ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,356, issued on March 3, was assigned to AAC Optics Solutions Pte. Ltd. (Singapore City, Singapore).
"Adjustable diaphragm, camera module, and electronic device" was invented by Takashi Iwasaki (Osaka, Japan) and Kazuo Shikama (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable diaphragm is disclosed. At least one light-shielding blade is movably fixed through cooperation of a blade supporting ring and a blade driving ring, an electromagnetic driving assembly drives, by using Lorentz force between driving magnet and a driving coil, a driving rod to rotate relative to a base, and the driving rod is slidably connected to the blad...