ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,414,740, issued on Sept. 16, was assigned to FITBIT LLC (San Francisco).
"System and method for characterizing cardiac arrhythmia" was invented by Conor Heneghan (Campbell, Calif.), Subramaniam Venkatraman (Lafayette, Calif.) and Alexandros Pantelopoulos (El Cerrito, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, a data processing method comprises obtaining one or more photoplethysmography (PPG) signals from one or more PPG sensors of a monitoring apparatus, the PPG signals being generated based upon optically detecting pulsed variations in blood flow; obtaining a motion sensor signal from a motion sensor in the monitoring appa...