Automatic crash detection

  • US 10,223,843 B1
  • Filed: 08/21/2018
  • Issued: 03/05/2019
  • Est. Priority Date: 04/13/2015
  • Status: Active Grant
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First Claim
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1. A mobile device comprising:

  • an accelerometer;

    communication circuitry;

    a processor; and

    memory storing computer-executable instructions that, when executed by the processor of the mobile device, cause the processor of the mobile device to;

    start a time window for measuring acceleration using the accelerometer, wherein the time window comprises a time duration;

    during the time duration, receive, from the accelerometer, a plurality of acceleration measurements measured by the accelerometer;

    based on the plurality of acceleration measurements measured by the accelerometer and received during the time duration, determine a number of acceleration events occurring during the time window;

    when the number of acceleration events occurring during the time window does not exceed a threshold number of acceleration events, determine that the mobile device was dropped or a vehicle associated with the mobile device was involved in a braking event; and

    send, via the communication circuitry and to a computing device, one or more of data indicating that the mobile device was dropped or data indicating that the vehicle was involved in a braking event.

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