Motor vehicle operating data collection and analysis

  • US 9,196,098 B2
  • Filed: 11/22/2013
  • Issued: 11/24/2015
  • Est. Priority Date: 06/01/2005
  • Status: Active Grant
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First Claim
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1. A driving data recorder comprisingan interface to an on-board diagnostic port of a vehicle;

  • a processing unit comprising a processor; and

    a memory unit, wherein the driving data recorder is configured to;

    receive, through the interface, vehicle speed data corresponding to a vehicle'"'"'s movement at regular periodic intervals;

    detect an excess speed event when the vehicle speed data passes over a predetermined speed limit;

    detect that time of day is after-sunset;

    detect that the vehicle is accelerating;

    determine, by the processing unit, that the excess speed event occurred both during the after-sunset time of day and during the acceleration of the vehicle;

    responsive to the determining that the excess speed event occurred both during the after-sunset time of day and during the acceleration of the vehicle, negatively adjust a safety rating associated with the vehicle of a driver based on a magnitude of the acceleration of the vehicle; and

    record, in the memory unit, the adjusted safety rating.

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