Portable biometric monitoring devices and methods of operating same

摘要: The present inventions, in one aspect, are directed to portable biometric monitoring device including a housing having physical size and shape that is adapted couple the user's body, at least band secure user, physiological sensor, disposed housing, generate data which representative of condition user data. sensor may include light source output first wavelength, photodetector detect scattered (e.g., from user). A pipe optically coupled directs/transmits therefrom along predetermined path an outer surface housing. Processing circuitry calculates heart rate using light.