Radiant energy – Fluent material containment – support or transfer means – With irradiating source or radiating fluent material
Patent
1981-08-03
1983-11-15
Anderson, Bruce C.
Radiant energy
Fluent material containment, support or transfer means
With irradiating source or radiating fluent material
250429, G01N 2101
Patent
active
044158092
ABSTRACT:
Electro-optical apparatus for measurement of fat, protein, lactose and water or solids in milk wherein a milk sample is pumped by a homogenizer into an optical measurement cell. The specimen in the cell is then irradiated with reference and measurement beams at differing wavelengths for fat, protein, lactose and water respectively, and signals are stored indicative of uncorrected concentrations. A scaling and correction circuit includes cross-correction circuitry for compensating the effects on each reading caused by the other constitutents. The signals so corrected are then provided in percentage by weight or weight over volume on suitable digital displays.
REFERENCES:
patent: 2824968 (1958-02-01), Sparks et al.
patent: 4302677 (1981-11-01), Albertsson et al.
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