Monitoring device with a pedometer

  • US 9,314,166 B1
  • Filed: 12/31/2013
  • Issued: 04/19/2016
  • Est. Priority Date: 06/13/2011
  • Status: Active Grant
First Claim
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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.

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