| 摘要 |
<p>PURPOSE:To unlock a door immediately after releasing an input prohibitive state by a method in which a given number input during operation of an inhibitor is compared with a prohibition releasing number, and when both the numbers are matched, the prohibiting means is forcibly released by a releasing means provided. CONSTITUTION:A recitation number stored in a memory 1 is compared with a recitation number input by a key operator 2 in a comparator 3. When both the numbers are matched, an unlocker 4 is actuated, and when they are not matched, a prohibitor 5 is actuated, where no comparing action is made. When a given number is input by a key operator 2 during operation of the prohibitor 5, it is compared with a prohibition releasing number stored in a memory 2. When both the numbers are matched, a releasing means 6 is actuated to forcibly release the prohibitor 5 and a comparator 3 is actuated.</p> |
