Decoding apparatus for codes represented by code tree

Details Decoding apparatus for codes represented by code tree Decoding apparatus for codes represented by code tree

1981-09-08

1984-10-02

Shaw, Gareth D.

Boots, shoes, and leggings

340347DD, H03K 1324

Patent

active

044751745

ABSTRACT:
In an apparatus for decoding a variable length code represented by a code tree, a decoding table memory is read out and the read out data is decided as to whether it is terminal or intermediate data. In the case of a terminal data, its decoded result information in the data is delivered out. In the case of an intermediate data, its data of the same number of bits as indicated by information of the data indicating the number of bits to be entered is entered from an input code train; this data and information of the intermediate data for determining an address of the decoding table memory to be accessed are added together to obtain the address of the memory to be accessed next; the address thus obtained is used to access the decoding table memory; and this operation is repeated until a terminal data is obtained.

REFERENCES:
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patent: 3925780 (1975-12-01), Van Voorhis
patent: 4044347 (1977-08-01), Van Voorhis
patent: 4168513 (1979-09-01), Hains et al.
patent: 4188669 (1980-02-01), Rauscher
patent: 4215422 (1980-07-01), McCray et al.
patent: 4236206 (1980-11-01), Strecker et al.

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