| 摘要 |
FIELD: safety systems.SUBSTANCE: invention relates to protection of various objects from unauthorised access. Electronic lock, which contains code receiving unit, group of outputs, which is connected to first group of inputs of comparator unit, second group of inputs, which is connected with group of outputs of storage device, input bus, connected to code receiving unit, code selection attempts counter and actuating unit, adder, majority element, XOR element, coincidence element and trigger inverting input is connected to coincidence element first input and to first output of comparator unit, second output of which is connected to first input of majority decision element, output of which is connected with its second input, trigger reset input and number of code selection attempts counter count input, group of outputs of which is connected to set of inputs and adder, group of outputs of which is connected to group of inputs of storage device, input B of adder is connected to output of XOR element, first input of which is connected to output of first discharge code selection attempts counter number, and second input is connected to third input of majority decision element, output of trigger and match element second input, output of which is connected to input of actuator.EFFECT: technical result is simplification of circuit implementation of electronic lock and reduced probability of unauthorised opening of electronic lock in definite time interval at given number of reference values of code combinations of reference values of codes by using each of reference values as access code standard value, and as opening code standard value.1 cl, 1 tbl, 4 dwg |
