Wearable heart rate monitor

  • US 8,920,332 B2
  • Filed: 06/03/2014
  • Issued: 12/30/2014
  • Est. Priority Date: 06/22/2012
  • Status: Active Grant
First Claim
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1. A method of operating a heart rate monitor of a wearable fitness monitoring device comprising a plurality of sensors including the heart rate monitor and a motion detecting sensor, the method comprising:

  • (a) detecting motion of the wearable fitness monitoring device using the motion detecting sensor;

    (b) in response to detecting the motion in (a), operating the heart rate monitor in a worn detection mode configured to detect near proximity of the wearable fitness monitoring device to a user'"'"'s skin; and

    (c) upon determining via the worn detection mode that the wearable fitness monitoring device is proximate to the user'"'"'s skin, operating the heart rate monitor in a first mode configured to determine one or more characteristics of the user'"'"'s heartbeat waveform, and wherein operations (b) and (c) are carried out by a processor.

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