FIELD: lock production. SUBSTANCE: electronic code device has key 1 and lock 2 interconnected through a joint. The lock has actuator 9, the first two- threshold comparator 3 and the second threshold comparator 4, AND member 5, delay member 6, OR member 7, power amplifier 8, power supply 20, resistance bridge. Bridge legs are placed in the lock and key from the first to the tenth resistors. EFFECT: high reliability. 1 dwg
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