Infrared is composed of infrared emitter in the frame and receiving sensing element. There is a Infrared detection network in the the surface screen, and it can change the infrared rays of the touch point. Through this operation, the purpose of control the screen is achieved.
Infrared touch screen has many advantages:
1) High stability.
2) High adaptability. It won’t be influenced by current, voltage, static and some awful environment like sandstorm.
3) High light transmission without intermediate medium.
4) Long service life, high durability and not afraid of scratching.
5) Support USB and serial port input.
Now, Many infrared touch device manufacturers continue to develop new touch technologies to meet customer’s needs.