Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Patent
1994-06-24
2000-09-05
Gordon, Paul P.
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
700207, 700208, 700282, 1984181, 198431, 198575, 2502391, 25033901, 2503411, G06F 1900, G01N 2135
Patent
active
061156442
ABSTRACT:
A moisture content measuring apparatus and method wherein a sensor station produces calibration data corresponding to measurements of light at two different wavelengths reflected from a material, and the calibration data is then transferred to a hand held computer. The moisture content of a sample of the material is measured and input to the hand held computer. The process is repeated after changing the wetness of the material, and the hand held computer creates a table correlating reflection data to moisture content. The table is transferred to the sensor station which then continuously generates signals representing moisture content in response to real time reflection data and the table. The cost effectiveness of the sensor stations readily facilitates the use of a dedicated sensor station at each of a plurality of conveyors carrying different materials to be combined into a composite of predetermined proportions by weight. Based on the real time moisture contents of each material, the respective flow rates are adjusted to compensate for moisture in order to produce the predetermined proportion.
REFERENCES:
patent: 4026717 (1977-05-01), Harris et al.
patent: 4072273 (1978-02-01), Reiniger
patent: 4856539 (1989-08-01), Lorenzen
patent: 5220168 (1993-06-01), Adamski et al.
patent: 5261285 (1993-11-01), Tokoyama
Adamski Joseph R.
Ferguson Christopher
Musil Joseph E.
Petty J. Scott
Cedarapids Inc.
Gordon Paul P.
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