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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Drag to indicate the location of a video motion detector.

拖动可指示视频运动探测器的位置。

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Provided is a motion detector capable of efficiently producing a motion vector.

本发明提供可高效生成运动矢量的运动检测装置。

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We found someone to install a motion detector light outside her front door, to improve her safety at night.

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After that, they had to beat a combination lock, key lock, heat detector, motion detector, light detector and more.

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During the theft, a motion detector was activated, alerting a guard who chased one thief, but was unable to catch him.

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