Activity detector circuit
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2003
app pub date -
Mar 17, 2003
filing date -
Mar 18, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An activity detection system for use with a signal having a high value and a low value has a differential amplifier, a filter and a comparator configured to compare a signal to a threshold value and determine if the threshold value is above the signal, below the signal or in between the high and low values of the signal.
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