Apparatus and method for detecting aerosol

Details Apparatus and method for detecting aerosol Apparatus and method for detecting aerosol

2005-04-14

2008-11-25

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

By particle light scattering

With photocell detection

C356S337000

Reexamination Certificate

active

07456961

ABSTRACT:
The apparatus and method for detecting aerosol includes transmitting a light beam, focusing at least one image sensor having a field of view that encompasses at least a portion of the light beam on a portion of the light beam, capturing an image of the light beam by the image sensor(s), and detecting aerosol if the image of the light beam has a predefined shape and at least a predetermined intensity. Therefore, the apparatus and method for detecting aerosol permit the accurate detection of aerosol, while ignoring the stray contaminants that routinely cause false alarms in conventional aerosol detectors. In particular, an image of a light beam is sensed when aerosol is present, such that random contaminants that adhere to the walls of a detection chamber or that pass through the light beam do not affect the aerosol detection.

REFERENCES:
patent: 5644388 (1997-07-01), Maekawa et al.
patent: 5678126 (1997-10-01), Rathbun
patent: 6377183 (2002-04-01), Baker et al.
patent: 2004/0246479 (2004-12-01), Cartlidge et al.
patent: 2005/0002021 (2005-01-01), Kreh et al.
patent: 2006/0202847 (2006-09-01), Oppelt et al.
Thorsten Schultze, Ingolf Willms, Smoke And Dust Monitoring By A Microscope Video Sensor,AUBE '04, International Conference On Automatic Fire Detection, Sep. 14-16, 2004, 7 pages, University Duisburg-Essen, Duisburg, Germany.

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