Optical-disk device and record-control method with...

Details Optical-disk device and record-control method with... Optical-disk device and record-control method with...

2011-01-25

2011-01-25

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S275300

Reexamination Certificate

active

07876658

ABSTRACT:
An optical-disk device includes a record unit recording data onto an optical disk, and a management-information-record unit configured to additionally write the latest disk-management information about the optical disk in management-information-record areas provided on the optical disk. When a first area of the management-information-record areas is short of a vacant area used to additionally write the disk-management information, the management-information-record unit records padding data in an unrecorded area of the first area, and additionally writes the disk-management information in a second area of the management-information-record areas, and wherein when the first area includes an unrecordable area where the disk-management information can be additionally written with difficulty, the management-information-record unit stops additionally writing the disk-management information in the first area, and additionally writes the disk-management information in the second area.

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patent: 7570557 (2009-08-01), Kim
patent: 2006/0007801 (2006-01-01), Takashima
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patent: 2008/0304377 (2008-12-01), Nakamura
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patent: 2008/0304382 (2008-12-01), Nakamura
patent: 2006-24287 (2006-01-01), None

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