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Method and apparatus for harvesting energy from mechanical vibrations

  • US 7,977,852 B2
  • Filed: 04/18/2007
  • Issued: 07/12/2011
  • Est. Priority Date: 04/18/2006
  • Status: Expired due to Fees
First Claim
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1. A method of harvesting energy from a vibrational energy source having a varying energy characteristic, including the step of varying a characteristic of a harvesting arrangement arranged to harvest the energy, the characteristic of the harvesting arrangement being varied in response to the varying energy characteristic of the vibrational energy source for a non-instantaneous time period, the method including the further step of determining changes in the varying energy characteristic over the non-instantaneous time period and adaptively controlling the variation of the characteristic of the harvesting arrangement in response to the determined changes based on an adaptive learning algorithm.

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