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    • 45. 发明授权
    • User activated fountain display
    • 用户激活喷泉显示
    • US4817312A
    • 1989-04-04
    • US15970
    • 1987-02-18
    • Mark FullerAlan S. Robinson
    • Mark FullerAlan S. Robinson
    • B05B17/08
    • B05B17/08
    • A sound activated fountain display. A plurality of transducers are disposed on the bottom of the pool of a fountain display with the fountain being normally off. Whenever a coin is tossed into the fountain's pool, the sound waves generated by the coin are received by the transducers, activating the fountain display. By gating the responses of the various transducers, the area of the pool in which the coin was tossed may be identified. In this manner, the display may be caused to be directed to that area of the pool, customizing the display for that particular viewer. If desired, the fountain display may be in a central pool with separate "satellite" coin pools surrounding the fountain and for activating the fountain display.
    • 声音激活喷泉显示。 多个换能器设置在喷泉显示器的池的底部,喷泉通常关闭。 每当硬币被投掷到喷泉池中时,由硬币产生的声波被换能器接收,激活喷泉显示。 通过选择各种换能器的响应,可以识别投掷硬币的池的区域。 以这种方式,可以使显示器被引导到池的该区域,为该特定观看者定制显示。 如果需要,喷泉显示器可以在中央游泳池中,其中围绕喷泉的单独的“卫星”硬币池并且用于启动喷泉显示器。