Digital data transmission system having additional bits for auxi

Details Digital data transmission system having additional bits for auxi Digital data transmission system having additional bits for auxi

1987-06-12

1989-10-24

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 19, 341 55, 3701101, H04B 336, H04L 2520

Patent

active

048766950

ABSTRACT:
Data transmission system for transmitting data on a cable and in two directions between two terminal stations (LTE1/2) and via repeater stations (REP1/2). Each terminal station has a sender/receiver (CODEC) and each repeater station has a receiver/sender (CODEC1/2) for each direction. Each station is able to convert predetermined 5-bit data words and auxiliary information into predetermined 6-bit data words and to extract auxiliary information from these 6-bit words. In the case of cable rupture the receiver for one direction in a repeater station is connected to the receiver for the other direction.

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Electronics Letters, May 1965, vol. 1, No. 3, "Low-Disparity Binary Coding System," pp. 67, 68, by R. O. Carter.

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