Optical disk with prerecorded control information

Details Optical disk with prerecorded control information Optical disk with prerecorded control information

2006-05-02

2006-05-02

Edun, Muhammad (Department: 2656)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S047460, C369S047360, C369S053440

Reexamination Certificate

active

07038997

ABSTRACT:
An optical disk has a central axis and a major face extending in a radial direction from the central axis. The optical disk is rotatable around the central axis at an angular velocity and is formed with a recording layer on the major face. The recording layer is optically recordable with information and is formed with a track area containing tracks which are arranged at a predetermined track pitch in the radial direction and which are accessable by an optical beam to read or write information while the tracks move at a linear velocity relative to the optical beam. The recording layer is preliminarily recorded with control information indicative of the predetermined track pitch and/or either of a predetermined linear velocity of the tracks or a predetermined angular velocity of the disk. The control information is readily readable from the recording layer to facilitate the accessing of the tracks by the optical beam.

REFERENCES:
patent: 6201784 (2001-03-01), Maeda
patent: 6212143 (2001-04-01), Teshirogi et al.
patent: 2000-260078 (2000-09-01), None

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