ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,529, issued on June 9, was assigned to P-WAVER INC. (Taipei, Taiwan).

"Method of determining earthquake by time series intersection of a plurality of seismographs" was invented by Hung-Wei Chiang (Taipei, Taiwan), Hsiu-Hsien Wang (Taipei, Taiwan) and Pei-Yang Lin (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An earthquake detection method is disclosed. The method comprises the following steps: receiving a first signal and at least a second signal, wherein the first signal is triggered in response to a first vibration state of a main detection site, and the at least a second signal is triggered in response to at least a second vibrati...