Several companies are beavering away on micro projectors for use inside mobile phones, and the latest to go public with a prototype is 3M. It's showing an LED-illuminated projection engine at CES that's half an inch thick, and capable of projecting a 40-inch image at VGA resolution.
3M says the engine can be integrated into many personal electronic devices, including mobile phones but presumably also personal media players, gaming handhelds, maybe even cameras and camcorders.
The company reckons several consumer electronics firms will be launching products using its engine in early 2008, so hopefully some of them will be decloaking at the show next week too.
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