ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,736, issued on May 26.
"Centrifugal switch activated device" was invented by Derrick Ray McCurdy (Aurora, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A centrifugally activated electronic device without an external switch. The electronic device includes an activation circuit, a power source, and electronic components sealed within a housing. The activation circuit includes a pair of centrifugal switches on opposite sides of the housing, which are closed by rapidly rotating the device housing, to complete the activation circuit and thereby turn on at least one of the electronic components. The electronic components include a power switch compon...