Video projectors go 3D


By Barry Fox Inside modern video projectors, the TV picture is created by an array of tiny micromirrors that each rotate to display a single pixel of the image one colour at a time. The image is then magnified and projected onto the big screen. But clever use of the mirrors can give you three-dimensional TV pictures, says the University of Cincinnati (WO 02/098145). Its system very rapidly switches all the mirrors to project a right-eye image,
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