Run length code decoder

Details Run length code decoder Run length code decoder

1983-08-17

1986-05-27

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

H03K 1324

Patent

active

045918295

ABSTRACT:
A run length code decoder, constructed to reduce the number of times of memory access to attain a high speed operation, decodes a run length code such as a modified Huffman code in a facsimile machine. It determines a memory address to be read next from a memory which contains a decode table for the run length code by a result of an arithmetic operation of a predetermined address of the memory, a content at the predetermined address and a next data derived from an input code.

REFERENCES:
patent: 3925780 (1975-12-01), Van Voorhis
patent: 4121259 (1978-10-01), Preuss et al.
patent: 4207599 (1980-06-01), Murayama et al.
patent: 4311989 (1982-01-01), Roux
patent: 4475174 (1984-10-01), Kanayama
patent: 4492983 (1985-01-01), Yoshida et al.

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