Minute ventilation sensor with dynamically adjusted excitation current
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United States of America Patent
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Aug 15, 2006
Grant Date -
Mar 11, 2004
app pub date -
Jul 12, 2002
filing date -
Jul 12, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A minute ventilation sensing device in which transthoracic impedance is measured with a excitation current waveform at a specified amplitude and frequency. In order reduce interference with the impedance measurement from external noise sources, a noise detection operation may be performed with the amplitude and/or frequency of the excitation current waveform adjusted accordingly.
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