Apparatus for evaluating quality of raw coffee beans

Details Apparatus for evaluating quality of raw coffee beans Apparatus for evaluating quality of raw coffee beans

G - Physics

01

N

73/55

G01N 21/25 (2006.01) G01N 21/47 (2006.01) G01N 33/02 (2006.01) G01N 21/35 (2006.01) G01N 21/85 (2006.01)

Patent

CA 2000473

In an apparatus for evaluating raw coffee beans, a near-infrared light beam is applied to sample coffee powder (5), and a detector (26, 27, 28) receives light reflected from and/or transmitted through the sample coffee powder to generate a signal representative of luminous intensity of the received light. A memory device (122) has stored therein at least one of characteristic coefficients and appraisal coefficients for the sample coffee powder. A calculation device (123) calculates at least one of characteristic values and appraisal values of the raw coffee beans, based on the stored coefficients and the signal from the detector. -58-

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