Classifying – separating – and assorting solids – Adhesion – With selective differentiation
Patent
1975-06-05
1976-11-23
Knowles, Allen N.
Classifying, separating, and assorting solids
Adhesion
With selective differentiation
324 61QS, 331 65, 83102, B07C 508
Patent
active
039931943
ABSTRACT:
There are passed through at least one portion of at least one rod-shaped article the electric field lines of a high-frequency electric field joining the electrodes of a measuring capacitor, and a density-dependent measurement signal is generated by detecting the effect upon the capacitance of the capacitor of the passage of the field lines through the article. There are passed through a reference dielectric medium the electric field lines of a high-frequency electric field joining the electrodes of a measuring capacitor, and a comparison signal is generated by detecting the effect of the reference dielectric medium upon the capacitance of the capacitor. The measurement signal and comparison signal are automatically compared to form a compensated density-dependent signal.
REFERENCES:
patent: 2729214 (1956-01-01), Broekhuysen et al.
patent: 3320528 (1967-05-01), Esenwein
patent: 3482162 (1969-12-01), Wochnowski
patent: 3671857 (1972-06-01), Bergmanis
patent: 3777258 (1973-12-01), Wochnowski
patent: 3795984 (1974-03-01), Meyer
patent: 3950698 (1976-04-01), Wochnowski
Hauni-Werke Korber & Co. KG
Knowles Allen N.
Kontler Peter K.
Kurucz John
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