WRITE-ONCE OPTICAL DISK METHOD AND DEVICE FOR RECORDING/DISPLAYING MANAGEMENT DATA ON/ FROM OPTICAL DISK Russian patent published in 2009 - IPC G11B7/00

Abstract RU 2361290 C2

FIELD: information technologies.

SUBSTANCE: invention relates to high-density write-once optical disk and in particular to method and device for recording management data on optical disk. Disk consists of at least one recording layer, a quantity of temporary defect management areas (TDMA) on at least one mentioned recording layer and a quantity of defect management areas (DMA) on at least one mentioned recording layer. At least one of the mentioned TDMA comprises first and second indicators. First indicator specifies which TDMA is in use and second indicator specifies if medium is secure.

EFFECT: identification data of used TDMA and management information are quickly obtained and this increases write-once optical disk efficiency.

31 cl, 17 dwg

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RU 2 361 290 C2

Authors

Park Jong Cheol

Dates

2009-07-10—Published

2004-08-04—Filed