Coded data generation or conversion – Digital code to digital code converters – To or from run length limited codes
Reexamination Certificate
2005-08-16
2005-08-16
Tokar, Michael (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from run length limited codes
C341S058000, C341S060000
Reexamination Certificate
active
06930619
ABSTRACT:
A method of and an apparatus for modulating data to be resistant to channel distortion. A space extending encoder performs a first code transformation to extend a run length of digitized data to a predetermined length and outputs the space-extended data. A multiplexer multiplexes the space-extended data and data transformed by a predetermined second code transformation. A format converter converts the multiplexed data into a predetermined format which is suitable for writing to a recording medium. The apparatus and method enable recorded data to be resistant to channel distortion, enable the data to be recorded with increased recording density, and enable the data written to the recording medium to be reproduced with improved reliability.
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Kim Ki-hyun
Ko Jung-wan
Lee Kyung-geun
Park Hyun-soo
Shim Jae-seong
Nguyen Linh V.
Stein, McEwen & Bui LLP
Tokar Michael
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