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Volumetric ultrasonic imaging with diverging elevational ultrasound beams

  • US 5,305,756 A
  • Filed: 04/05/1993
  • Issued: 04/26/1994
  • Est. Priority Date: 04/05/1993
  • Status: Expired due to Fees
First Claim
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1. In an ultrasonic imaging system, including transducer means having an ultrasonic energy emitting surface for scanning a region in front of said emitting surface in an azimuthal direction by mechanically sweeping beams emitted from said transducer means over said region, and means for producing an image from echoes received by said transducer means, said transducer means further comprising means for focusing the ultrasonic energy emitted by said transducer means in the azimuthal direction at a focal range in front of said emitting surface and means for diverging said ultrasonic energy in the elevation direction within said azimuthal focal range.

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