Information recording processing apparatus, information...

Details Information recording processing apparatus, information... Information recording processing apparatus, information...

2007-12-11

2007-12-11

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from minimum d.c. level codes

C341S059000

Reexamination Certificate

active

11490694

ABSTRACT:
An information recording processing apparatus includes a modulating portion operable to modulate write data on an information recording medium and to create code data thereby; and a DC level calculating portion operable to calculate a DC level corresponding to a given run length based on a coefficient defined in accordance with the run length of a component bit of the code data, wherein DC-controlled code data is created or selected based on a DC level addition result based on the DC level corresponding to the given run length, and the created or selected data is defined as write data onto the information recording medium.

REFERENCES:
patent: 5506581 (1996-04-01), Ino et al.
patent: 6853319 (2005-02-01), Ren
patent: 6982660 (2006-01-01), Nakagawa et al.
patent: 2004/0130467 (2004-07-01), Nakagawa et al.

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