ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,046, issued on May 5, was assigned to Actutek Corp. (Taoyuan City, Taiwan).
"Optical system" was invented by Chih-Wei Weng (Taoyuan City, Taiwan), Chao-Chang Hu (Taoyuan City, Taiwan), Yung-Hsien Yeh (Taoyuan City, Taiwan) and Mao-Kuo Hsu (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system is provided. The optical system includes a fixed unit, an actuating unit, a lens unit and a metalens. The actuating unit is connected to the fixed unit. The lens unit is adapted to be moved by the actuating unit relative to the fixed unit. The metalens is adapted to be moved between a first position and a second position relative t...