ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,626, issued on Oct. 20, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Encoding method and encoding device using complex signal and decoding method and decoding device using complex signal" was invented by Seung Kwon Beack (Daejeon, South Korea), Jongmo Sung (Daejeon, South Korea), Tae Jin Lee (Sejong-si, South Korea), Woo-taek Lim (Sejong-si, South Korea), Inseon Jang (Daejeon, South Korea) and Byeongho Cho (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoding method and an encoding device using a complex signal and a decoding method and a decoding device using a complex sig...