Automatic ultrasound transmit power setting method and system
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United States of America Patent
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Feb 22, 2005
Grant Date -
Aug 21, 2003
app pub date -
Feb 20, 2002
filing date -
Feb 21, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and systems for automatic adjustment of the transmit power are provided. Excess transmit power is determined as a function of the difference between a noise level and the lower end of the dynamic range of the system as configured. Based on the excess transmit power, the transmit power is reduced from the regulated maximum default settings to about a minimum while substantially preserving the original display image. This minimizes the acoustic energy delivered to the transducer and the body, thus reducing transducer heating and satisfying the FDA's ALARA principle.
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