| 摘要 |
PURPOSE:To afford the soft and efficient elevator service at the time of the congestion in the office going hour in the morning. CONSTITUTION:At a landing, a destination button 1 and a service floor display device 2 for displaying the predetermined service floor of a car are installed. When destination floor call is registered by the destination button 1, if a car which is displayed in the service floor display device 2 is present within the prescribed upper and lower floors from the destination floor, the range of the predetermined service floor is displayed in spreading. When the car does not be there, a newly allotted car is selected, and the range of the predetermined service floor is displayed. |
