ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,947, issued on Sept. 22, was assigned to Zhejiang Sunny Optics Co. Ltd (Yuyao City, China).
"Optical imaging system" was invented by Rui Zhang (Yuyao City, China), Jiadong Zhu (Yuyao City, China), Fujian Dai (Yuyao City, China) and Liefeng Zhao (Yuyao City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an optical imaging system. The optical imaging system comprises a lens barrel, and a lens group and at least one spacing element accommodated in the lens barrel. The lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens that are arranged in sequence along a...