touch screen lcd 15.Touch screen ( Touch Panel ) , also known as a touch panel, like a contact input signal may be received induction type liquid crystal display device, when the contact graphical on-screen buttons, a haptic feedback system on the screen in accordance with a preprogrammed The program drives a variety of connected devices, which can be used to replace mechanical button panels, and produce dynamic audio and video effects through the liquid crystal display screen. The touch screen consists of a touch detection component and a touch screen controller. The touch detection component is installed in front of the monitor screen. When a finger or other medium contacts the screen , it detects voltage, current, sound waves, or infrared rays according to different sensing methods to measure it. contact pressure point coordinate position and the coordinate position information is transmitted to the the CPU . It can also receive commands from the CPU and execute them.

touch screen lcd 15.Touch screen ( Touch Panel ) , also known as a touch panel, like a contact input signal may be received induction type liquid crystal display device, when the contact graphical on-screen buttons, a haptic feedback system on the screen in accordance with a preprogrammed The program drives a variety of connected devices, which can be used to replace mechanical button panels, and produce dynamic audio and video effects through the liquid crystal display screen. The touch screen consists of a touch detection component and a touch screen controller. The touch detection component is installed in front of the monitor screen. When a finger or other medium contacts the screen , it detects voltage, current, sound waves, or infrared rays according to different sensing methods to measure it. contact pressure point coordinate position and the coordinate position information is transmitted to the the CPU . It can also receive commands from the CPU and execute them. 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.