Composite beam ultrasound imaging system having reduced image ar

Details Composite beam ultrasound imaging system having reduced image ar Composite beam ultrasound imaging system having reduced image ar

1990-08-01

1992-05-12

Jaworski, Francis

Surgery

Truss

Pad

73626, 73631, A61B 800, G01N 2904

Patent

active

051118246

ABSTRACT:
An apparatus for electrically blending echoes from a plurality of focused beams into a composite image having reduced image artifacts. The apparatus comprises a transducer generating a sequence of beams having different focal points and converting resultant echoes into electrical signals, a receiver with its gain adjusted according to (1) time and (2) the transmitted beam, a multiplier that develops the product of the receiver output and a gain selected both by the transmitted beam and (time), and a summing network that adds together outputs of the multiplier that originated from the same sound scatterer.

REFERENCES:
patent: 4398539 (1983-08-01), Proudian
patent: 4665924 (1987-05-01), Saito et al.
patent: 4691570 (1987-09-01), Hassler
patent: 4707813 (1987-11-01), Moeller et al.
patent: 4779622 (1988-10-01), Nakamura et al.
patent: 4813279 (1989-03-01), Shirosaka et al.
patent: 4974558 (1990-12-01), Katakura et al.

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