ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,936, issued on June 3, was assigned to P-Waver Inc. (Taipei, Taiwan).

"Combined configuration of a free field and a remote signal source, and its earthquake detecting system" was invented by Hung-Wei Chiang (Taipei, Taiwan), Pei-Yang Lin (Taipei, Taiwan) and Hsiu-Hsien Wang (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the present invention, an earthquake detection system based on the combination configuration of a free field and remote signal source is provided. The earthquake detection system includes: a host; a main sensor arranged in a free field and connected to the host; and a plurality of backup sensors, which are remotely ...