| 摘要 |
PURPOSE:To eliminate a queue of waiting persons in a play land or an exhibition. CONSTITUTION:A receiver is carried by each person desiring of entrance. The receiver is provided with a display section 24 and a buzzer 28. A kind of a vehicle, a waiting number of persons and a remaining waiting time or the like are displayed on the display section 24. When its own turn comes round or the receiver is resident at the outside of a range able to receive a radio wave from a transmitter, the display device of the display section 24 blinks and the buzzer 28 sounds. When a carrier's turn comes around, the carrier gives a card shaped transmitter to a person in charge in a play land for the reception of the entrance. A signal representing the reception of the entrance is sent to other receivers and number of waiting persons is decremented by one. |
