Optical disk having synchronous marks and data marks to satisfy

Details Optical disk having synchronous marks and data marks to satisfy Optical disk having synchronous marks and data marks to satisfy

1996-08-19

1997-05-13

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, 369 13, G11B 724

Patent

active

056299249

ABSTRACT:
An optical disk having a recording format for a sampled servo system and including a servo field which is preformatted, including synchronous marks for synchronizing detection, and a data field for recording data on each track. The length of the synchronous mark is defined to render the detection of the synchronous pattern possible by making it easily distinguishable from the maximum inversion interval in the data even if the optical disk is of the constant-linear-velocity (CLV) type.

REFERENCES:
patent: 4523304 (1985-06-01), Satoh et al.
patent: 5381397 (1995-01-01), Okada
patent: 5418770 (1995-05-01), Ide et al.

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