touch screen virtual display.The infrared screen relies on the infrared matrix. The x and y coordinates of multiple points on the matrix can be combined into a square multiple of touch points. See the figure below. The two points A , B and two points C and D are for the infrared screen. I ca n??t distinguish the same effect, how to deal with it? At present, the common processing of multi-touch on infrared screens on the market is not judged continuously or is judged as the upper left corner, that is, whether it is A , B , C , or D in the figure below is judged as point C. The infrared screen that is really technically good should be the midpoint of multi-touch determination with continuous coordinates, that is, the touch of a large object (such as a thick finger) is judged, and discontinuous multi-touch is not judged, so it is Excellent technology is that this algorithm has stricter product quality requirements and does not allow a variety of fault conditions. This kind of infrared screen is available in the market now, and the price is very high.

touch screen virtual display.The infrared screen relies on the infrared matrix. The x and y coordinates of multiple points on the matrix can be combined into a square multiple of touch points. See the figure below. The two points A , B and two points C and D are for the infrared screen. I ca n??t distinguish the same effect, how to deal with it? At present, the common processing of multi-touch on infrared screens on the market is not judged continuously or is judged as the upper left corner, that is, whether it is A , B , C , or D in the figure below is judged as point C. The infrared screen that is really technically good should be the midpoint of multi-touch determination with continuous coordinates, that is, the touch of a large object (such as a thick finger) is judged, and discontinuous multi-touch is not judged, so it is Excellent technology is that this algorithm has stricter product quality requirements and does not allow a variety of fault conditions. This kind of infrared screen is available in the market now, and the price is very high. 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.