| 摘要 |
PROBLEM TO BE SOLVED: To obtain a record medium capable of recording/reproducing other information individually for users while allowing a plenty of duplication of the large amount of prescribed information in a short time at a low cost, and to obtain a disk device capable of operating the information in this recording medium. SOLUTION: In this device, a disk-like recording medium 1 provided with a magnetic track 9 and a track 5 exclusively used for reproduction is attachably/detachably formed, and the device is furnished with a reproducing head part 11 for reproducing the information recorded on the track 5 exclusively used for reproduction, a magnetic head part 10 for recording/reproducing the information to the magnetic track 9, a head positioning mechanism part 16 for positioning the reproducing head part 11 and the magnetic head part 10, and a control part 26 capable of operating the reproducing head part 11 and the magnetic head part 10.
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