Method for controlling defect of optical disk, optical disk recording device, and optical disk reproducing device

An optical disc recording apparatus (1) includes a system control unit (14) that judges whether main information and sub information which is recorded by being superimposed on said main information, relocates and records the main information or the sub information, or the main information and the su...

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Bibliographic Details
Main Author NAGAI TAKAHIRO,YAMAOKA MASARU,YUMIBA TAKASHI
Format Patent
LanguageEnglish
Published 28.02.2007
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:An optical disc recording apparatus (1) includes a system control unit (14) that judges whether main information and sub information which is recorded by being superimposed on said main information, relocates and records the main information or the sub information, or the main information and the sub information in a replacement area, when it is judged to be a defective area, and registers information in a defect management area in the optical disc, the information associating the defective area with the replacement area to which said defective area is relocated.
Bibliography:Application Number: CN2002807444