Optical information reproducing apparatus

Details Optical information reproducing apparatus Optical information reproducing apparatus

1990-03-29

1991-10-01

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 47, 369 58, 371 572, 371 65, G11B 2010, G11B 2012, G06F 1100, G06K 504

Patent

active

050540173

ABSTRACT:
In the reproduction of data from one of N-frame sectors of an optical disk, data marks representing the front ends of the respective frames of a desired sector are detected and counted. When the number of the data marks is more than a predetermined value M (1<M.ltoreq.N), the reproduced data is accepted. Hence, the data accuracy can be ensured and the operating reliability of a data reproducing apparatus can be improved.

REFERENCES:
patent: 4835758 (1989-05-01), Fujishima
patent: 4888780 (1989-12-01), Imazu

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