Method and apparatus for determining writing power for...

Details Method and apparatus for determining writing power for... Method and apparatus for determining writing power for...

2006-10-10

2010-11-23

Chow, Van N (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S047320

Reexamination Certificate

active

07839738

ABSTRACT:
A method and apparatus for determining an optimal writing power for recording data on a recording medium such as an optical disk, are discussed. The method according to an aspect of the present invention includes (a) performing an optimal power calibration (OPC) operation on a first area of the recording medium, and detecting a first writing power based on the OPC operation performed on the first area; (b) performing an OPC operation on a second area of the recording medium after erasing data on the second area, and detecting a second writing power based on the OPC operation performed on the second area; and (c) determining an optimal writing power for recording data on the recording medium based on the detected first and second writing powers.

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patent: 2005/0068869 (2005-03-01), Sugiyama et al.
patent: 2010/0020653 (2010-01-01), Kobayashi et al.

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