Method and apparatus of modulating/demodulating data for an...

Details Method and apparatus of modulating/demodulating data for an... Method and apparatus of modulating/demodulating data for an...

2006-03-21

2006-03-21

Huber, Paul W. (Department: 2653)

Dynamic information storage or retrieval

Binary pulse train information signal

Having specific code or form generation or regeneration...

C369S124040

Reexamination Certificate

active

07016287

ABSTRACT:
The present invention relates to method and apparatus for suppressing a DC component of coded sequence with no additional bit for suppressing a DC component, and for decoding the coded sequence. The present modulating method includes modulating the source data to a coded data based on at least one mapping table, the mapping table including a first table and a second table containing coded data corresponding to the source data, the first table being a 2/3 table containing 3-bit coded data for 2-bit source data, and the second table being a 4/6 table containing 6-bit coded data for 4-bit source data, wherein one of the first table and the second table is selected according to a bit sequence of the source data; and recording the coded data onto the optical recording medium.

REFERENCES:
patent: 5638064 (1997-06-01), Mori et al.
patent: 5923629 (1999-07-01), Noxon et al.
patent: 6014094 (2000-01-01), Hayashiyama et al.
patent: 6195778 (2001-02-01), Tran

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