Measuring device for ingredient detection

Details Measuring device for ingredient detection Measuring device for ingredient detection

2007-07-30

2009-06-16

Evans, F. L (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C356S323000, C356S446000, C250S339070, C250S339110

Reexamination Certificate

active

07548312

ABSTRACT:
A measuring device has a sensor for registering at least one parameter selected from the group consisting of at least one ingredient, at least one property, and both, of a material being investigated by the sensor, the sensor including at least one illumination source which directs at least one light beam toward the material to be investigated, at least one reference object for calibrating the measuring device, and an illumination source configured so that a portion of a light beam from the illumination source is redirected toward the reference object.

REFERENCES:
patent: 3874799 (1975-04-01), Isaacs et al.
patent: 4661711 (1987-04-01), Harjunmaa
patent: 10 2004 021 448 (2005-11-01), None
patent: 99/40419 (1999-08-01), None

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