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PORTABLE BIOMETRIC MONITORING DEVICES HAVING LOCATION SENSORS

  • US 20150138014A1
  • Filed: 01/28/2015
  • Published: 05/21/2015
  • 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;

    (b) determining that an ephemeris update condition has been met, wherein the update condition is selected from the group consisting of the worn biometric monitoring device having a battery charge level exceeding a battery charge threshold, the worn biometric monitoring device having a spare processing ability exceeding a threshold processing ability, detecting user interaction with the worn biometric monitoring device, detecting user movement with the worn biometric monitoring device, and detecting that the worn biometric monitoring device is outdoors; and

    (c) responsive to (a) and (b), obtaining updated ephemeris data via a wireless short-range, low-power communication protocol from a secondary device associated with the worn biometric monitoring 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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