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Security and tracking systems including energy harvesting components for providing autonomous electrical power

  • US 9,923,514 B1
  • Filed: 01/26/2017
  • Issued: 03/20/2018
  • Est. Priority Date: 01/26/2017
  • Status: Active Grant
First Claim
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1. A self-powered sensor device, comprising:

  • an energy harvesting element arranged on a body structure;

    a sensor device arranged on the body structure and powered by electrical energy generated by the energy harvesting element, the sensor device generating a sensor output signal according to a sensed parameter measured by the sensor device; and

    an energy transmissive layer arranged over the energy harvesting element and the sensor device on the body structure, the energy transmissive layer having a body-facing side facing a surface of the body structure, and an energy-incident side opposite the body-facing side,the energy-incident side presenting a consistent opaque appearance when viewed from substantially any aspect on the energy incident side, andthe energy transmissive layer passing 50% or more of light energy impinging on the energy transmissive layer through the energy transmissive layer to activate the energy harvesting element.

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