ELECTRONIC CODE LOCK Russian patent published in 2000 - IPC

FIELD: applicable in the technique of protection of objects against access of strangers. SUBSTANCE: the electronic lock has an input line, actuating code lock, whose first output is connected to the input of the actuating unit, the second output - to the input of the counter of the number of trials of code selection, whose group of outputs is connected to the group of inputs of the code switch, preliminary code lock and a line switch, the group of inputs of the line switches is connected to the input line that is connected to the first group of inputs of the preliminary code lock, whose second group of inputs is connected to the group of code switch outputs, and the output - to the line switch input, whose group of outputs is connected to the group of inputs of the actuating code lock. EFFECT: reduced probability of lock opening. 4 cl, 4 dwg