Signal processing apparatus for an ultrasound transducer, ultrasound receiver and method for operating an ultrasound receiver
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United States of America Patent
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Sep 8, 2009
Grant Date -
Feb 16, 2006
app pub date -
Jul 25, 2005
filing date -
Jul 23, 2004
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Abstract
To reduce signal interference and improve the signal-to-noise ratio in the transmitted signal, the analog signals produced by an ultrasound transducer are promptly digitized. In accordance with the invention, the demodulator is already shielded from the ultrasound transducers, immediately after the preamplifier, which is itself shielded from the ultrasound transducers, by an analog to digital converter, for example.
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