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Portable biometric monitoring devices having location sensors

  • US 8,976,062 B2
  • Filed: 04/01/2014
  • Issued: 03/10/2015
  • Est. Priority Date: 04/01/2013
  • Status: Active Grant
First Claim
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1. A method of determining a global position of a worn biometric monitoring device with a memory configured to store ephemeris data, the method comprising:

  • (a) determining that the worn biometric monitoring device does not have stored updated ephemeris data in the memory; and

    (b) responsive to (a), obtaining updated ephemeris data via a wireless short-range, low-power communication protocol from a secondary device associated with the worn biometric monitoring device, obtaining a last calculated global position of the associated secondary device, and storing the updated ephemeris data in the memory, wherein the updated ephemeris data originated from a server configured to serve updated ephemeris data.

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