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Methods and systems related to remote tamper detection

  • US 8,928,471 B2
  • Filed: 03/14/2013
  • Issued: 01/06/2015
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • tracking location of an asset by an onboard device mechanically coupled to the asset, the onboard device electrically coupled to a source of power of the asset, and the onboard device receiving power from the asset;

    charging a supercapacitor coupled to the onboard device; and

    thendetecting a complete loss of power provided to the onboard device, the loss of power indicative of tampering with the onboard device, and the detecting by the onboard device; and

    after the complete loss of power sending a message by wireless transmission, the sending based on power derived from the supercapacitor, the message indicative of tampering with the onboard device, and the message including an indication of a last known voltage provided by the asset prior to the complete loss of power, and the sending by the onboard device during the complete loss of power.

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