| 摘要 |
In a system wherein an elevator 10 is caused to serve only when the hall buttons 18 of the elevator have been manipulated in a predetermined sequence; a manipulatory sequence stored in a memory 40 can be altered at will by the use of manipulatory buttons 20 disposed in an elevator caretaking room, and the elevator is caused to serve when the altered manipulatory sequence has agreed with the manipulatory sequence of the hall buttons, whereby the leakage of the manipulatory sequence is rendered difficult so as to limit the use of the elevator by persons other than specified users. <IMAGE> |
