G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/35 (2006.01) G01J 3/28 (2006.01) G01J 3/42 (2006.01)
Patent
CA 2331865
An apparatus and method for utilizing NIR spectrography for measuring major constituents of substances in real time includes a monochromator (38) or other sensor having no moving optical parts. At least one of the monochromator (38) and the substance are moving relative to one another. An NIR radiation source (44) irradiates a substance (51) and the reflected or passed-through radiation is transmitted to the monochromator (38), which isolates and detects narrow portions of the received spectrum. By analyzing the intensities and wavelengths of the received radiation, the presence and amount of major constituents of the substance can be determined.
La présente invention concerne un dispositif, et un procédé d'utilisation de la spectrographie de proche infrarouge en vue de mesurer en temps réel des constituants majeurs de substances. Ce dispositif comprend un monochromateur (38), ou un autre capteur sans parties optiques mobiles. Au moins un des monochromateurs (38) et la substance se déplacent relativement l'un à l'autre. Un source de radiation de proche infrarouge (44) irradie une substance (51) et le rayonnement réfléchi ou ayant passé à travers est transmis au monochromateur (38) qui isole et détecte des parties étroites du spectre reçu. Par analyse des intensités et des longueurs d'ondes du rayonnement reçu, il est possible de déterminer la présence et la quantité de constituants majeurs de la substance.
Brumback Thomas B. Jr.
Niebur William S.
Welle Roland
Wright Steven L.
Pioneer Hi-Bred International Inc.
Ridout & Maybee Llp
Textron Systems Corporation
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