MEDIA CONTROLLER SYSTEM

PROBLEM TO BE SOLVED: To increase the reliability of stored information and to use a medium equally before and after it is extracted by providing a file managing mechanism and a reliability control mechanism in a DVD-RAM control mechanism called a center controller and adopting a hierarchical struct...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGUCHI MUNEAKI, HARUNA KOICHI, SUZUKI NORIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To increase the reliability of stored information and to use a medium equally before and after it is extracted by providing a file managing mechanism and a reliability control mechanism in a DVD-RAM control mechanism called a center controller and adopting a hierarchical structure together with a connecting mechanism. SOLUTION: In the center controller 3, a connection interface 10 receives commands from a CP 1 and passes them to a file controller 11. The controller 11 interprets a command from the PC 1, retrieves the storage location of data, and passes information indicating the data storage position to a RAID controller 12 to instruct it to obtain the data. The RAID controller 12 judges the module box and media where the data are stored by using the information and sends a command for sending the data. The instructed module box loads the corresponding media in a DVD-RAM drive to read the data out.