PHOTOELECTRIC DETECTION CIRCUIT AND PHOTOELECTRIC DETECTOR
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United States of America Patent
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Jul 1, 2021
app pub date -
Dec 18, 2017
filing date -
Jun 9, 2017
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Abstract
A photoelectric detection circuit and a photoelectric detector are provided. The photoelectric detection circuit includes a first photoelectric sensing element and a second photoelectric sensing element, and an electrical characteristic of the first photoelectric sensing element is substantially identical to an electrical characteristic of the second photoelectric sensing element; the first photoelectric sensing element outputs a first sensed electrical signal, and the second photoelectric sensing element outputs a second sensed electrical signal; a polarity of the first sensed electrical signal is opposite to a polarity of the second sensed electrical signal, and an amplitude value of the first sensed electrical signal is substantially identical to an amplitude value of the second sensed electrical signal.
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