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Multiple-frequency ultrasonic phased array driving system

  • US 8,485,974 B2
  • Filed: 11/15/2010
  • Issued: 07/16/2013
  • Est. Priority Date: 11/15/2010
  • Status: Active Grant
First Claim
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1. An apparatus for sonicating a patient, said apparatus comprising:

  • an ultrasound array having a plurality of transducers;

    a driving module for driving said transducers;

    a control kernel configured to cause said driving module to drive said transducers concurrently at two different frequencies, wherein the control kernel comprises;

    a master microcontrol unit and a plurality of slave microcontrol units, each of said slave microcontrol units configured to control a subset of said transducers, wherein said master microcontrol unit provides instructions to said slave microcontrol units;

    and a dual stage voltage controlled oscillator/phase locked loop (VCO/PLL) circuit comprising;

    a first stage that receives a waveform having a first particular frequency and scales that first particular frequency by a first scale factor, and a second stage that receives a waveform having a second particular frequency and scales that second particular frequency by a second scale factor.

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