Title:
光電変換装置及び撮像システム
Document Type and Number:
Japanese Patent JP7353752
Kind Code:
B2
Abstract:
A photoelectric conversion device includes a pixel that outputs a pixel signal in accordance with an incident light, a plurality of signal holding units each configured to hold the pixel signal, an AD conversion unit that converts the pixel signal from analog signal to digital signal, a first switch circuit provided between the pixel and the plurality of signal holding units, and a second switch circuit provided between the plurality of signal holding units and the AD conversion unit. The first switch circuit is configured to connect the pixels to the plurality of signal holding units individually to hold one pixel signal in the plurality of signal holding units, respectively, in different sampling periods, the second switch circuit is configured to switch connection between the plurality of signal holding units and the AD conversion unit, and pixel signals held in the plurality of signal holding units are averaged and output.
Inventors:
▲高▼田 英明
Kazuo Yamazaki
Kazuo Yamazaki
Application Number:
JP2018229127A
Publication Date:
October 02, 2023
Filing Date:
December 06, 2018
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N25/78; H04N25/42; H04N25/60; H04N25/76; H04N25/77
Domestic Patent References:
| JP2014022823A | ||||
| JP2016213740A | ||||
| JP2015154089A | ||||
| JP2017167126A | ||||
| JP2010068123A | ||||
| JP2013157889A | ||||
| JP2014022822A | ||||
| JP2014022824A | ||||
| JP2014033433A |
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Aki Honda
Takao Ochi
Koji Yoshizawa
Aki Honda