Variable-length encoded data decoding apparatus and decoding...

Details Variable-length encoded data decoding apparatus and decoding... Variable-length encoded data decoding apparatus and decoding...

2006-12-12

2006-12-12

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

C341S050000

Reexamination Certificate

active

07148820

ABSTRACT:
A variable-length encoded data decoding apparatus comprises: a common bit pattern length storing unit storing the bit lengths of common bit patterns that respectively correspond to groups, when codewords, whose bit lengths exclusive of the common bit patterns on the MSB sides are equal to or less than a predetermined value, among all of used codewords are classified into the groups in correspondence with the respective common bit patterns; a decoding table storing unit storing a table for storing the bit length and decoded data of a codeword in correspondence with the codeword within each of the groups; and an encoded data decoding unit decoding input variable-length encoded data by using the contents stored in the common bit pattern length storing unit, and the decoding table storing unit.

REFERENCES:
patent: 2001/0054973 (2001-12-01), Kobayashi
patent: 2002/0061063 (2002-05-01), Otto
patent: 5-183443 (1993-07-01), None
patent: 6-53840 (1994-02-01), None
patent: 6-61870 (1994-03-01), None
patent: 6-326616 (1994-11-01), None
patent: 8-316847 (1996-11-01), None
Notice of Rejection Grounds for corresponding Japanese Application No. 2002-111622 dated Feb. 28, 2006.
Decision to Rejection for corresponding Japanese Application No. 2002-111622 dated May 16, 2006.

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