TOUCH FORCE DETECTING APPARATUS FOR INFRARED TOUCH SCREEN

摘要

The present invention concerns a touch force detecting apparatus for infrared touch screen including: glass plate, sensors, infrared transmitting and receiving diode array, signal processing circuit, microcontroller for controlling the touch screen wherein said sensor is a mechanical force sensor, and its signal output port is connected with an input port of the signal processing circuit; an output port of the signal processing circuit is connected with an I/O interface of the microcontroller for controlling the touch screen.