DISK-LIKE RECORDING MEDIUM AND RECORDING AND REPRODUCING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an information recording and reproducing system of high reliability and a large capacity by which stable signal quality is secured and stable reproduction can be performed in all of recording positions on inner and outer peripheries.

SOLUTION: The recording region of the disk-like recording medium 1 is compartmentalized to a plurality of zones 2a to 2f sequentially contiguous with each other in a radial direction and clocks for recording and reproducing are assigned for each of the respective zones 2a to 2f. The recording/reproducing of data are performed by the clocks assigned for each of the respective zones 2a to 2f.

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