SOLID STATE IMAGING ELEMENT, ELECTRONIC APPARATUS AND METHOD FOR DRIVING SOLID STATE IMAGING ELEMENT

SOLID STATE IMAGING ELEMENT, ELECTRONIC APPARATUS AND METHOD FOR DRIVING SOLID STATE IMAGING ELEMENT

PROBLEM TO BE SOLVED: To improve a speed while preventing a reduction in accuracy in AD conversion.SOLUTION: A solid state imaging element comprises: a pixel; a voltage comparing section; a reference signal generating section for outputting a reference signal gradually changing from a predetermined...

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Hauptverfasser: TAJIMA AKARI, INUZUKA JUNICHI
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator TAJIMA AKARI
INUZUKA JUNICHI
description PROBLEM TO BE SOLVED: To improve a speed while preventing a reduction in accuracy in AD conversion.SOLUTION: A solid state imaging element comprises: a pixel; a voltage comparing section; a reference signal generating section for outputting a reference signal gradually changing from a predetermined initial voltage with time; and an initial value setting section for outputting the same voltage as the predetermined initial voltage. The voltage comparing section comprises: a first terminal to which a pixel signal is inputted from the pixel; and a second terminal to which the reference signal is inputted, and compares a voltage at the first terminal with a voltage at the second terminal to output a predetermined signal when a magnitude relation between the voltage at the first terminal and the voltage at the second terminal is inverted. The initial value setting section inputs the same voltage as the predetermined initial voltage to the first terminal at predetermined timing.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title SOLID STATE IMAGING ELEMENT, ELECTRONIC APPARATUS AND METHOD FOR DRIVING SOLID STATE IMAGING ELEMENT
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