F+F 电容式触摸屏 是一款由两层组成的功能性平板电脑 导电膜，每层都镀有一层氧化铟锡，最外层是 触摸屏 是一个保护玻璃盖。当我们 触摸传感器屏幕 with our fingers, the human body's electric field makes the finger and the surface of 触摸屏 form a coupling capacitor, which is a direct conductor for high frequency current The finger then draws a small current from the contact. This current flows from the electrodes on the four corners of 触摸屏, and the current flowing through the four electrodes is proportional to the distance from the fingers to the corners.
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