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US08573784B2 Imaging apparatus having an optical sensor 有权
具有光学传感器的成像设备

Imaging apparatus having an optical sensor
Abstract:
A projection apparatus is provided. The projection apparatus includes a light-emitting unit array, an optical sensor, and a control unit. The light-emitting unit array is for emitting an image beam. The optical sensor is for detecting electromagnetic waves so as to generate a signal. The control unit is electrically coupled to the light-emitting unit array and the optical sensor for controlling emission of the light-emitting unit array according to the signal from the optical sensor.
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