This application, in an apparatus teleprinter, transmitting pulses of the selection of a subscriber from a keyboard clinical alphanumeric, and the apparatus thus teleprinter agency

摘要

In order, in a telewriter apparatus, to transmit pulses for selecting a subscriber from an alphanumeric data insertion keyboard 1, the invention provides for the pulses generated under the control of the keys of the keyboard 1 to be transferred to a transmitter device 2 of the telewriter apparatus with one or the other of two possible speeds - determined at 4 under the action of a control 5 - , namely either a first speed or relatively high speed endowing these pulses with the speed characteristic of selection pulses, or a second speed or relatively low speed endowing these pulses with the speed characteristic of alphanumeric data pulses. IMAGE