SOUND GENERATING APPARATUS FOR KIMCHI REFRIGERATOR

摘要

PURPOSE: An apparatus is provided, to generate gentle buzzer sound in Kimchi refrigerator. CONSTITUTION: A apparatus comprises an operation part (100) for inputting the operation course; a control part (120) which drives a compressor or a heater according to the input operation course, and outputs the pulse signal for selecting the frequency generating the pulse width modulated signal and the buzzer sound to generate buzzer sound when the operation course is input; a buzzer driving part (160) which supplies the electrical power for a buzzer (163) according to the pulse signal; and a buzzer (163) which generates the buzzer sound. The control part (120) outputs the pulse width modulated signal with the first frequency and the pulse width modulated signal with the second frequency continuously.