ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,856, issued on April 14, was assigned to National University of Defense Technology (Changsha, China).

"Device and method for multi-angle stereoscopic imaging measurement of precipitation particles" was invented by Xichuan Liu (Changsha, China), Lei Liu (Changsha, China), Qingwei Zeng (Changsha, China), Shulei Li (Changsha, China) and Jinfeng Ding (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a device and a method for multi-angle stereoscopic imaging measurement of precipitation particles, including an optical illumination unit used for illuminating a sampling space; a multi-angle imaging unit used for performing multi...