ELECTRONIC-MECHANICAL LOCK Russian patent published in 2004 - IPC

FIELD: locksmith's work. SUBSTANCE: the lock has an unlocking mechanism, standard code unit, locking device, actuating mechanism, comparison unit, indicator, generator and a pulse distributor. It includes a supply switching element, code setting element, M-1 indicators, where M-the number of code sign digits, M counters and a converter unit made in the form of a cylinder installed on the axle of kinematic linkage between the unlocking mechanism and the locking device for acting on the code setting element and the supply switching element, whose output is connected to the input of the generator, whose output is connected to the first input of each counter, a group of the outputs of the standard code unit is connected to the first group of the inputs of the comparison unit, whose output is connected to the actuating mechanism installed for acting on the mentioned cylinder by interlocking the rotation of the latter round its axis, a group of the outputs of each counter is connected to a group of the inputs of the respective indicator and to the respective second groups of the inputs of the comparison unit, the second input - to the output of the code setting unit and the input of the pulse distributor, whose outputs, beginning from the first one are connected to the third input of the respective counter, the (M+1)-th output to the strobing input of the comparison unit. EFFECT: enhanced reliability in operation. 2 dwg