ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,178, issued on March 17, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Pupil image measuring device and method" was invented by Seungwoo Lee (Suwon-si, South Korea), Jinwoo Ahn (Suwon-si, South Korea), Taejoong Kim (Suwon-si, South Korea) and Myungjun Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pupil image measuring device including a light source configured to generate and output a light, a stage on which a measurement target is loaded, an optical system configured to transmit the light output from the light source, to the measurement target, a detector configured to detect a lig...