Patent ID: 8663118
Filing Date: 2014-03-04
Classification: A61B,G01C

Abstract:
1. An arm-based pedometer comprising: an optical sensor for generating a real-time vital sign signal corresponding to the heart rate of the user, an accelerometer; a processor configured to perform a pedometer function based on a plurality of signals from the accelerometer; a powering source for the monitoring device; and a short range wireless transceiver for transmitting the real-time vital sign signal; 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 at 567 nanometers.