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Electro-dynamic phased array lens for controlling acoustic wave propagation

  • US 6,554,826 B1
  • Filed: 04/21/2000
  • Issued: 04/29/2003
  • Est. Priority Date: 04/21/2000
  • Status: Expired due to Fees
First Claim
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1. A lens for controlling a characteristic of an acoustic wave passing through the lens, comprising:

  • an array of cells disposed in a plane, each cell coupled to a respective electrical connection; and

    a voltage-sensitive medium disposed in each cell, the medium having an effect on the acoustic wave that varies with a voltage applied across the medium through the respective electrical connection.

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  • 4 Assignments
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