ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,656, issued on April 15, was assigned to BG T&A Co. (Gunpo-si, South Korea).

"Detector and method of determining validity for determination on presence of specific signal of detector" was invented by Byung Gon Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of determining validity for determination on presence of a specific signal of a detector according to an embodiment of the present disclosure includes: (a) receiving a synthesized signal generated from an outside by the detector; (b) acquiring a plurality of frequency domain calculation values related to the synthesized signal; (c) determining the presence of at ...