Power management systems for automotive video event recorders

  • US 9,554,080 B2
  • Filed: 02/10/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 11/07/2006
  • Status: Active Grant
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First Claim
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1. A vehicle electrical power management system coupled with a vehicle, the power management system comprising:

  • an electrical power source;

    an on-board diagnostics system coupled with the electrical power source configured to receive electrical power from the electrical power source via an on-board diagnostics system power bus;

    a video event recorder including a power input electrically coupled to the on-board diagnostics system power bus; and

    a power management module electrically coupled to the on-board diagnostics system power bus and arranged between the on-board diagnostics system and the video event recorder,wherein the power management module comprises an in-use detector and a switch, the switch arranged on a power supply line between the electrical power source and the video event recorder, the in-use detector configured to determine whether the vehicle is in use and;

    responsive to determining that the vehicle is in use, activate the switch such that power is provided to the video event recorder; and

    responsive to determining that the vehicle is not in use, deactivate the switch such that, responsive to the switch being deactivated, the video event recorder is left unpowered.

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