Optical measuring device for measuring the fat contents of milk

Details Optical measuring device for measuring the fat contents of milk Optical measuring device for measuring the fat contents of milk

1990-03-15

1991-07-23

Rosenberger, Richard A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356337, 422 58, 422 74, 436 23, G01N 2100

Patent

active

050338528

ABSTRACT:
An optical measuring device for measuring the fat contents of milk comprises a light source, an optical condenser, a glass test tube provided for holding a set amount of the milk the fat contents of which must be measured, a lens, a photosensitive element, for example of the CCD type, and a digital display, all enclosed in a metal housing which also holds a control electric and electronic system, the fat contents of the milk being measured by detecting, by means of the photosensitive element, the diffusion depth of the light projected by the light source on the milk held in the test tube and reflected on the photosensitive element by the fat particles.

REFERENCES:
patent: 2844067 (1958-07-01), Borg
patent: 3633012 (1972-01-01), Wilhelmson
patent: 4400353 (1983-08-01), Meserol et al.

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