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Image sensor and electronic camera

專利號
US11039093B2
公開日期
2021-06-15
申請人
NIKON CORPORATION（JP Tokyo）
發(fā)明人
Atsushi Komai
IPC分類
H04N5/347; H04N5/374
技術領域
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.

說明書

Next, the first control mode will be explained. When the first control mode is selected by the control unit 4, the image sensor 3 individually and separately reads out pixel signals from all the pixels 10 at the image sensor 3. The vertical control unit 70 sequentially selects pixels 10 at the image sensor 3 in units of rows, starting with the pixel 10 in the uppermost row and moving toward the pixel 10 in the lowermost row (from the pixel 10 (1, 1) toward the pixel 10 (3, 1) in the example presented in FIG. 3) and sequentially reads out pixel signals from the pixels 10. The pixel signal readout method adopted in the first control mode will be explained in more specific detail.

The vertical control unit 70 sets the first selection unit 16 in an ON state and sets the second selection unit 17 in an OFF state at the pixel 10 (1, 1) in the first row. The vertical control unit 70 sets the first selection units 16 and the second selection units 17 in the pixels 10 in rows other than the first row in an OFF state. In the example presented in FIG. 3, the first selection units 16 and the second selection units 17 in the pixel 10 (2, 1) and the pixel 10 (3, 1) are all set in an OFF state. In addition, the vertical control unit 70 sets the switch SW1 and the switch SW3 in an ON state and sets the switch SW2 in an OFF state at the arithmetic unit 50.

權利要求

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