Aerosol average-density determining system

Details Aerosol average-density determining system Aerosol average-density determining system

1975-05-21

1977-04-19

McGraw, Vincent P.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

250575, 356207, G01N 2122

Patent

active

040185346

ABSTRACT:
Light shown through a space containing smoke or an aerosol is detected from everal paths through the space. The light may be gathered from physically separated optical fibers feeding a common photodetector, or several physically separated, series-connected photodetectors may be used. The total amount of light reaching the photodetector(s) is directly related to the average density of the smoke or aerosol.

REFERENCES:
patent: 3820897 (1974-06-01), Roess
patent: 3869208 (1975-03-01), Lorenz

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