System and method for wireless electrical power transmission

  • US 6,798,716 B1
  • Filed: 06/19/2003
  • Issued: 09/28/2004
  • Est. Priority Date: 06/19/2003
  • Status: Active Grant
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First Claim
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1. A power transmitting device of wireless power transmission system using ultrasound, comprising:

  • a power processor receiving power from a power source; and

    an ultrasound power unit using power derived from the power source for generating at least one directional ultrasound beam, the ultrasound power unit including;

    a set of ultrasound transducers forming an ultrasound transducer array, wherein the array is a set of spaced individual transducers placed in the X-Y plane disposed to generate an ultrasound beam in the Z direction.

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