Code converter

Details Code converter Code converter

1976-10-06

1978-03-28

Atkinson, Charles E.

Communications: electrical

Digital comparator systems

3401461AB, G08C 2500

Patent

active

040817903

ABSTRACT:
A code converter circuit in a digital transmission system in which two mutually-synchronized digital signals are transmitted through a pair of transmission paths is disclosed. The transmission paths are characterized by the possibility of the terminal-to-terminal correspondence between input and output sides of the transmission paths being reversed. The code converter circuit includes an encoder on the input side of the transmission paths and a decoder on the output side of the transmission paths. The encoder comprises a modulo-2 adder and a switching circuit for selectively switching the input digital signals or the adder output signals to the transmission paths. The decoder comprises a modulo-2 subtractor and a switching circuit for selectively switching the digital signals from the transmission paths or the subtractor output signals to reproduce the transmitted digital signals.

REFERENCES:
patent: 3409875 (1968-11-01), DeJager et al.
patent: 3652988 (1972-03-01), Yamamoto et al.
patent: 3781795 (1973-12-01), Zegers

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