| 摘要 |
PURPOSE:To provide an elevator assignment device by which even if the call registration and cancellation of destination floors have been conducted repeatedly, the useless stop of elevator cars can be prevented and at the same time there is no need for waiting customers at an elevator hall to move frequently for places to wait for elevators. CONSTITUTION:Predetermined calls opposite to destination floors are each registered by means of a destination floor call registration means 10 by the operation of first, second, and fourth - ninth floor destination floor buttons 4a-4h provided at an elevator hall, and elevator cars that conduct service in response to these registration calls are assigned by means of an assignment means 20, and when first, second, and fourth-ninth floor destination floor buttons 4a-4h opposite to calls already registered are operated, the registration of these calls is cancelled, and when all the calls already registered have been cancelled, the assignment of an elevator to conduct service is retained by means of an assignment demand retaining circuit 21 from the time of all the call registrations having been cancelled till the lapse of a predetermined time. |
