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Photoelectric conversion device and method of driving photoelectric conversion device

專利號
US11039057B2
公開日期
2021-06-15
申請人
CANON KABUSHIKI KAISHA（JP Tokyo）
發(fā)明人
Kei Ochiai
IPC分類
H04N5/232
技術(shù)領(lǐng)域
readout,pixel,row,pixels,signal,in,th,circuit,control,conversion
地域： Tokyo

摘要

A photoelectric conversion device includes a pixel region where pixels are arranged to form rows and columns, and a pixel control circuit that supplies control signals to the pixels. The pixel region includes first to fourth regions, a first pixel in the first region and a second pixel in the second region are arranged on different columns on a first row, a third pixel in the third region and a fourth pixel in the fourth region are arranged on different rows on a first column, and the first row on which the first and second pixels are arranged is arranged between rows on which the third and fourth pixels are arranged. The pixel control circuit simultaneously reads out pixel signals of the first and second pixels in a first period and simultaneously reads out pixel signals of the third and fourth pixels in a second period.

說明書

Further, the imaging system 200 further includes an analog signal processing device 206, an analog-to-digital (A/D) converter 207, and a digital signal processing unit 208. The analog signal processing device 206 is for processing a signal output from the solid-state imaging device 204 or the AF sensor 205. The A/D converter 207 is for performing analog-to-digital conversion on a signal output from the analog signal processing device 206. The digital signal processing unit 208 is for performing an operation to perform various correction or data compression on image data output from the A/D converter 207.

Further, the imaging system 200 further includes a memory unit 209, an external I/F circuit 210, a timing generation unit 211, a general control/operation unit 212, and a storage medium control I/F unit 213. The memory unit 209 is for temporarily storing image data. The external I/F circuits 210 is for communicating with an external device such as an external computer 215. The timing generation unit 211 is for outputting various timing signals to the digital signal processing unit 208 or the like. The general control/operation unit 212 is for controlling various operations and the whole camera. The storage medium control I/F unit 213 is for transferring data with the removable storage medium 214 such as a semiconductor memory used for storing acquired image data or reading out image data.

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