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Image sensor and electronic camera

專利號(hào)
US11039093B2
公開日期
2021-06-15
申請(qǐng)人
NIKON CORPORATION（JP Tokyo）
發(fā)明人
Atsushi Komai
IPC分類
H04N5/347; H04N5/374
技術(shù)領(lǐng)域
pixel,signal,pixels,vertical,unit,vl1,in,vl2,first,electric
地域： Tokyo

摘要

An image sensor, includes: a plurality of pixels arranged along a first direction, each of which includes a photoelectric conversion unit that generates an electric charge through photoelectric conversion of light, and outputs a signal generated based upon the electric charge generated in the photoelectric conversion unit; a first signal line to which signals from one or more pixels among the plurality of pixels are output; a second signal line to which a signal from another pixel among the plurality of pixels is output; and an arithmetic unit that executes an arithmetic operation with a signal generated by combining the signals from the one or more pixels output to the first signal line and the signal output to the second signal line.

說(shuō)明書

Furthermore, a first vertical signal line VL1 and a second vertical signal line VL2 are disposed in conjunction with a pixel column made up with a plurality of pixels 10 set side-by-side along the column direction, i.e., along the longitudinal direction, at the image sensor 3. A first electric current source 25 is disposed in correspondence to the first vertical signal line VL1, whereas a second electric current source 26 is disposed in correspondence to the second vertical signal line VL2. Moreover, an arithmetic unit 50 is disposed in correspondence to the first vertical signal line VL1 and the second vertical signal line VL2. It is to be noted that while FIG. 3 only shows one pixel (across)×three pixels (down) as pixels 10 so as to simplify the illustration, the image sensor 3 includes several million through several hundred million pixels, or an even greater number of pixels. In addition, the pixel 10 at the upper end is designated as a pixel 10 (1, 1), the pixel 10 at the center is designated as a pixel 10 (2, 1) and the pixel 10 at the lower end is designated as a pixel 10 (3, 1) in FIG. 3.

權(quán)利要求

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