Method and system for detecting echo signals by simultaneous rec

Details Method and system for detecting echo signals by simultaneous rec Method and system for detecting echo signals by simultaneous rec

1990-06-12

1992-07-14

Jaworski, Francis

Surgery

Truss

Pad

73626, A61B 800

Patent

active

051293994

ABSTRACT:
In an ultrasound diagnosis apparatus, a focusing point of received ultrasound beams is moved along a transmission direction of the ultrasound beams so as to receive echo signals at all the focusing points on a scan line by one transmission operation. Reception opening portions of an ultrasound probe are changed to receive and add the echo signals in a plurality of directions at the respective focusing points, thereby reducing a speckle noise.

REFERENCES:
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patent: 4949310 (1990-08-01), Smith et al.
C. Yoshida et al., "Real Time Speckle Reduction in Ultrasound Imaging," Japan J. Med. Ultrasonics, vol. 13, No. 5 (1986), pp. 305-314.

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