ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,574, issued on Nov. 18, was assigned to TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL (Guangdong, China).

"Encoded illumination real-time focusing scanning imaging device and method" was invented by Yongbing Zhang (Guangdong, China), Kaifa Xin (Guangdong, China), Xiangyang Ji (Guangdong, China) and Haoqian Wang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoded illumination real-time focusing scanning imaging device includes an LED array, an object stage, an objective lens, a liquid lens, a lens sleeve, and a camera. The object stage is used for placing a sample, the LED array is used for emitting bright field light or enc...