ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,081, issued on Oct. 20, was assigned to Changzhou AAC Raytech Optronics Co. Ltd. (Changzhou City, China).
"Lens barrel and lens module" was invented by Fan Li (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lens barrel is provided, including: a lens barrel body which is hollow and open at both ends, and a support wall bending and extending inwardly from an object-side end of the lens barrel body and enclosing a light-through hole. An image-side surface of the support wall is provided with extinction regions spaced apart from each other along a circumferential direction of the support wall. Each extinction region includes linear ex...