touch screen display how.The second-generation infrared touch screen was launched in 1994 with a resolution of 64 ?? 64, which improves the anti-light interference performance and can adapt to most indoor environments. The third-generation infrared touch screen was launched in 1997 with a resolution of 320 ?? 240 and can be used outdoors in direct sunlight. The main contribution of the fourth-generation infrared touch screen is to improve the resolution to 800 ?? 600. In 1998 roll out. Judging from the development of infrared touch screens, the main progress has been made along the two aspects of increasing resolution and adapting to strong light interference environments, but basically it has not overcome the problems of short product life and easy drift of device characteristic parameters.

touch screen display how.The second-generation infrared touch screen was launched in 1994 with a resolution of 64 ?? 64, which improves the anti-light interference performance and can adapt to most indoor environments. The third-generation infrared touch screen was launched in 1997 with a resolution of 320 ?? 240 and can be used outdoors in direct sunlight. The main contribution of the fourth-generation infrared touch screen is to improve the resolution to 800 ?? 600. In 1998 roll out. Judging from the development of infrared touch screens, the main progress has been made along the two aspects of increasing resolution and adapting to strong light interference environments, but basically it has not overcome the problems of short product life and easy drift of device characteristic parameters. 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.