Circuital arrangement for counting and dividing the taxation impulses pertaining to a generical telephone line

摘要

The present invention relates to a circuital arrangement adapted to divide the charges pertaining to a telephone line among the users of the terminal/s connected to the line itself. An identification code number is given to each user. At the engagement of the telephone line the circuital arrangement connects, in parallel with terminal (TL) an inhibiting (CI) adapted to prevent the switching exchange (CT) from detecting the dialled digits. These are however detected by a logic unit (UL) and if they coincide with one of the allowed code numbers, the inhibiting circuit (CI) is excluded, thus allowing the exchange (CI) to detect the next selection. Possible taxation impulses, generated by the switching exchange (CT) are summed in a memory element associated with the dialled code number (figure 2).