. . "As shown in FIG. 2, the telephone terminal device 1 is made up of a section including a telephone network circuit 8, a transmitter 9 and a receiver 10, and another section including a push-button dial 3, a magnetic card reader 5, a key-lamp panels 6A and 6B, a display panel 7, an input/output interface 12, a line interface 3, a memory 14 and a character generator 15, all controlled by a controller" . .