Image signal amplifying circuit and image signal amplifying method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12267597
APP PUB NO 20230300471A1
SERIAL NO

18118142

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Abstract

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An image signal amplifying circuit comprising an amplifier and a gain control circuit. The amplifier respectively amplifies a first image signal and a second image signal, which are generated by a pixel array of an image sensor, by a first analog gain and a second analog gain, wherein each one of pixel circuits of the pixel array comprises a first capacitor for generating the first image signal and a second capacitor for generating the second image signal, wherein a charge storage capacity of the first capacitor is smaller than a charge storage capacity of the second capacitor. The gain control circuit selectively adjusts the first analog gain or the second analog gain. Each one of the pixel circuits has a first conversion gain corresponding to the first capacitor and a second conversion gain corresponding to the second capacitor.

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Patent Owner(s)

Patent OwnerAddress
MEDIATEK INCNO 1 DUSING RD 1ST SCIENCE-BASED INDUSTRIAL PARK HSIN-CHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, Hsun-Chia Hsinchu, TW 1 0
Ju, Chi-Cheng Hsinchu, TW 165 796
Lee, I-Hsien Hsinchu, TW 12 54

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