Mobile Phone Projector

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by: Sebastian Campion

The German based Fraunhofer Institute for Silicon Technology is working on a tiny digital projector small enough to fit in a mobile phone.

They've already built a functioning prototype based on a laser beam flashed at a tilting micromirror that builds up the picture at a resolution of 320 by 240 pixels line by line at high speed.

The prototype is currently too heavy and too large to fit inside a cell phone and it only projects red light, as today's technology enables only red laser light to be bright enough.


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