ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,050, issued on Feb. 10, was assigned to CANON K.K. (Tokyo).
"Aperture stop apparatus and optical apparatus" was invented by Katsuhiko Sato (Tochigi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aperture stop apparatus configured to control a light amount in each of two optical systems arranged in parallel includes a drive gear, a single driving source configured to drive the drive gear, a base member, two aperture stops as iris stops each having three or more blade members, and two rotating members each including a gear portion engaged with the drive gear. Each aperture stop is operated as a corresponding one of the rotating members rotat...