Decoding apparatus and control method thereof

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United States of America Patent

PATENT NO 8044831
APP PUB NO 20100182171A1
SERIAL NO

12684171

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Abstract

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The invention provides a decoding apparatus which guarantees a decoding speed of a predetermined unit. To this end, the decoding apparatus includes a shifter which detects a start bit of a codeword from coded data, a table which stores decode values of a plurality of symbol data at one address, a table which is used to store a shift amount of the shifter, a table which generates a data length of the decode values of the plurality of symbol data, a decoder which is used to generate an address of the first table from the coded data, a decoder which is used to generate an address of the second and third tables from the coded data, and a packer which couples or separates the decoded values of the plurality of symbol data to data for the predetermined fixed number of bits.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hara, Yuji Machida, JP 38 386
Ishikawa, Hisashi Urayasu, JP 232 2444

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