DATA RECORDING DEVICE AND MERCHANDISE HANDLING APPARATUS HAVING SAME

PROBLEM TO BE SOLVED: To provide a data recording device and a merchandise handling apparatus therewith that, even upon a power interruption during an operation of file writing or the like, can protect a FAT and directory information and restore the state just before the execution of the file operat...

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Bibliographische Detailangaben
Hauptverfasser: KAGATSUME HIDETAKA, HASHIGUCHI NOBUKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a data recording device and a merchandise handling apparatus therewith that, even upon a power interruption during an operation of file writing or the like, can protect a FAT and directory information and restore the state just before the execution of the file operation when rebooted. SOLUTION: The data recording device, which records file data, a FAT and directory information in a FAT file system on a recording medium, before updating the FAT and directory information, backs up the FAT and directory information to be updated, in a backup area ensured in a nonvolatile memory. COPYRIGHT: (C)2006,JPO&NCIPI