Optical recording disk having land and groove continuously alter

Details Optical recording disk having land and groove continuously alter Optical recording disk having land and groove continuously alter

1998-03-31

2000-05-16

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, G11B 724

Patent

active

060646438

ABSTRACT:
A first-half header portion constituted by a first header portion whose VFO portion as long repeated data is arranged at the start and a second header portion whose VFO portion as short repeated data is arranged at the start is used as the header portion of each of land sectors arranged in a predetermined number along a spiral track. A second-half header portion constituted by a third header portion whose VFO portion as long repeated data is arranged at the start and a fourth header portion whose VFO portion as short repeated data is arranged at the start is used as the header portion of each of groove sectors arranged in a predetermined number along a spiral track. These land and groove sectors are continuously alternated in units of spiral tracks.

REFERENCES:
patent: 5724338 (1998-03-01), Birukawa et al.
patent: 5754506 (1998-05-01), Nagasawa et al.
patent: 5872767 (1999-02-01), Nagai et al.

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