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TIME OF FLIGHT SENSOR, A THREE-DIMENSIONAL IMAGING DEVICE USING THE SAME, AND A METHOD FOR DRIVING THE THREE-DIMENSIONAL IMAGING DEVICE
TIME OF FLIGHT SENSOR, A THREE-DIMENSIONAL IMAGING DEVICE USING THE SAME, AND A METHOD FOR DRIVING THE THREE-DIMENSIONAL IMAGING DEVICE
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机译:飞行时间传感器,使用该传感器的三维成像设备以及驱动三维成像设备的方法
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摘要
A time of flight (ToF) sensor includes: a first pixel including a first photogate to receive light reflected by an object and generate a first phase signal, and a second photogate to generate a second phase signal having a phase difference of 180 degrees with respect to the first phase signal; a second pixel including a third photogate to receive the reflected light and generate a third phase signal different from the first phase signal and a fourth photogate to generate a fourth phase signal having a phase difference of 180 degrees with respect to the third phase signal; a first signal output unit to output the first and second phase signals; and a second signal output unit to output the third and fourth phase signals, wherein the first, second, third and fourth photogates output the first to fourth phase signals during a frame period.
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