ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,658, issued on May 26, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).
"Optical imaging system" was invented by You Jin Jeong (Suwon-si, South Korea), Jae Hyuk Huh (Suwon-si, South Korea) and Byung Hyun Kim (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging system includes a fixed-focus lens group and a variable-focus lens group disposed in this order from an object side, wherein the fixed-focus lens group includes a first lens, a second lens, and a third lens disposed in this order from an object side, wherein the first lens has positive refractive power, and wherein the second lens h...