ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,477, issued on Feb. 11, was assigned to Samsung Electro-Mechanics Co. Ltd. (Suwon-si, South Korea).
"Zoom optical system" was invented by Tae Youn Lee (Suwon-si, South Korea) and Jung Hui Ko (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zoom optical system includes a first lens group, a position of which with respect to an imaging plane is adjustable, and including first and second lenses. The zoom optical system also includes a second lens group of which a position with respect to the imaging plane is adjustable and includes third to fifth lenses. The zoom optical system further includes a third lens group including a sixt...