电容式触摸屏是在玻璃表面贴上一层透明的特殊金属导电物质。当手指触摸在金属层上时，触点的电容就会发生变化，使得与之相连的振荡器频率发生变化，通过测量频率变化可以确定触摸位置获得信息。-The capacitive touch screen is a special metal layer of transparent conductive material in the surface of the glass paste. When the finger touch on the metal layer, the capacitance of the contacts occurs, such that the associated oscillator frequency is changed, the change can be determined by measuring the frequency of the touch position obtained information.