In modern technology, a touchscreen overlay is a gateway to a world of convenient interactions. It is the direct interface between our fingers and the intelligent system inside the device. Whether it is a smart phone, tablet computer or smart touch all-in-one machine, the surface of the seemingly ordinary but contains high-tech touch screen cover layer, is playing a key role in silence.

2,The core role of IR touch frame

(1) Signal emission of ir touch overlay

Among them, the infrared touch frame plays a very important role in the working mechanism of the touch screen cover layer. The infrared touch frame is usually composed of infrared emitting tubes distributed around the screen. These tubes continuously emit infrared light, like a thin infrared net around the screen. For example, in the smart navigation touch devices in some large shopping malls, the launching tube of the infrared touch box stably emits infrared rays and is ready to capture the user's touch action at any time.

(2) Signal reception and positioning of infrared touch frame

When our fingers touch the cover of the touch screen, they block part of the infrared light. And the other two sides of the screen corresponding to the infrared receiver tube will be keenly aware of changes in infrared. Through the accurate calculation and analysis of these changes, the specific position of the touch point can be determined. This is like in a dark room, there are countless light crisscroding, when there are objects blocking some light, through the judgment of the position of the blocked light, you can determine the coordinates of the object. In the intelligent electronic whiteboard in the field of education, the infrared touch box allows teachers to easily write and mark on the whiteboard with this accurate positioning ability, and realize efficient teaching interaction.

3,Information transfer of the touch screen overlay

Once the infrared touch box determines the position information of the touch point, this information is quickly transmitted to the processor of the device. The processor interprets this information and processes it according to a preset program to perform actions such as opening an application, selecting a menu option, or typing text into a document. The whole process is like a carefully choreographed dance. The touch screen overlay, infrared touch frame and device processor work together to bring us a smooth and convenient touch interaction experience.

4,Summary

The combination of touch screen overlay and infrared touch box is an important basis for modern smart devices to realize touch interaction functions. Their collaborative operation allows us to interact with devices in an intuitive and natural way, greatly changing our operational habits and lifestyles. From business display to education and teaching, from daily entertainment to professional office, the application of touch technology is everywhere, and with the continuous progress of science and technology, its performance and function will continue to be optimized, opening a new chapter for us to be more intelligent and convenient in the future interaction.