Multi-sensor fire detectors with audio sensors and systems thereof
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United States of America Patent
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May 22, 2007
Grant Date -
May 26, 2005
app pub date -
Nov 21, 2003
filing date -
Nov 21, 2003
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Abstract
An ambient condition detector incorporates an audio transducer for discrimination between alarm and non-alarm conditions. The transducer can provide occupancy information. In addition, a monitoring system can graphically present information as to the location of individuals, such as fire fighters, in the region.
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