SNR Denton US LLP
Solid state imaging device, signal processing method of solid-state imaging device and imaging apparatus capable of removing vertical smears
A solid-state imaging device is disclosed. The device includes: a pixel array unit in which unit pixels including photoelectric conversion elements are two-dimensionally arranged and a first signal and a second signal are outputted to a signal line as a pixel signal; a signal processing unit including a variable gain amplifier, and an analog/digital converter; a signal supply unit supplying a reference signal; plural memory units holds the reference signal passed through the signal processing unit so as to correspond to the plural gains respectively when the variable gain amplifier is set at the plural gains respectively; and a correction unit subtracting the reference signal held in the plural memory units from the pixel signal outputted from each unit pixel in an active pixel area of the pixel array unit and passed through the signal processing unit when the variable gain amplifier is set at the plural gains respectively.
Sony Corporation
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Tomonori Nobuo
Mori Nakamura