Automatic crash detection

  • US 10,083,550 B1
  • Filed: 01/25/2018
  • Issued: 09/25/2018
  • Est. Priority Date: 04/13/2015
  • Status: Active Grant
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First Claim
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1. A mobile computing device comprising:

  • an accelerometer configured to measure acceleration of at least one axis of the accelerometer;

    communication circuitry configured to wirelessly communicate with other devices;

    a processor; and

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

    determine whether a trigger event has occurred;

    after determining that the trigger event has occurred, initiate 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;

    after the time duration, determine, based on the plurality of acceleration measurements measured by the accelerometer and received during the time duration, 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 a vehicle associated with the mobile computing device was not involved in a crash and determine that the mobile computing device was dropped or the vehicle was involved in a braking event; and

    transmit, via the communication circuitry and to a server, data corresponding to the number of acceleration events occurring during the time window and indicating that the vehicle was not involved in a crash.

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