Recharging method and apparatus

  • US 7,373,133 B2
  • Filed: 06/11/2003
  • Issued: 05/13/2008
  • Est. Priority Date: 09/18/2002
  • Status: Active Grant
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First Claim
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1. A method of energizing a power storage device of a small remote station comprising:

  • providing said remote station with an energy receiving antenna for receiving ambient energy from the environment,providing on said remote station circuitry for converting said ambient energy into DC power for energizing said power storage device,employing as said antenna an antenna having an effective antenna area greater than its physical area,employing an LC tank circuit in said antenna to establish said effective area of the antenna greater than said physical area, said LC tank circuit being formed by providing the antenna with specific electrode and interelectrode dimensions and covering the antenna with a film of material having a specific capacitance, thereby causing said LC tank circuit to be formed, andemploying said antenna and said circuitry to deliver said DC power to said power storage device.

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