Image sensor and operating method thereof

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United States of America Patent

PATENT NO 9888200
SERIAL NO

15155207

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided an operating method of an image sensor including: storing a first charge from an optoelectronic circuit to a pixel buffer circuit within a first exposure period; storing a second charge from the optoelectronic circuit to the pixel buffer circuit within a second exposure period; transferring the first charge from the pixel buffer circuit to a first storage circuit outside of pixel circuits; transferring the second charge from the pixel buffer circuit to a second storage circuit outside of pixel circuits; and comparing the first charge with the second charge to output an analog image signal.

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Patent Owner(s)

  • PIXART IMAGING INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, En-Feng Hsin-Chu County, TW 127 528

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