FIELD: locks. SUBSTANCE: device has first and second contact elements, first and second counters, reference code unit, comparison unit, first and second flip- flops, matching gate, decoder, actuating unit and indicator. First and second inputs of comparison circuit are connected to outputs of counter and reference code unit respectively. Input of reference code unit is connected to output of comparison circuit. Its output to gate input of decoder, which output is connected to input of actuating unit. Addition input of counter is connected to output of first contact member, setting input of second counter and first input of matching gate. Subtraction input of first counter is connected to output of second contact member and second input of matching gate. Its output is connected to input of indicator, which locking input is connected to resetting inputs first flip-flop, counters and output of second flip-flop, which reset input is connected to input of decoder and second output of second counter, which counting input is connected to gate input of comparison circuit and output of matching gate. EFFECT: increased speed of opening, increased probability of correct code input. 1 dwg
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