G - Physics – 01 – N
Patent
G - Physics
01
N
324/42, 324/29.6
G01N 27/00 (2006.01) G01N 27/22 (2006.01) G01N 33/10 (2006.01)
Patent
CA 1143793
ABSTRACT OF THE DISCLOSURE A method and apparatus are provided herein for determining at least one component of a sample of a particulate or granular material, e.g., grain or seed, on the basis of a permittivity value of the sample. The method involves the first and second steps of gradually introducing the sample in a movably mounted container and compacting the sample in the container to a predetermined degree by vibrating the container during the gradual filling thereof with the sample. The so-compacted sample in the container is then exposed to an alternating electric field. A permit- tivity value of the compacted sample is then measured. The component is then determined on the basis of the permittivity value, and the weight of the sample is also determined based on the natural vibrational frequency of the movably mounted container with the sample contained therein.
329361
Christoffersen Sten R.
Gregersen Johan C.
Larsen Mogens B.
A/s N. Foss Electric
Borden Ladner Gervais Llp
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