Multiplex combinations for economic telegraphy and telephony (1913)
Jones, Rupert Forrest · leaf 62
ng one to B, allat the saine time over the single line wire and ground. There isgenerally a sending and receiving operator at each office. It isevident that there is a saving with this system of one linecircuit between stations. Quadruplex telegraphy is a simultaneous transmission offour… … R is called a transmitting relay. Rj is the pole changing relay for contacts c, c, , c* , and #34. cj, each of the latter being connected through some suitableresistance to a pole of one generator, as shown,Rr is a neutral relay, Rt is an ordinary polarized relay, as used in duplextelegraphy. Rj.…
Multiplexing · Telegraph · Telephone · Telephone systems · Theses
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