Konica Minolta is reportedly working on a PowerPoint projector that's so small you could fit several of them into a single pocket. The projector uses laser beams and vibrating mirrors instead of light bulbs and lenses.
How small? The projector will be only 1.6 inches long, .79 inch wide, and only .3 inch thick. That would make the projector not only as small as a thumbdrive, but as small as a very small thumbdrive.
The projector would reportedly be capable of throwing up a 20-inch XGA color image from a distance of about 21 inches.
Konica Minolta says they'll have their thumbdrive-size projectors on the market within two or three years.
At post time, the news of Konica Minolta's pico projector project has been reported only on the Japanese subscription news site Nikkei.
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比PICO-PROJECTOR還小的投影機???體積只有姆指般的大小???
據聞是用雷射+共振鏡組成的，不用傳統的燈炮和透鏡即可投射出20" XGA等級的畫級
"應該"是利用MEMS技術達成的，預計2~3年後出現，讓我們拭目以待吧!!
對了~共振鏡是利用壓電方式來動作的
FROM HERE
http://blogs.computerworld.com/konica_minolta_building_thumbdrive_size_projector
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