| 摘要 |
PURPOSE: A music fountain system is provided to supply various types of fountains by changing the pattern, the size and the tone of the fountain in response to the rhythm, the size and the speed of the audio signals. CONSTITUTION: A music fountain system includes an audio signal input unit(1), a signal processing unit(2) and a fountain driving unit(3). The audio signal input unit converts the received audio signal into a digital audio signal by periodically sampling the audio signal in a predetermined period. The signal processing unit is provided to a buffer unit, a photo-coupler unit and a light emitting diode(LED) unit. The fountain driving unit is provided with a pump motor controller, a solenoid valve control unit and a light control unit. The pump motor controller outputs the corresponding contact signal by receiving the digital audio signals from the signal processing unit. And, the pump motor controller controls the operations of the motor, the nozzle and the light in response to the contact signal so as to cooperate the fountain.
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