Disk apparatus and disk reproducing method

Details Disk apparatus and disk reproducing method Disk apparatus and disk reproducing method

2005-12-13

2005-12-13

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

C341S059000, C341S056000, C360S065000

Reexamination Certificate

active

06975252

ABSTRACT:
A disk apparatus has a reading unit which reads reflection light from a disk and outputting a read signal, an identifying unit which identifies whether the read signal has been modified in accordance with a first modulation rule or has been modulated in accordance with a second modulation rule and outputs an identification signal, an equalizing unit which applies a waveform equalizing process to the read signal, and a decoding unit which carries out likelihood decoding of the waveform equalized read signal according to the modulation rule indicated by the identification signal from the identifying unit, and outputs a reproduction signal.

REFERENCES:
patent: 4566044 (1986-01-01), Langdon et al.
patent: 5781130 (1998-07-01), McLaughlin et al.
patent: 5956195 (1999-09-01), Brickner et al.
patent: 6035435 (2000-03-01), Shih et al.
patent: 6362754 (2002-03-01), Van Dijk et al.
patent: 6384747 (2002-05-01), Reed et al.
patent: 6714144 (2004-03-01), Reed et al.
patent: 2004/0133843 (2004-07-01), Yamakawa
patent: 9-17130 (1997-01-01), None
patent: 2002-344331 (2002-11-01), None

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