Method and apparatus for reducing coupling between signals in a measurement system
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United States of America Patent
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Mar 18, 2014
Grant Date -
Apr 28, 2011
app pub date -
Jan 3, 2011
filing date -
Jul 8, 2003
priority date (Note) -
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Abstract
A method and an apparatus for separating a composite signal into a plurality of signals is described. A signal processor receives a composite signal and separates a composite signal in to separate output signals. Feedback from one or more of the output signals is provided to a configuration module that configures the signal processor to improve a quality of the output signals. In one embodiment, the signal processor separates the composite signal by applying a first demodulation scheme to the composite signal to generate a first output signal. In one embodiment, the signal processor also applies a second demodulation scheme to the composite signal to generate a second output signal. In one embodiment, the composite signal is obtained from a detector in a system for measuring one or more blood constituents.
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