Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1988-04-22
1989-02-21
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250341, 2503581, G01N 2135, G01N 2147
Patent
active
048067644
ABSTRACT:
This invention relates to an apparatus for evaluating the quality of rice grains. The apparatus comprises a near infrared spectrometer having a band-pass filter and detectors for detecting the intensity of reflected light from the sample rice; a control device having a memory for storing various values and a calculator for performing various calculations; indicating device for displaying or printing the various calculated values; and a sample case for being filled with the sample rice and being disposed at the measuring portion within the near infrared spectrometer.The apparatus is capable of measuring the content percentages of pre-selected constituent or constituents, such as, of protein, either amylose or amylopectin and moisture of the rice grains, calculating a quality evaluation value of the sample rice based on the measured and calculated values and powers established for the preselected constituents, and displaying the calculated evaluation value of the sample rice.
REFERENCES:
patent: 4540286 (1985-09-01), Satake
patent: 4692620 (1987-09-01), Rosenthal
Fields Carolyn E.
Satake Engineering Co. Ltd.
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