Information reproducing method judging a multivalued level...

Details Information reproducing method judging a multivalued level... Information reproducing method judging a multivalued level...

2006-07-25

2006-07-25

Patel, Gautam R. (Department: 2656)

Dynamic information storage or retrieval

Binary pulse train information signal

Having specific code or form generation or regeneration...

C369S030850, C369S124020

Reexamination Certificate

active

07082091

ABSTRACT:
A mark representing information of a multivalued level is recorded in each of cells arranged in a recording medium. Upon reproducing the multivalued level from a reproduction signal of the recording medium, the multivalued level of a present cell is judged by referring to a judged multivalued level of a preceding cell preceding the present cell or an ensuing cell ensuing the present cell, or by referring to the judged multivalued levels of both the preceding cell and the ensuing cell.

REFERENCES:
patent: 3713140 (1973-01-01), Meslener
patent: 5270714 (1993-12-01), Tanaka et al.
patent: 5546369 (1996-08-01), Lee et al.
patent: 6693872 (2004-02-01), Brewen et al.
patent: 5-54391 (1993-03-01), None

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