Image sensor, method of reading control, and electronic device
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United States of America Patent
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Aug 6, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jan 29, 2016
filing date -
Feb 13, 2015
priority date (Note) -
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Abstract
The present technology relates to an image sensor capable of improving a reading speed of signals of a plurality of same-color pixels that shares floating diffusion (FD), a method of reading control, and an electronic device. After resetting the FD, the image sensor transfers to the FD an electric charge of a first pixel. The image sensor then transfers an electric charge of a second pixel to the FD. In addition, the image sensor performs A/D conversion of a signal level of the first pixel by an A/D converter in accordance with a clock signal of a first frequency, and performs A/D conversion of a signal level of the second pixel by the A/D converter in accordance with a clock signal of a second frequency obtained by dividing the first frequency by a predetermined division ratio. The present technology is applicable to CMOS image sensors.
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