Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dragan P. Petrovic0
Lorenzo Luterotti0
Date of Patent
February 24, 2009
0Patent Application Number
118641190
Date Filed
September 28, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An aspirated smoke detector includes a flow path and a generator of acoustic waves in the flow path. Airborne particulate matter in the flow path responds to the acoustic field by particle agglomeration; the resulting larger particles flow into a photoelectric-type smoke sensor. A sensed level of particles can be processed, or compared to one or more predetermined thresholds to establish presence of one or more predetermined conditions.
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