Optical disk having a continuous recording track formed of alter

Details Optical disk having a continuous recording track formed of alter Optical disk having a continuous recording track formed of alter

1997-02-12

1998-12-08

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, G11B 724

Patent

active

058480501

ABSTRACT:
In an optical disk having information recording tracks of lands and grooves, the grooves are wobbled in a radial direction of the disk so as to represent rotation information and sector management information, at least one pair of a wobbling part and an unwobbling part arranged one after another are provided every revolution, such that the wobbling parts in the grooves next to each other do not overlap in the radial direction of the disk. Since the wobble parts in the grooves next to each other do not overlap in the radial direction, the wobble data can be obtained regardless of whether a beam spot is tracing a land track or a groove track, and even in a data part of each sector.

REFERENCES:
patent: 5268887 (1993-12-01), Honguh et al.
patent: 5270998 (1993-12-01), Uchiumi
patent: 5377178 (1994-12-01), Saito et al.
patent: 5448551 (1995-09-01), Miyagawa et al.
patent: 5448552 (1995-09-01), Onagi
patent: 5481530 (1996-01-01), Ueda et al.
patent: 5493552 (1996-02-01), Kobori
patent: 5615185 (1997-03-01), Horikiri
patent: 5615205 (1997-03-01), Belser

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