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US07985993B2 CMOS image sensor and image signal detecting method thereof 有权
CMOS图像传感器及其图像信号检测方法

CMOS image sensor and image signal detecting method thereof
摘要：
A complementary metal oxide semiconductor (CMOS) image sensor includes a photodiode, a switch and a comparator. The switch transfers a sensing signal to a sensing node from the photodiode. The comparator, which is directly connected to the sensing node, compares the sensing signal of the sensing node with a reference signal. The comparator outputs a signal corresponding to a voltage difference between the sensing signal and the reference signal.
摘要（中）：

互补金属氧化物半导体（CMOS）图像传感器包括光电二极管，开关和比较器。 开关将感测信号从光电二极管传送到感测节点。 直接连接到感测节点的比较器将感测节点的感测信号与参考信号进行比较。 比较器输出对应于感测信号和参考信号之间的电压差的信号。

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