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Ultrasonic harmonic signal acquisition

  • US 6,516,667 B1
  • Filed: 03/07/2000
  • Issued: 02/11/2003
  • Est. Priority Date: 03/07/2000
  • Status: Expired due to Fees
First Claim
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1. An ultrasonic diagnostic imaging system comprising:

  • a transducer which receives ultrasonic echo signals containing fundamental and harmonic signal components;

    a frequency sensitive circuit, coupled to receive echo signals produced by said transducer, which passes harmonic frequency signal components relative to fundamental frequency signal components;

    an analog to digital converter coupled to receive echo signals processed by said frequency sensitive circuit; and

    a digital beamformer coupled to receive digital echo signals produced by said analog to digital converter.

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