ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,920, issued on June 17.
"Earthquake detection and alarm unit and system" was invented by Sami Sajrawi (Abu Snan, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical motion and horizontal motion detection and alarm units for detecting vertical motion are described as well as a motion detection and alarm apparatus for detecting motion. A wide area seismic alarm system is described that comprises a plurality of motion detection and alarm apparatus as described that are located in plurality of locations throughout the monitored area."
The patent was filed on Aug. 10, 2020, under Application No. 17/634,738.
*For further information, includ...