| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm buzzer that allows a user to select tone colors and volumes according to purposes with a simple composition.SOLUTION: The present invention is an alarm buzzer 10 that can output a plurality of types of tone colors and volumes according to settings comprises: a selection confirmation part 11 confirming ON/OFF of control lines for tone color and volume selection; a parameter generation part 12 generating waveform parameters according to the confirmed ON/OFF of the control lines; a waveform generation part 13 generating waveforms on the basis of the waveform parameters; and a sounding body 15 outputting the generated waveforms as sounds. Therefore, a user to select and customize tone colors and volumes according to purposes with a simple composition in which input from power supply input lines and tone color selection control lines is input to a small unit. |
