touch screen smart tv.The surface acoustic wave touch screen also has a third axis Z axis, that is, a pressure axis response. This is because the greater the force the user touches the screen, the wider and deeper the attenuation gap on the received signal waveform. At present, only sonic touch screens have the ability to sense touch pressure among all touch screens. With this function, each touch point is not only two simple states with and without touch, but an analog quantity that can sense. The value is off. This function is very useful, for example, in multimedia information query software, a button can control the speed of animation or video playback.

touch screen smart tv.The surface acoustic wave touch screen also has a third axis Z axis, that is, a pressure axis response. This is because the greater the force the user touches the screen, the wider and deeper the attenuation gap on the received signal waveform. At present, only sonic touch screens have the ability to sense touch pressure among all touch screens. With this function, each touch point is not only two simple states with and without touch, but an analog quantity that can sense. The value is off. This function is very useful, for example, in multimedia information query software, a button can control the speed of animation or video playback. 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.