Volumetric measurement of particles

Details Volumetric measurement of particles Volumetric measurement of particles

1981-01-26

1983-11-29

Punter, William H.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

356390, G01B 1128, G01B 1100

Patent

active

044178174

ABSTRACT:
For measuring the volume of a particle, for example in ore sorting, the particle is caused to move past radiators which illuminate the particle in two transverse directions. Detectors provide measures of the dimensions of the particle in the transverse directions in each of a number of adjacent zones which extend through the particle in its direction of movement. For each zone a volume measurement is derived from the product of the dimensional measurements and the various volume measurements are accumulated to obtain the final volume measurement.
The dimensional measurements may be made in each zone in four or more transverse directions, and may be made by means of scanning cameras to obtain a more accurate final volume measurement.

REFERENCES:
patent: 3513444 (1970-05-01), Henderson et al.
patent: 3870890 (1975-03-01), Binks et al.
patent: 3970846 (1976-07-01), Schofield, Jr. et al.
patent: 3997269 (1976-12-01), Moulton
patent: 4025201 (1977-05-01), Deane
patent: 4192613 (1980-03-01), Hammar
patent: 4267443 (1981-05-01), Carroll et al.

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