US Patent Issued to ZHEJIANG SUNNY OPTICS on Sept. 15 for "Visual optical system" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,731, issued on Sept. 15, was assigned to ZHEJIANG SUNNY OPTICS Co. LTD. (Yuyao City, China).

"Visual optical system" was invented by Huan Liu (Yuyao City, China), Xiaobin Zhang (Yuyao City, China), Lin Huang (Yuyao City, China), Yinfang Jin (Yuyao City, China) and Liefeng Zhao (Yuyao City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A visual optical system comprises a first optical system and a second optical system. The first optical system comprises a first lens having a positive refractive power, a reflective polarizing element, a quarter-wave plate, a second lens having a refractive power and a third lens having a positive refractive p...