ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,117, issued on Oct. 14, was assigned to Korea Electronics Technology Institute (Seongnam-si, South Korea).

"FMCW radar target detection method for vital signal detection" was invented by Sung Ho Lee (Seoul, South Korea), Min Geon Shin (Seongnam-si, South Korea) and Yong Chul Jung (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an FMCW radar target detection method for vital signal detection. A method for detecting vital signals by using radar selects a range bin where there are accurate vital signals by using a correlation between a phase change profile of an IF signal caused by a minute motion, and a target sign...