Method for optically recording information and device for...

Details Method for optically recording information and device for... Method for optically recording information and device for...

2005-12-13

2005-12-13

Huber, Paul W. (Department: 2653)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S053160, C369S053270, C369S059120

Reexamination Certificate

active

06975571

ABSTRACT:
A method by which, in an optical disk recording and reproducing device, the time required for a test recording performed prior to an actual information recording can be reduced according to characteristics of an optical disk. A random pattern signal is transmitted from a random pattern signal generating circuit3and recorded on a test track on an optical disk1, and a bit error rate of a reproduction signal is measured. Only when a value of the bit error rate is not less than a fixed value, test pattern signals are transmitted from a test pattern signal generating circuit4and recorded. An edge timing of a reproduction signal is measured by an edge timing detecting circuit13. Based on a result of the measurement, edge positions of a front-end pulse and a back-end pulse are corrected.

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