ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,775, issued on Nov. 18, was assigned to Crystalvue Medical Corp. (Taoyuan, Taiwan).

"Optical detection device and operating method thereof" was invented by Hsuan-Hao Chao (Tainan, Taiwan), Sung-Yang Wei (New Taipei, Taiwan), William Wang (Taoyuan, Taiwan) and Chung-Cheng Chou (Luzhu Township, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical detection device and an operation method thereof is disclosed. The optical detection device includes a light source, an optical coupling element, a reference optical path modulation element and a data processing element. The light source provides an incident light. The optical coupling element div...