ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,265, issued on June 3, was assigned to NORTHWEST UNIVERSITY (Xi'An, China).

"Real-time landslide disaster monitoring and early warning system based on beidou positioning" was invented by Haijun Qiu (Xi'an, China), Yaru Zhu (Xi'an, China) and Wen Nie (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A real-time landslide disaster monitoring and early warning system based on Beidou positioning comprises a data acquisition module, a signal transmission module and a remote early warning center, wherein the output end of the data acquisition module is connected with the input end of the signal transmission module, and the output end of the sign...