Demodulation table, demodulating device and demodulating...

Details Demodulation table, demodulating device and demodulating... Demodulation table, demodulating device and demodulating...

2006-11-09

2009-02-03

Nguyen, Linh V (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from run length limited codes

C341S065000, C341S067000, C341S068000, C341S069000, C341S106000

Reexamination Certificate

active

07486209

ABSTRACT:
A demodulation table for converting variable length code (d, k; m, n; r) is provided. The variable length code has a maximum constraint length r>1, has a minimum run of d (d>0), has a maximum run of k, and a basic codeword length of n bits into data having a basic data length of m bits. The demodulation table includes: a basic table for converting code patterns composed of basic codes having a basic codeword length of n bits into data patterns composed of basic data having a basic data length of m bits; and a substitution table for converting code patterns of a plurality of different minimum run successive occurrence limiting patterns determined so as to limit successive occurrences of the minimum run to a maximum of N (N>1) times into a corresponding identical data pattern.

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U.S. Appl. No. 11/556,946, filed Nov. 6, 2006, Nakagawa.

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