lg digital whiteboard. The function completion process is the same as the ordinary copying process. First, the image sensor component collects the content on the whiteboard, and the collected signal is processed by a certain image processing , and finally outputted by thermal, inkjet or other printing methods. The output paper is usually A4 format. The image sensor device of the electronic whiteboard is generally a CCD, and the scanning method adopts two kinds of motions of a CCD module or a whiteboard film. The printout method generally has thermal paper output and inkjet plain paper output, and the color has black and white and color output. In addition to the copy function, some manufacturers have added the function of connecting to the computer, can write on the electronic whiteboard, and put the content on the whiteboard into the computer or print it out instantly, but the content is prepared in the computer. Can not be mapped to the whiteboard, you can scan the contents of the whiteboard into the computer, the function is equivalent to a scanner . The brands are Antarctica, Antarc and PLUS , and the price is around 10,000. The copy function of the copy-type electronic whiteboard is actually not very practical. Choosing a high-quality and cost-effective product should be the first choice.. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.