ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,990, issued on Dec. 23, was assigned to SONY SEMICONDUCTOR SOLUTIONS Corp. (Kanagawa, Japan).
"Solid-state imaging element" was invented by Hideki Naganuma (Kanagawa, Japan) and Takuya Toyofuku (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To improve the image quality in a solid-state imaging element that performs differential amplification. Each of a plurality of reference pixels is provided with a reference-side amplifier transistor that supplies a reference current according to a predetermined reference potential. Each of a plurality of readout pixel circuits is provided with a readout-side amplifier transistor that supplies fro...