Information recording medium, integrated circuit,...

Details Information recording medium, integrated circuit,... Information recording medium, integrated circuit,...

2011-06-21

2011-06-21

Chow, Van N (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044260

Reexamination Certificate

active

07965592

ABSTRACT:
An optical disk suppressing the time required for a startup of a recording/playback apparatus from unduly increasing, even when there is (i) one type of disk where information is recorded on a groove track, and (ii) another type of disk where information is recorded on a land track. Both types of optical disks having a control data area, and a data recording area in which user data is recorded. A code for indicating the groove track or the land track onto which tracking servo control is executed is provided in the control data area of both types of optical disks.

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