2020 Volume 28 Issue 1 Pages 3-8
This explanation paper discusses acoustic and magnetic noise generated by an IH cooker. IH cooking heater is a cooker that applies the electromagnetic induction. Recently, influence of the electromagnetic wave on the human body is worried. The symptoms; user of home electronics appliances feels; are headache and nausea. There is a report that some users who are using IH cooking heater also feel these symptoms. We have discovered that the high frequency acoustic noise (ultrasonic range), which is generated from an IH cooker, indicates strong-level sound pressure. High frequency strong acoustic noise must not be ignored, because its danger on our health is reported scientifically and medical standpoints. And, due to the spread of power electronics device, noise superimposed on the AC power supply is a problem. It has been reported that the acoustic noise (Audible range) provides discomfort feeling when using the IH cooker.
