Method and apparatus for automatically measuring distribution of

Details Method and apparatus for automatically measuring distribution of Method and apparatus for automatically measuring distribution of

1975-09-29

1977-06-21

Corbin, John K.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

356 30, G01N 2122

Patent

active

040308375

ABSTRACT:
A method and apparatus for automatically measuring the distribution of reflectance of coals is given, which comprises the steps of vertically projecting light to samples of coals on a movable stage, allowing a photodetector to receive said light through a microscope as the stage moves, thereby measuring the reflectance of the samples at a great number of points to obtain the distribution of reflectance, and determining the property of the coals from this distribution of reflectance.

REFERENCES:
patent: 3819913 (1974-06-01), Carter et al.
McCartney et al., "Determination of Proportions of Coal Components by Automated Microscopic Reflectance Scanning", FUEL, vol. 50, No. 3, 1971, pp. 226-235.

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