It also unveiled plans for a smartphone with a built-in laser projector and infrared motion detector that is capable of projecting what is, in effect, a giant touch screen.

联想同时发布了一个内置激光投影仪与红外运动检测器的智能手机项目，能将手机屏幕通过投影转变成一个巨大的虚拟触摸屏。

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The projector is of the Geometric Design, which allows the operators to stand by closely but still guaranties the excellent projection effect.

投影仪采用几何设计原理，允许操作员近距离分析材料而不会影响皮料的投影效果。

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And it can produce a large-screen display surface on the back carriage by projector, having dynamic effect and improving the influence of vehicle body advertisement on audience.

本发明所提供的车体广告装置，能够通过投影设备，在后 车厢上产生大幅面的显示面，包括动态效果，提高车体广告对观众的 感染力。

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