ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,688, issued on June 10, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Apparatus and method for estimating bio-information" was invented by Chang Soon Park (Chungju-si, South Korea) and Ui Kun Kwon (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blood pressure monitor may include a photoplethysmogram (PPG) sensor to obtain a PPG sensor and at least one processor configured to extract characteristic points from the PPG signal, determine internally dividing points of the characteristic points based on time values of the characteristic points, extract feature values from the PPG signal based on the int...