Method and apparatus for focusing transmission and reception of ultrasonic beams
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United States of America Patent
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Apr 12, 1994
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N/A
app pub date -
Mar 27, 1992
filing date -
Mar 27, 1992
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Abstract
An ultrasound imaging system for performing dynamic focusing of ultrasonic waves during transmit and receive. The present invention includes a method and a means for transmitting ultrasonic waves to a multiple depths within a body. The present invention optimizes the transmit frequency for each of the multiple depths to localize the energy of the ultrasonic waves. The present invention also includes a method and means for performing dynamic receive focusing of the reflected ultrasonic waves produced by discontinuities in the body, such that it is focused to receive ultrasonic waves from the depth at which the transmitted ultrasonic waves are focused.
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