| 摘要 |
Additional power and cooling can be provided for microprojectors by supplemental rechargeable power sources that can be integrated into memory sticks or by expansion cards that can plug into cellphones, PDAs and other portable devices. A docking station for portable devices using microprojectors contains supplemental power, cooling means, addition data/audio/video interfaces, touch screen/optical interface, projection optics, contrast enhancing screens and/or addition optics for video conferencing. Optics can be adapted to the microprojector for better imaging, secured communications, enhanced light sources, low versus high power operation ratios, and contrast enhancing screens.
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