Optical information recording disk and optical information...

Details Optical information recording disk and optical information... Optical information recording disk and optical information...

G - Physics

11

B

352/32.1

G11B 7/007 (2006.01) G11B 7/013 (2006.01) G11B 7/14 (2006.01) G11B 20/10 (2006.01) G11B 27/10 (2006.01) G11B 27/30 (2006.01)

Patent

CA 1300261

ABSTRACT OF THE DISCLOSURE An optical information recording disk and optical information recording disk apparatus which increase the recording capacity of data recorded on the disk, and are capable of fast recording and reproduction. Logical tracks are arranged by sequentially merging physical tracks start- ing at the inner portion of the disk and physical tracks starting at the outer portion, and the number of sectors on corresponding tracks recorded at a constant linear density is invariably constant on the basis of the relation of arithmetical series. Consequently, the inventive system, despite of the MCAV system of constant disk speed, achieves track access and fast data transfer comparable with the conventional CAV system.

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