SELF-CALIBRATING ULTRASOUND SYSTEMS AND METHODS
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United States of America Patent
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Issued Date -
May 27, 2010
app pub date -
Nov 24, 2008
filing date -
Nov 24, 2008
priority date (Note) -
Abandoned
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Abstract
Systems, apparatus, and methods for controlling acoustic power delivery at ultrasonic frequencies. An embodiment of the invention comprises an ultrasonic device including an ultrasonic transducer and an acoustic sensor having a fixed acoustic coupling to the transducer. A method of the invention may include sensing acoustic power output from the ultrasonic transducer in response to a calibration signal, and determining a drive frequency for a working drive signal to enable efficient and controllable operation of the transducer. The invention may be used for automatically re-calibrating ultrasound systems for optimum performance at frequencies including the range of 3 to 12 MHz.
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