APPARATUS AND METHOD FOR REMOVING NOISE FROM A BIOELECTRICAL SIGNAL
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Feb 1, 2013
filing date -
Feb 1, 2013
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Abandoned
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Abstract
A method and apparatus for removing noise from a bioelectrical signal are provided. A main analog signal from a bioelectrical test probe and a gating signal are received. A main data stream associated with the main analog signal from the bioelectrical test probe is developed. An adaptive noise cancellation (ANC) unit operates to develop an output data stream by removing noise components from the main data stream in accordance with the reference data stream. If the gating signal indicates that the main analog signal was acquired during a period of bioelectrical activity then the ANC unit operates in a fixed mode, and if the gating signal indicates that the main analog signal was acquired during a period without bioelectrical activity then ANC unit operates in an adaptive mode.
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