Optical disc having positive marks and negative marks in a...

Details Optical disc having positive marks and negative marks in a... Optical disc having positive marks and negative marks in a...

2005-05-24

2005-05-24

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

Reexamination Certificate

active

06898175

ABSTRACT:
An optical disc is provided having marks for dispersed addresses that can be easily detected with high precision. A dispersed address includes synchronization marks, positive marks, and negative marks. The synchronization marks, positive marks, and negative marks are formed along a groove as partial discontinuities or partial modifications in the wobbled groove.

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