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Patent Searching and Data


Title:
固体撮像装置
Document Type and Number:
Japanese Patent JP5814050
Kind Code:
B2
Abstract:
In a solid-state image pickup device, each pixel at a selected row outputs to a corresponding column signal line a first analog signal in accordance with an amount of electric charges at an electric charge accumulation section in an initial state and a second analog signal in accordance with an amount of photoelectric charges transferred to the electric charge accumulation section. An A/D converter provided at each column performs A/D conversion on the first and second analog signals to output first and second digital signals, respectively. Of first to third latch circuits provided at each column, the first latch circuit takes in and holds the first digital signal outputted from the A/D converter. The second latch circuit takes in and holds the first digital signal held at the first latch circuit. The third latch circuit takes in and holds the second digital signal outputted from the A/D converter.

Inventors:
Shunsuke Okura
Mitsuo Shinkin
Application Number:
JP2011191437A
Publication Date:
November 17, 2015
Filing Date:
September 02, 2011
Export Citation:
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Assignee:
Renesas Electronics Corporation
International Classes:
H04N5/378; H03M1/12; H04N5/363
Domestic Patent References:
JP2011078049A
JP2005303648A
JP2008017090A
JP2009017364A
Attorney, Agent or Firm:
Fukami patent office