Method of and apparatus for determining the nature of...

Details Method of and apparatus for determining the nature of... Method of and apparatus for determining the nature of...

G - Physics

01

N

358/7

G01N 9/36 (2006.01) G01N 9/24 (2006.01) G01N 23/12 (2006.01)

Patent

CA 1130931

CASE 3974/CAN ABSTRACT OF THE INVENTION "A METHOD OF AND APPARATUS FOR DETERMINING THE NATURE OF TRANSPORTED MATERIAL" A coal/stone mixture (3) transported on a con- veyor (1) is investigated by subjecting it to radiation. The radiation of two energies (11 and 12) is derived in a source (5) and detected by a detector (7). The radiations at the two energies have relatively different transmission character- istics dependent upon the different nature of material on the belt. The radiation is collimated in inhibit interference between the two levels. (Figure 1 to be used)

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