Optical disk apparatus

Details Optical disk apparatus Optical disk apparatus

2007-10-23

2010-11-09

Tran, Thang V (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S053260, C369S116000

Reexamination Certificate

active

07830762

ABSTRACT:
A laser power which is lower than an optimum reproduction laser power is set as an initial value. The reproduction laser power is increased from the initial value while trial reproduction is performed until a quality level of a reproduction signal is not lower than a reference level. At the time the quality level of the reproduction signal is not lower than the reference level, the reproduction laser power is set as the reproduction laser power with respect to an optical disk which is of a reproduction target.

REFERENCES:
patent: 2002/0114250 (2002-08-01), Fujimoto et al.
patent: 2004/0017736 (2004-01-01), Suzuki et al.
patent: 2005/0117507 (2005-06-01), Hwang et al.
patent: 2003-228840 (2003-08-01), None

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