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    Patent

    Methods and apparatus to obtain suspended particle information
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    Inventor(s):
    Steven Ruggiero, Carol Tanner
    Patent Number:
    US 8456635 B2
    Description:

    Example methods and apparatus for obtaining suspended particle information are disclosed. A disclosed example method includes emitting light from a light source, dividing the light source into a first path and a second path, and directing the first path to a first container comprising a plurality of particles in a suspension material. The example method also includes directing the second path to a second container containing a suspension material devoid of particles, retrieving a first transm…

    Date Issued:
    2013-06-04
    Title
    Methods and apparatus to obtain suspended particle information
    Description
    Example methods and apparatus for obtaining suspended particle information are disclosed. A disclosed example method includes emitting light from a light source, dividing the light source into a first path and a second path, and directing the first path to a first container comprising a plurality of particles in a suspension material. The example method also includes directing the second path to a second container containing a suspension material devoid of particles, retrieving a first transmission value of the first path through the first container, and retrieving a second transmission value of the second path through the second container. The example method further includes directing the first and second paths to the second and first containers, respectively, retrieving a third transmission value of the first path through the second container, retrieving a fourth transmission value of the second path through the first container, and calculating a ratio of the first and second transmission values to the third and fourth transmission values to determine an indication of transmissivity for a given wavelength.
    Creator
    Steven Ruggiero, Carol Tanner
    Publisher
    United States Patent and Trademark Office
    Language
    eng
    Rights
    http://creativecommons.org/publicdomain/zero/1.0/
    Resource Type
    Patent
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