Write-once optical disc, and method and apparatus for...

G - Physics – 11 – B

Patent

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G11B 7/00 (2006.01) G11B 20/10 (2006.01)

Patent

CA 2534984

A write-once optical disc, and an apparatus and method for recording management information on the optical disc are provided. The disc includes at least one recording layer, a plurality of temporary defect management areas (TDMAs) on the at least one recording layer, and a plurality of defect management areas (DMAs) on the at least one recording layer. At least one of the TDMAs includes first and second indicators. The first indicator indicates which TDMA is an in-use TDMA, and the second indicator indicates whether or not the recording medium is closed.

L'invention concerne un disque optique à lecture unique, ainsi qu'un dispositif et un procédé pour des informations de gestion d'enregistrement sur un disque optique. Le disque comprend au moins une couche d'enregistrement, une pluralité de zones de gestion de défauts temporaires (TDMA) sur la couche d'enregistrement (au moins au nombre de une), ainsi qu'une pluralité de zones de gestion de défauts (DMA) sur la couche d'enregistrement (au moins au nombre de une). Au moins une des TMDA comprend un premier et un second indicateur. Le premier indicateur indique la TMDA qui est une TMDA en service et le second indicateur indique si le support d'enregistrement est fermé ou non.

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