This Is Your Brain on 스포츠분석
https://www.evernote.com/shard/s359/sh/7a47d494-25f5-4da9-a77a-f9fdd226c9a1/532bab467e792efa25b715bdf9360e21
These projectors use resolution of SVGA typical i.e. 800600 pixels in highly-priced equipment. Cost of electronic projector is determined by its resolution as well as its brightness.