07519119 cites 7 patents.

The present invention relates to method and apparatus of converting a series of data words into modulated signals. This method divides a data word, which a sync signal is to be added in front or rear of when it is written in a recording medium, into two or more word segments, generates for each word segment a number of intermediate sequences by combining mutually different digital words with that word segment, scrambles these intermediate sequences to form alternative sequences, translates each alternative sequence into a (d,k) constrained sequence, checks how many undesired sub-sequences are contained in each (d,k) constrained sequence, and selects one (d,k) constrained sequence for recording on an optical or magneto-optical recording medium among the (d,k) constrained sequences not having the undesired sub-sequence. Applying this method to a modulating device, DSV control can be conducted by much simpler hardware.

Title
Method and apparatus of converting a series of data words into a modulated signal
Application Number
10/971025
Publication Number
7519119 (B2)
Application Date
October 25, 2004
Publication Date
April 14, 2009
Inventor
Jin Yong Kim
Kyunggi-do
KR
Sang Woon Seo
Seoul
KR
Seong Keun Ahn
Seoul
KR
Kees A Schouhamer Immink
Geldrop
NL
Agent
Birch Stewart Kolasch & Birch
Assignee
LG Electronics
KR
IPC
H04B 14/04
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