Information recording method and information...

Data processing: database and file management or data structures – Data integrity – Policy – rule-based management of records – files – and documents

Reexamination Certificate

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C707S640000

Reexamination Certificate

active

07840541

ABSTRACT:
This invention has for its object to eliminate failure of correct recording on a recording medium in an on-vehicle audio recording/reproduction device due to an instantaneous power cut-off or the like. In order to achieve this object, a file system is used for managing files hierarchically by using files having information and a directory as a storage place of a plurality of files so that predetermined information is recorded in a work sector for backup before performing the primary recording. The work sector is selected from a work sector area having a plurality of sectors and the work sector has recorded the number of mountings of the file system. Thus, an optimal work sector is used for data recovery.

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Notification of Transmittal of Translation of the International Preliminary Report on Patentability (Form PCT/IB/338) of International Application No. PCT/JP2005/006366 mailed Oct. 26, 2006 with Forms PCT/IB/373 and PCT/ISA/237.

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