TELEGRAPH SET Russian patent published in 1994 - IPC

FIELD: telecode communication. SUBSTANCE: telegraph set has input unit 7 (keyboard) connected to inputs of transmitter 6. Output of transmitter is linked to input of communication line. Receiver 2 is coupled to output of communication line. Its outputs are connected to inputs of display unit 1 (or printer). Telegraph set is supplemented with first and second commutators 4, 5, modulo two adder 9, RS flip-flop 10, address counter 11, permanent storage 12 and indicator 13. EFFECT: enhanced deepness of detection of malfunction of telegraph set and expanded functional capabilities of it. 1 dwg