screen tv.The infrared touch screen is densely arranged in the X and Y directions in front of the screen, and the infrared touch screen is continuously scanned to detect whether infrared is blocked by an object and locate the user's touch. As shown in the figure below, this touch screen is equipped with an outer frame on the front of the display, and a circuit board is designed in the outer frame, so that infrared transmitting tubes and infrared receiving tubes are arranged on the four sides of the screen, one by one to form a crosswise infrared matrix. After each scan, if all the infrared pairs are accessible, the green light is on, indicating that everything is normal.

screen tv.The infrared touch screen is densely arranged in the X and Y directions in front of the screen, and the infrared touch screen is continuously scanned to detect whether infrared is blocked by an object and locate the user's touch. As shown in the figure below, this touch screen is equipped with an outer frame on the front of the display, and a circuit board is designed in the outer frame, so that infrared transmitting tubes and infrared receiving tubes are arranged on the four sides of the screen, one by one to form a crosswise infrared matrix. After each scan, if all the infrared pairs are accessible, the green light is on, indicating that everything is normal. IQTouch K interactive touch screen feature 20-point touch and dual system -- Android 8.0 system and optional OPS Windows 10Pro system. Its 4K UHD resolution facilitates presentations and collaboration. With optional multi-screen casting software, IQClass 6.0 and installation-free IQClass Plus software, IQTouch K Series can help create an interactive and collaborative teaching atmosphere in class.