Optical disk, recording method and apparatus for canceling inter

Details Optical disk, recording method and apparatus for canceling inter Optical disk, recording method and apparatus for canceling inter

1997-07-01

2000-02-08

Young, W. R.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 48, 36912402, 3692753, 3692754, G11B 700

Patent

active

060234474

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 make 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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