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Infant monitoring system and methods

  • US 9,848,786 B2
  • Filed: 09/12/2014
  • Issued: 12/26/2017
  • Est. Priority Date: 09/12/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method for changing a state of a wearable device for an infant, comprising:

  • at the wearable device, detecting motion of the wearable device when a motion sensor included in the wearable device outputs a voltage that exceeds a threshold voltage corresponding to a threshold motion magnitude of the wearable device;

    in response to the detecting of the motion, transitioning the wearable device from a low-power mode into a test mode by waking a processor included in the wearable device, arming a proximity sensor included in the wearable device, and arming a temperature sensor included in the wearable device;

    in the test mode;

    detecting a proximity of the wearable device to a surface with the proximity sensor;

    detecting a temperature of the surface with the temperature sensor;

    determining, at the processor, that the surface is human skin of an infant based on the temperature of the surface; and

    in response to determining that the surface is the human skin of the infant, transitioning from the test mode into an active mode by activating a heart rate sensor included in the wearable device and activating a wireless communication module included in the wearable device; and

    in the active mode;

    receiving, at the processor, data signals from the heart rate sensor;

    determining a heart rate value corresponding to the data signals; and

    acquiring raw data from one or more of the motion sensor, the proximity sensor, and the temperature sensor;

    wirelessly broadcasting, via the wireless communication module, the heart rate value and the acquired raw data to a base station such that the base station thereby determines a wake time for the infant.

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