Apparatus and methods for testing acoustic probes and systems
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United States of America Patent
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Apr 18, 2006
Grant Date -
Oct 28, 2004
app pub date -
Apr 28, 2003
filing date -
Apr 28, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus are provided for testing an acoustic device that has multiple transducing elements adapted for conversion between acoustic and electrical signals. An electrical transmission signal is generated. The electrical transmission signal is transmitted to a selected transducing element. An electrical received signal is received from the acoustic device. A reference signal is generated. A capacitance associated with the selected transducing element is determined from the reference signal. Operational characteristics of the selected transducing element are diagnosed from the determined capacitance and the electrical received signal.
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