Multiplex combinations for economic telegraphy and telephony (1913)
Jones, Rupert Forrest · leaf 30
enough to keepthe ringing current from passing through the telegraphinstruments. The impedance of these coils is greater to highfrequency current, and hence passes through the telephone cir-cuit only. The high frequency current as sent out from onestation is not impressed directly on the telephone… … #13. The ringing apparatus is connected in the jack and dropcircuit at eaoh station in the Composite. Considering Station B , the wires between the jack springs and condensers qx and e3may be imagined cut in two. The drop end of the ringing set goebto the wires leading to the jack springs. The line…
Multiplexing · Telegraph · Telephone · Telephone systems · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
