Code converter for polarity-insensitive transmission systems

Details Code converter for polarity-insensitive transmission systems Code converter for polarity-insensitive transmission systems

1981-11-09

1983-06-07

Miller, C. D.

Communications: electrical

Audible indication

Percussion-type sound producer

375 19, H04L 300

Patent

active

043873669

ABSTRACT:
A polarity-insensitive code converter in which blocks of binary digits are translated into multilevel words having either one mode or another mode so that each coded word of one block of binary digits is the inverse coded word of the block of inverse binary digits. Hence, the inversion of a code word during transmission results in the inversion of the recovered binary. With additional precoding and postcoding of the binary signal, polarity integrity of the original signal can always be restored.

REFERENCES:
patent: 3302193 (1967-01-01), Sipress
patent: 3439330 (1969-04-01), Sipress
patent: 3587088 (1971-06-01), Franaszek
patent: 3611141 (1971-10-01), Waters

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