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ELECTROMECHANICAL ENERGY HARVESTING SYSTEM

  • US 20110309618A1
  • Filed: 08/30/2011
  • Published: 12/22/2011
  • Est. Priority Date: 12/09/2005
  • Status: Active Grant
First Claim
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1. A method of electromechanical energy harvesting comprising:

  • sensing electrical current generated by relative movement of a coil and a magnetic flux source produced by movement of a cantilevered beam in response to ambient vibration energy;

    determining a vibration characteristic of the ambient vibration energy; and

    adjusting an effective flexible length of the cantilevered beam as a function of the vibration characteristic and the sensed electrical current.

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