ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,551, issued on May 26, was assigned to The Sloan Co. Inc..
"Arc detection system" was invented by Sung-An Woo (Camarillo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention generally directed to arc detection circuits or systems that help prevent fire damage to solid state (LED) based light sources by providing an arc detection system that can be used to detect acing in LED based light fixtures. Once the arcing is detected, power can be quickly turned off to the lighting system. One arc detection circuit according to the present invention comprises a high pass filter circuit arranged to accept an electrical signal with an arc...