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Slotted beam piezoelectric composite

  • US 7,692,365 B2
  • Filed: 11/24/2006
  • Issued: 04/06/2010
  • Est. Priority Date: 11/23/2005
  • Status: Active Grant
First Claim
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1. An energy harvesting device, comprising a composite structure including a first spring and a piezoelectric structure, wherein said first spring has a first spring surface having elevated portions separated by a recessed portion, wherein said piezoelectric structure substantially crosses said recessed portion, and wherein said piezoelectric structure includes a piezoelectric element bonded to said elevated portions.

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