Image pickup apparatus and image pickup system with ad converter outputting image data at first resolution in a case where pixel signals are not higher than threshold level and at second resolution in a case where pixel signals are higher than threshold level

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United States of America Patent

PATENT NO 9544518
APP PUB NO 20150181149A1
SERIAL NO

14565656

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Abstract

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An image pickup apparatus includes a plurality of pixels, a readout circuit configured to read out pixel signals from the pixels for each pixel row, an analog to digital (AD) converter configured to adjust an AD conversion gain depending on an output level of the readout circuit and to provide a signal from the readout circuit with an AD conversion to output image data, and a controller configured to control the AD conversion gain of the AD converter depending on a predetermined condition.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Awatani, Yoshio Kawasaki, JP 8 38
Namiki, Kazuhiro Yokohama, JP 11 22

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