Optical information recording disk and optical information recor

Details Optical information recording disk and optical information recor Optical information recording disk and optical information recor

1987-12-21

1989-10-10

Stephan, Steven L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

360 48, 360 51, 369 44, 369 50, 369 93, 369284, G11B 7007

Patent

active

048736791

ABSTRACT:
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 starting 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.

REFERENCES:
patent: 4357635 (1982-11-01), Hasegawa
patent: 4641294 (1987-02-01), Yoshimaru
patent: 4789975 (1988-12-01), Taniyama
patent: 4799112 (1989-01-01), Bremmer et al.

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