发明授权
- 专利标题: Photoelectric conversion device, imaging system, and method for driving photoelectric conversion device
- 专利标题(中): 光电转换装置,成像系统和驱动光电转换装置的方法
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申请号: US14475365申请日: 2014-09-02
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公开(公告)号: US09282270B2公开(公告)日: 2016-03-08
- 发明人: Toshiaki Ono , Kazumichi Morita
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 代理机构: Canon USA, Inc. IP Division
- 优先权: JP2013-184058 20130905
- 主分类号: H04N5/347
- IPC分类号: H04N5/347 ; H04N5/3745 ; H04N5/361 ; H04N5/378
摘要:
An AD conversion unit AD-converts a first analog signal output from a clamping unit and generated based on a signal generated at a first photoelectric conversion unit. Then, while the first analog signal is clamped at a reference level, signals generated based on the signals generated at the first and second photoelectric conversion units are applied to the clamping unit, whereby the AD conversion unit AD-converts a second analog signal output from the clamping unit.
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