Energy harvesting circuit

  • US 7,084,605 B2
  • Filed: 10/18/2004
  • Issued: 08/01/2006
  • Est. Priority Date: 10/29/2003
  • Status: Active Grant
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First Claim
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1. A remote station for receiving ambient energy from the environment and energizing one or more power storage devices of an object of interest comprising:

  • one or more antennae, each of said antennae harvesting RF energy from said ambient energy,one or more conversion circuits, each of said conversion circuits generating a DC signal for energizing said one or more power storage devices by converting the RF energy harvested by a respective one of said one or more antennae into DC energy, andone or more tuning circuits, each of said tuning circuits being electrically connected to a respective one of said one or more antennae to tune said respective one of said one or more antennae in order to maximize the DC signal generated from the RF energy harvested by said respective one of said one or more antennae.

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