Data coding

Details Data coding Data coding

1984-12-10

1986-10-21

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

358261, H03M 746

Patent

active

046188460

ABSTRACT:
A method and apparatus for coding signals representing a stream of digital data groups (for example run lengths) for transmission or storage, each group representing a numerical quantity, is described. The signals are supplied via input and modify registers (4,6) and an encode latch (11) to a set of encode PROMs (12). The PROMs (12) generate for each data group a code representing the group, the code comprising a terminator codeword and, where necessary, one or more make-up codewords. The codewords are based on one or more multiplicative modifiers. The codewords are fed in parallel to output registers (13,14) and then serially shifted out of the output registers for subsequent transmission, storage, or further processing.

REFERENCES:
patent: 4542413 (1985-09-01), Rallapalli

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