Photoelectric conversion device and image capturing device...

Details Photoelectric conversion device and image capturing device... Photoelectric conversion device and image capturing device...

2007-07-25

2010-10-12

Whipkey, Jason (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S243000, C348S308000

Reexamination Certificate

active

07812876

ABSTRACT:
A photoelectric conversion device includes a pixel output line, a pixel which outputs a signal to the pixel output line, an amplifier unit which amplifies the signal output to the pixel output line, and a holding capacitor which holds the signal output from the amplifier unit. The photoelectric conversion device outputs a pixel signal based on the signal held by the holding capacitor. The amplifier unit includes a variable amplifier stage which amplifies a signal output to the pixel output line at a gain selected from a plurality of gains, and a buffer stage which amplifies the signal output from the variable amplifier stage, the amplified signal being held by the holding capacitor to hold the signal.

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