Tennis court control system
    2.
    发明授权
    Tennis court control system 失效
    网球场控制系统

    公开(公告)号:US4154442A

    公开(公告)日:1979-05-15

    申请号:US879018

    申请日:1978-02-17

    IPC分类号: A63B71/00 A63B71/06 A63B61/00

    CPC分类号: A63B71/0697 A63B71/0045

    摘要: A device for controlling the amount of time players occupy each of a plurality of tennis courts, while showing waiting players how long they must wait and which of the waiting players is to get the next available court. A central board has two dials for each court, one dial being set for the time when play is begun and the other dial being set for the time that the court will become available. The board has a sloping rack into which a tennis racket is placed by a member of each group waiting to play. Gravity tends to draw the sequentially placed rackets downward with the racket occupying the most downward position signifying the identity of the person who is to get the next available court. By inspection of the dials, the waiting players can tell when each of the courts is to become available.

    摘要翻译: 用于控制玩家占用多个网球场中的每一个的时间量的装置,同时显示等待的玩家必须等待多久以及哪些等待的玩家获得下一个可用的法院。 中央委员会为每个法庭设有两个拨号盘,一个拨号盘设置为开始播放的时间,另一个拨盘设置为法庭可用时间。 该板有一个倾斜的架子,每个组的一个成员放置一个网球拍等待玩。 重力倾向于将顺序放置的球拍向下拉,球拍占据最向下的位置,表示要获得下一个可用法院的人的身份。 通过检查表盘,等待的玩家可以知道每个法庭何时可以使用。