Writing data to an optical disc

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel

Reexamination Certificate

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C369S053360

Reexamination Certificate

active

07428196

ABSTRACT:
When writing data to an optic disc with a constant linear velocity, and encountering a disc error, data is written into the defect management area of the disc without changing the rotational speed of the disc, or at least without changing the rotational speed of the disc sufficiently to maintain a constant linear velocity. This allows an increase in the rate at which data may be written to the optical disc. It also avoids or reduces the need for the rotational speed of the disc to be changed, which allows a further improvement in the time taken to write data to the disc. In order to continue writing data to the disc without changing the rotational speed, the data rate must be increased while writing to the defect management area. For this to be possible, the data must be written into an “iced” or unformatted part of the defect management area.

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patent: 6434100 (2002-08-01), Usui
patent: 6771575 (2004-08-01), Park et al.
patent: 7242642 (2007-07-01), Endo et al.
patent: 2001/0043539 (2001-11-01), Kuribayashi et al.
patent: 798710 (1997-10-01), None
patent: 1176586 (2002-01-01), None

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