The company introduced its Pan Detection sensor technology and its user interface method, called “Twist.” According to the company, pan detection allows the electronic control of a cooktop to sense that a pan or pot is present on the cooking surface and automatically shut off the power if no pan is detected. The sensor works by electrically impressing a frequency on a pan detection antenna, which is built in the heating element. When a metal pan is placed over the antenna, it causes a change in the frequency, which is detected by the electronic control. In addition, the company’s “Twist” technology is a shaftless rotary encoder that can be installed on a glass ceramic sealed surface.
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