Integrated bias circuitry for ultrasound imaging devices configured to image the interior of a living being
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United States of America Patent
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Nov 20, 2012
Grant Date -
Sep 8, 2011
app pub date -
May 16, 2011
filing date -
Oct 14, 2004
priority date (Note) -
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Abstract
The systems and methods described herein allow for the application of a bias voltage to one or more transducers implemented within a medical ultrasound imaging system. Bias circuitry is placed within an imaging device and used to apply a DC bias to one or more transducers requiring a DC bias to operate. The one or more transducers can be fabricated in a semiconductor manufacturing process and integrated with the bias circuitry on a common semiconductor substrate. Also provided is a method for operating the one or more transducers and bias circuitry using a communication channel having two signal lines.
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