Method and apparatus for wireless powering and recharging

  • US 6,127,799 A
  • Filed: 05/14/1999
  • Issued: 10/03/2000
  • Est. Priority Date: 05/14/1999
  • Status: Expired due to Fees
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First Claim
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1. A charge storage device chargeable by an RF electromagnetic field radiated into free space, comprising:

  • at least one antenna adapted to receive the radiated RF electromagnetic field, the at least one antenna being a plurality of dipole antenna elements that are combined to form at least two subsets of dipole antenna element arrays, wherein a subset is oriented at an acute or a right angle with respect to at least one other subset; and

    a rectifier connected to the antenna for rectifying the received RF electromagnetic field into a DC output current;

    wherein the DC output current produced by the rectifier charges the charge storage device.

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