US Patent Issued to AMAZON TECHNOLOGIES on Oct. 14 for "Systems for determining physiological values based on signal characteristics" (California, Washington Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,110, issued on Oct. 14, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).

"Systems for determining physiological values based on signal characteristics" was invented by Anantharanga Prithviraj (Santa Clara, Calif.), Sichao Shi (Bellevue, Wash.) and Haithem Albadawi (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photoplethysmogram (PPG) signal may be used to determine values representing a pulse rate, oxygen saturation, or respiration rate of a user by determining data points of the signal that correspond to local maxima (peaks) and local minima (valleys). Peaks and valleys are identified based on the directional components of set...