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Electromagnetic device for converting mechanical vibrational energy into electrical energy

  • US 7,795,763 B2
  • Filed: 03/23/2005
  • Issued: 09/14/2010
  • Est. Priority Date: 03/26/2004
  • Status: Active Grant
First Claim
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1. An electromagnetic generator comprising two magnets and a coil disposed therebetween, the two magnets being configured to define therebetween a region of magnetic flux in which the coil is disposed whereby relative movement between the coil and the magnets generates an electrical current in the coil, and a vibratable first mount for each of the magnets, a vibratable second mount for the coil, and a common mount, whereby each of the magnets and the coil are respectively vibratable relative to the common mount about a respective central position, wherein the vibratable first mount and the vibratable second mount are adapted to vibrate out of phase when excited to vibrate by a common input of vibration energy, so that the coil and its respective magnets vibrate out of phase with each other.

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