touch screen display button.The touch screen part of the surface acoustic wave touch screen can be a flat, spherical or cylindrical glass flat plate, which is installed in front of the CRT, LED, LCD or plasma display screen. This glass plate is just a pure tempered glass, which is different from other touch screen technologies without any film and cover. The upper left corner and the lower right corner of the glass screen are respectively fixed with vertical and horizontal ultrasonic transmitting transducers, and the upper right corner is fixed with two corresponding ultrasonic receiving transducers. The four perimeters of the glass screen are engraved with very precise reflection stripes at an angle of 45 ?? from sparse to densely spaced.

touch screen display button.The touch screen part of the surface acoustic wave touch screen can be a flat, spherical or cylindrical glass flat plate, which is installed in front of the CRT, LED, LCD or plasma display screen. This glass plate is just a pure tempered glass, which is different from other touch screen technologies without any film and cover. The upper left corner and the lower right corner of the glass screen are respectively fixed with vertical and horizontal ultrasonic transmitting transducers, and the upper right corner is fixed with two corresponding ultrasonic receiving transducers. The four perimeters of the glass screen are engraved with very precise reflection stripes at an angle of 45 ?? from sparse to densely spaced. 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.