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Multiplex combinations for economic telegraphy and telephony (1913)

Jones, Rupert Forrest · leaf 16

An illustration from Multiplex combinations for economic telegraphy and telephony, 1913, leaf 16
ight be connected in series in the respective lines. Of course, ■4 neither one of the lines would work if a helical or so calledchoke coil were connected in the line, since the e.m.f. ofself-induction would choke back the pulsation which is to bereceived on the opposite end of the line. However,… … For the telephone line, the same voltage is induced inS* as is impressed on P* since the windings have an equal num-ber of turns. Hence, it would seem that the voice would betransmitted with the same volume from one end to the other ofthe line as for the condition without the induction coils. As…

Multiplexing · Telegraph · Telephone · Telephone systems · Theses

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