Writing method and optical disk device

Details Writing method and optical disk device Writing method and optical disk device

2006-08-15

2009-10-06

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S053270

Reexamination Certificate

active

07599267

ABSTRACT:
An objective of the present invention is to enhance reliability of recorded data by preventing deterioration of OPC (Optimum Power Calibration) accuracy due to an influence of inter-layer interference in an optical disk device capable of writing in a multilayer optical disk. Aiming at the objective, a relationship between asymmetry and a signal modulation depth, which are measured by use of a standard driver is referred, and thereby an offset caused by a device, a disk, a writing state of another layer and the like is compensated. Thus, OPC is executed.

REFERENCES:
patent: 2001/0043529 (2001-11-01), Minemura et al.
patent: 2003/0039188 (2003-02-01), Fukuchi et al.
patent: 2006/0227670 (2006-10-01), Terao et al.
patent: 6-139574 (1994-05-01), None
patent: 2000-306241 (2000-11-01), None

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