: 2003/0058761 (2003-03-01), Hanamoto et al.
patent: 2003/0095482 (2003-05-01), Hung et al.
patent: 2003/0117912 (2003-06-01), Yoshimi et al.

Affiliated with

Also associated with

Rating

Optical disc recording and playback apparatus 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 disc recording and playback apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical disc recording and playback apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3599577