Analog-digital converter, solid-state image sensor, and electronic apparatus for increased resolution of an image

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United States of America Patent

PATENT NO 9876976
SERIAL NO

15066942

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Abstract

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An analog-digital converter includes: a first comparator configured to make a comparison between a pixel voltage and a first reference voltage, the pixel voltage being a signal voltage outputted from a pixel including an photoelectric conversion element, the pixel voltage corresponding to electric charge generated by the photoelectric conversion element; a second comparator configured to make a comparison between the pixel voltage and a second reference voltage; and a voltage follower configured to connect an input terminal for the first reference voltage of the first comparator and an input terminal for the second reference voltage of the second comparator through a switch.

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Patent Owner(s)

  • SONY CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ookuma, Keiji Nagasaki, JP 2 4

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