FIELD: locking arrangements. SUBSTANCE: safety coder has stand-alone components-lock and key. The lock has a coder proper, code comparator, synchronizing unit, OR-NOT gate, OR gate, two pulsers, two pulse shapers, mechanical latch, actuating unit, flip-flop. The key has a pulse-length selector, counter, switch, gate unit, code setup unit, detector. EFFECT: enhanced safety. 2 cl, 4 dwg
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Authors
Dates
1995-08-20—Published
1990-12-04—Filed