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Antenna capacitance for energy storage

  • US 7,479,886 B2
  • Filed: 08/25/2006
  • Issued: 01/20/2009
  • Est. Priority Date: 08/25/2006
  • Status: Expired due to Fees
First Claim
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1. An apparatus, comprisinga device for wireless communications, comprising:

  • an antenna;

    an electronic circuit coupled to the antenna;

    a power harvesting circuit coupled to the antenna, the power harvesting circuit to obtain electrical energy from a power source;

    wherein the antenna is operable as a capacitor to store at least a portion of the electrical energy harvested by the power harvesting circuit, and to provide at least a portion of the stored electrical energy as operating power to the electronic circuit.

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