DATA RECORDER, MEDIUM AND INFORMATION AGGREGATE

摘要

PROBLEM TO BE SOLVED: To solve the problem that in a conventional data recorder, the access of its recording and reproducing head is concentrated to a specific position on a recording medium and it affects the service life of the storage medium. SOLUTION: This data recorder 1 allocates a ring buffer area 7 of specific size to the entire recording area 6 of the recording medium 2 and a subordinate recording area is reallocated to the whole or part of the storage area 7 on the recording medium 2 for a specific period or in specific timing.