IMAGING DEVICE, CONTROL METHOD THEREFOR, AND CAMERA

IMAGING DEVICE, CONTROL METHOD THEREFOR, AND CAMERA

PROBLEM TO BE SOLVED: To reduce vertical noise and shading in an imaging device such as a CMOS image sensor. SOLUTION: Selection control circuits 13a and 13b connect a CDS circuit 15a to a vertical signal line VSL(n) and connect a CDS circuit 15b to a vertical signal line VSL(n+1). Together with tha...

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Bibliographische Detailangaben
Hauptverfasser: YAMAGATA YUUKI, KOSEKI MASARU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEMICONDUCTOR DEVICES
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Zusammenfassung:PROBLEM TO BE SOLVED: To reduce vertical noise and shading in an imaging device such as a CMOS image sensor. SOLUTION: Selection control circuits 13a and 13b connect a CDS circuit 15a to a vertical signal line VSL(n) and connect a CDS circuit 15b to a vertical signal line VSL(n+1). Together with that, the selection control circuits 13a and 13b connect a current source 14b to the vertical signal line VSL(n) and connect a current source 14a to the vertical signal line VSL(n+1). A connection node NDI1b is formed on the vertical signal line outside a first transmission route where the output signals of a Gr pixel circuit 11 are transmitted from the Gr pixel circuit 11 to the CDS circuit 15a. Also, a connection node NDI2a is formed on the vertical signal line outside a second transmission route where the output signals of an R pixel circuit 11 are transmitted from the R pixel circuit 11 to the CDS circuit 15b. COPYRIGHT: (C)2010,JPO&INPIT