US Patent 7116380 Video projector and optical light valve therefor

A video projector apparatus including a linear array of individually addressable reflective active elements, an optical system including a light source and providing a linear light pattern focused on said linear array and from which is created an image of the linear array, an optical scanning system for receiving the image of the linear array including a scanning member that successively scans the array to provide a two-dimensional image, and a projection system receiving the two-dimensional image and including a screen upon which the two-dimensional image is displayed.