ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,369, issued on Oct. 7, was assigned to ZHEJIANG SUNNY OPTICS Co. LTD. (Yuyao, China).
"Optical test system" was invented by Yang Li (Yuyao, China), Bin Liu (Yuyao, China), Lingbo He (Yuyao, China), Lin Huang (Yuyao, China), Fujian Dai (Yuyao, China) and Liefeng Zhao (Yuyao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical test system is provided, comprising, sequentially along an optical axis, a distance extension module and an optical lens assembly. The distance extension module comprises one or more lenses. The optical lens assembly comprises, sequentially along the optical axis from an object side to an image side: a diaphragm; a fi...