| 摘要 |
<p>An optical projection system capable of displaying an image of MxN pixels in various sizes, wherein M and N are integers, comprises an non-point light source, a collimating lens, a focussing lens, an optical baffle, an array of MxN actuated mirrors, and a varifocal projection system including a positive power lens and a negative powers lens separated by a distance, wherein the image in various sizes is provided by changing the distance between the positive and negative power lenses in the varifocal projection lens system.</p> |
