ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,373, issued on Sept. 23, was assigned to Tsinghua University (Beijing).

"System and method for electromagnetic monitoring of active cracks in concrete dam" was invented by Songling Huang (Beijing), Lisha Peng (Beijing), Xinjie Yu (Beijing), Jinghua Zhang (Beijing), Shisong Li (Beijing) and Shuzhi Wen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a system for electromagnetic monitoring of active cracks in a concrete dam. The system includes at least four electromagnetic signal acquisition devices and a main control module. Each electromagnetic signal acquisition device includes: an electromagnetic monitoring sensor,...