ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,434, issued on Aug. 11, was assigned to OMNIVISION TECHNOLOGIES INC. (Santa Clara, Calif.).
"Optical device for testing an image sensor" was invented by Hung Wei Liu (Hsinchu City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a first lens group arranged between a light-passing module and an object side. A second lens group is arranged between the light-passing and an image sensor. The light-passing control module is disposed between the first lens group and the second lens group, and is configured to control amount of light incident based on a chief ray angle. The light-passing control module includes an aperture ...