Patent ID: 9314166
Filing Date: 2016-04-19
CPC Classification: A61B,G01C

Claim Text:
1. An arm-based pedometer comprising: an optical sensor for generating a real-time vital sign signal corresponding to a real-time heart rate of a user, an accelerometer; a processor configured to perform a pedometer function based on a plurality of signals from the accelerometer to generate a distance traveled by the user; and wherein the optical sensor is an optical sensor comprising a light-to-voltage photodetector capable of transmitting a digital signal, and at least one light emitting diode capable of radiating light ranging from 550 nanometers to 1100 nanometers, an optical sensor comprising a light-to-frequency photodetector capable of transmitting a digital signal, and at least one light emitting diode capable of radiating light ranging from 600 nanometers to 1100 nanometers, an optical sensor comprising a plurality of light-to-voltage photodetectors capable of transmitting a digital signal, and at least one light emitting diode capable of radiating light ranging from 550 nanometers to 1100 nanometers, an optical sensor comprising a plurality of light-to-frequency photodetectors capable of transmitting a digital signal, and at least one light emitting diode capable of radiating light ranging from 550 nanometers to 1100 nanometers, or an optical sensor comprising a light-to-voltage photodetector capable of transmitting a digital signal, and at least one light emitting diode capable of radiating light from 500 nanometers to 570 nanometers.