Configurable sensor system for measuring biopotentials
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United States of America Patent
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Apr 27, 2004
Grant Date -
Jan 9, 2003
app pub date -
Jul 3, 2001
filing date -
Jul 3, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A configurable system for obtaining a measurement of activity producing biopotentials in a subject, for example EEG or EMG biopotentials. The system includes a three electrode array positionable on the head of the patient to detect signals generated in the head of the subject. The array is connected to a monitor that includes a switch arrangement that is selectively configurable to direct the incoming signals received by the electrode array to specified inputs of a differential amplifier that creates signals that are displayed on the monitor. The switch arrangement is configurable to measure the activity of the subject in a conventional 1-channel measurement mode. The switch arrangement can also be configured to simulate a 2-channel measurement mode by alternating the configuration of the switch arrangement in a pre-determined manner.
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