Acoustic alert communication system with enhanced signal to noise capabilities
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United States of America Patent
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Jan 30, 2007
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N/A
app pub date -
Aug 16, 2005
filing date -
Jul 23, 2004
priority date (Note) -
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Abstract
System, device and method for alerting an individual to an alert condition using acoustic alarms having less sensitivity to multipath distortion and having improved inherent signal to noise ratio properties, wherein the acoustic alarms are readily distinguishable using standard digital processing techniques.
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