Optical disk, optical disk apparatus, recording method for optic

Details Optical disk, optical disk apparatus, recording method for optic Optical disk, optical disk apparatus, recording method for optic

1999-10-27

2000-07-18

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 59, 369 48, G11B 724

Patent

active

060917016

ABSTRACT:
A servo circuit performs tracking control such that the center of scanning is positioned at the center between the track from which data is reproduced and the track immediately before. Then, the beam spot scans the track from which data is to be reproduced and the immediately preceding track at the same time, and a reproduction signal made by inter-code interference between these two tracks is output. A constant relationship is maintained between data specified only by the pit or mark formed on one track and the data specified only by the pit or mark made on the former adjacent track. In this way, pits or marks are formed such that inter-code interference is canceled during reproduction.

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