Encoding circuit and decoding circuit

Details Encoding circuit and decoding circuit Encoding circuit and decoding circuit

1996-08-20

1998-04-14

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from run length limited codes

341106, H03M 714

Patent

active

057397791

ABSTRACT:
Several different types of look-up tables are available in the present invention. That is, one look-up table is selected for each m-bit dataword according to the number of consecutive 0's at lower digits, which include a lowermost digit, of the n-bit codeword preceding thereto and the encoding is performed by using the selected look-up table. Furthermore, the bit-pattern at the lower digits, which include a lowermost digit, of a current n-bit codeword is replaced according to the number of consecutive 0's at upper digits, which include an uppermost digit, of the n-bit codeword following thereafter.

REFERENCES:
patent: 5508701 (1996-04-01), Nose et al.
patent: 5600315 (1997-02-01), Shimpuku et al.

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