Standardization of penetrating radiation testing system

Details Standardization of penetrating radiation testing system Standardization of penetrating radiation testing system

1977-04-28

1979-05-15

Rolla, Joseph J.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

209592, 209905, 250252, 250273, 250277R, B07C 5344, B07C 5346

Patent

active

041546725

ABSTRACT:
Standardization is provided to control system gain of a penetrating radiation testing system by periodically inspecting a reference object in the same manner as the product samples so as to generate a stabilization signal which is compared to a reference signal. The difference, if any, between the stabilization signal and the reference signal is integrated and the integrated signal is used to correct the gain of the system.

REFERENCES:
patent: 2885557 (1959-05-01), Kizaur
patent: 2939960 (1960-06-01), Gunn
patent: 3198944 (1965-08-01), Furbee
patent: 3361911 (1968-01-01), Kowalczyuski
patent: 3382975 (1968-05-01), Hoover
patent: 3880750 (1975-04-01), Butler et al.
patent: 4009376 (1977-02-01), Faraguet
patent: 4060726 (1977-11-01), Luitwieler et al.

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