Multiplex combinations for economic telegraphy and telephony (1913)
Jones, Rupert Forrest · leaf 34
Repeating Coil Duplex … O-O ~H 5) U #14. In the impedence coil duplex, telephones a and b are themain line phones. Telephones c and d, impedance coile m,m , n,nand the line wires constitute what is termed a phantom circuit(ghost circuit)y because it is an extra circuit obtained withoutthe addition of any more line wires…
Multiplexing · Telegraph · Telephone · Telephone systems · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
