ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,181, issued on Oct. 20, was assigned to Actutek Corp. (Taoyuan City, Taiwan).
"Aperture unit" was invented by Kuo-Chun Kao (Taoyuan City, Taiwan), Meng-Ting Lin (Taoyuan City, Taiwan), I-Mei Huang (Taoyuan City, Taiwan) and Sin-Jhong Song (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aperture unit having an optical axis is provided, which includes a fixed portion comprising a sidewall, a guiding element movably connected to the fixed portion, a first blade movably connected to the guiding element and the fixed portion, and a sliding element. The sidewall has a recessed portion having a recessed structure. The sliding elemen...