屏前X，Y座标的定标方法与实现原理

The Method and Principle of Determining the X and Y Coordinates of the Touch Point in Front of the Screen

文中主要论述电容式触摸屏如何敏感出触摸信号，以及如何确定触摸点在屏上的具体位置等几个触摸技术的基本问题，最后给出了屏前Ｘ。

Some basic problems of touch technology, such as how to determine the touch signal and the exact position of the touch point on a capacitive touch screen, etc are discussed Finally, the method to determine the x and ycoordinates of the touch point is given