DATA RECORDING DEVICE, DATA RECORDING METHOD, AND COMPUTER PROGRAM

DATA RECORDING DEVICE, DATA RECORDING METHOD, AND COMPUTER PROGRAM

A space area in a partition of a disc is managed according to the prohibition of a ROM standard that a space bitmap descriptor (SBD) is not recorded. SBD is recorded when the disc is initialized, and an overwrite is executed in a partition in a device using SBD. When the disc is taken out, pointer i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ARIDOME, KENICHIRO, MAEDA, TETSUHIRO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:A space area in a partition of a disc is managed according to the prohibition of a ROM standard that a space bitmap descriptor (SBD) is not recorded. SBD is recorded when the disc is initialized, and an overwrite is executed in a partition in a device using SBD. When the disc is taken out, pointer information to SBD recorded to a partition descriptor (PD) is backupped to a SBD pointer information save file/or save data and then the pointer information is deleted. When the disc is recognized, the existence of the save file/data is confirmed, and SBD is restored.