System and method for powering a vehicle using radio frequency generators

  • US 7,451,839 B2
  • Filed: 05/24/2005
  • Issued: 11/18/2008
  • Est. Priority Date: 05/24/2005
  • Status: Active Grant
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First Claim
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1. A method comprising:

  • positioning a plurality of RF generators beneath the road surface of a roadway, the RF generators configured to transmit RF signals in a fixed, upward direction towards vehicles traveling over the roadway;

    identifying a particular driver and/or vehicle driving over the roadway;

    determining whether the driver and/or vehicle is authorized to receive the RF signals;

    selectively transmitting the RF signals only if the driver and/or vehicle is authorized to receive the RF signals;

    coupling a rectenna to the underside of a vehicle, the rectenna configured to receive the RF signals transmitted from the RF generators and to generate power from the RF signals; and

    using the power generated by the rectenna to power the vehicle.

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