High resolution multiline ultrasonic beamformer

Details High resolution multiline ultrasonic beamformer High resolution multiline ultrasonic beamformer

1985-07-29

1987-02-24

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

73609, 73628, 128660, 367 62, G01N 2900

Patent

active

046447954

ABSTRACT:
The present invention is a multiline beamformer for use in a medical ultrasound scanner using a phased array transducer. Lines of ultrasound energy are generated having a pressure at the array aperture corresponding to sin (.pi.x)/.pi.x, where x is the normalized distance of the array element measured from the center of the array. This transmitted energy creates a flat field in space which can then be received in multiple receive lines, using bundled, parallel time delays.

REFERENCES:
patent: 3863201 (1975-01-01), Briggs et al.
patent: 4151504 (1979-04-01), Mayne et al.
patent: 4155329 (1979-05-01), Engeler
patent: 4320660 (1982-03-01), Tancrell
patent: 4448076 (1984-05-01), van Heelsbergen

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