Measuring and testing – Vibration – Vibrator
Patent
1979-06-08
1982-03-16
Kreitman, Stephen A.
Measuring and testing
Vibration
Vibrator
324 61R, G01R 2726
Patent
active
043194915
ABSTRACT:
A method and apparatus for determining at least one component of a sample of a particulate material, such as grain or seed, on the basis of a permittivity value of the sample. Before measuring the permittivity value the sample is compacted to a predetermined degree, preferably by vibrating the sample. Preferably, the sample is vibrated while being introduced into a sample container or receptacle in which the sample is exposed to an alternating electric field for determining said permittivity value.
REFERENCES:
patent: 2353492 (1944-07-01), O'Connor
patent: 2523363 (1950-09-01), Gehman
patent: 2665409 (1954-01-01), Rogers
patent: 3739264 (1973-06-01), Resh
patent: 4121151 (1978-10-01), Funk et al.
Christoffersen Sten R.
Gregersen Johan C.
Larsen Mogens B.
A/S N. Foss Electric
Kreitman Stephen A.
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