| 摘要 |
PROBLEM TO BE SOLVED: To retrieve a divided file at high speed for each recording time when reading the file and to partially delete unnecessary information from a memory region. SOLUTION: The device for recording arbitrary information and making it into divided file, is provided with a storage device 3 having prescribed capacity for recording information Din on a prescribed memory region, an operation means 4 to be operated for setting a recording time unit for dividing the memory region into divided files #1, #2, #3, etc., and a controller 5 controlling the read/write of the storage device 3 on the basis of the recording time unit set by the operation means 4 and the controller 5 records the information Din for each of memory regions comprising the divided files #1, #2, #3, etc., divided by the recording time unit.
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