Optical disc recording method and optical disc drive

Details Optical disc recording method and optical disc drive Optical disc recording method and optical disc drive

2005-10-11

2005-10-11

Miller, Brian E. (Department: 2652)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

C369S047110, C369S053260

Reexamination Certificate

active

06954411

ABSTRACT:
Because a series of data is recorded continuously, the recording quality of data recorded in course of recording cannot be evaluated. Accordingly, the laser output cannot be controlled properly and there are a deterioration and dispersion of the recording quality. Further, when the recording lasts for a long time, the temperature in the vicinity of laser rises due to the heat from the inside of a disc drive and the recording quality is deteriorated.To solve this, a series of data to be recorded is split and recording is made intermittently in a split data unit. The recording quality is evaluated by reproducing the data recorded nearby before each split data is recorded using a duration and control is performed by reflecting the evaluation result in the laser output so that the recording quality can be maintained satisfactorily over a series of the whole data to be recorded. Further, control is performed so that good recording quality can be maintained even in the recording that lasts for a long time by stopping the function of each part that ought to be operated even at recording or reproduction inside the disc drive in the duration, thereby suppressing a temperature rise.

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patent: 05205270 (1993-08-01), None
patent: 2001-034947 (2001-02-01), None
Translation of JP 05205270 A.

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