Patent 10285626 was granted and assigned to Apple (company) on May, 2019 by the United States Patent and Trademark Office.
An electronic device that can be worn by a user can include a processing device and one or more optical heart rate monitors operatively connected to the processing device. The processing device can be adapted to receive a OHRM signal from at least one optical heart rate monitor. The OHRM signal includes one or more motion artifacts that are produced by a physical activity of the user. The processing device can be adapted to analyze the OHRM signal to determine the physical activity of the user.