ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,395, issued on Oct. 6, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).

"Optical imaging system" was invented by Byung Hyun Kim (Suwon-si, South Korea), Tae Yeon Lim (Suwon-si, South Korea) and Yong Joo Jo (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical imaging system includes a first lens group including two or more lenses, and a second lens group including two or more lenses. The first lens group and the second lens group are sequentially arranged from an object side, and the second lens group is configured to be movable in an optical axis direction. 0.8greater thanTTL/fgreater than1.2. He...