Salient Features of Teleprinter

Salient Features of Teleprinter Points : salient features of teleprinter The salient features of teleprinter are listed below:
(a). A teleprinter is a telegraph transmitting-receiving machine.
(b). It resembles a typewriter because it has a typewriter like keyboard.
(C). A teleprinter is a mechanical device driven by electric motor. However, recently electronic machines have been introduced, controlled by microprocessor.
(d). Code used by teleprinter machine is the 5-unit code, operating on double current basis.
(e). A teleprinter works on the start-slop principle.
(f). A teleprinter acts both as a transmitter and as a receiver.
(g). A teleprinter when used as a transmitter, takes the code in the form of parallel signals and send it as serial signals. Parallel signals means that all the signals are available at the different terminals simultaneously. Serial signals means that the signals are send one after the other in a given order of lower to higher or first to last. So, we can say that the transmitter is simply a parallel-to-serial converter.
(h). When used as a receiver, the .signals are received in the serial form and converted into parallel. Then a detector converts it into the character and the printer prints it on the paper.
(i). Every teleprinter has also the facility of local record.
(j). The actual mechanical arrangement of a teleprinter machine is very complicated, but a block diagram is shown in the figure No.1-6, which shows the different parts of the machine.