ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,161, issued on Oct. 27, was assigned to ResMed Sensor Technologies Ltd. (Ireland).
"System and method for determining sleep stage" was invented by Gareth McDarby (Wicklow, Ireland), Emer O'Hare (Dublin), Paul Phillips (Donaghadee, Great Britain), Conor Heneghan (San Diego) and Trevor Murray (Belfast, Ireland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus monitor health by detection of sleep stage. For example, a sleep stage monitor (100) may access sensor data signals related to bodily movement and/or respiration movements. At least a portion of the detected signals may be analyzed to calculate respiration variability. The resp...