| 摘要 |
A device for determining whether a rotating stream of water from a sprinkler has been successfully jumped by a person at a player position includes a first sensor generating an first signal as the stream of water passes a first location and a second sensor generating a second signal as the stream of water passes a second location, which is aligned with the player position. The device determines whether the second signal follows the first, indicating whether the stream of water has been blocked by the person, having failed to jump. The device then provides an audible of visible indication as a result of this determination. The device may also display a count of successful jumps.
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