ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,453, issued on Oct. 21, was assigned to K-ENERGY SYSTEM Co. LTD. (Wonju-si, South Korea).
"Arc detector having multi-band frequency detection function" was invented by Eung Seok Kim (Wonju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention proposes an arc detector having a multi-band frequency detection function, which divides an arc frequency band using multiple band-pass filters and detects whether or not an arc occurs in each of the divided frequency bands, thereby eliminating switching noise or power supply noise that mainly occurs in a certain frequency band, and consequently increasing the accuracy of arc dete...