Mixture identification system

Details Mixture identification system Mixture identification system

2008-05-15

2010-10-12

Geisel, Kara E (Department: 2877)

Optics: measuring and testing

By shade or color

With color transmitting filter

C356S051000

Reexamination Certificate

active

07812953

ABSTRACT:
A mixture identification system for detecting foreign matter admixed in a tobacco material includes a conveyor for conveying the material, an irradiation device for irradiating infrared light toward an inspection line extending across the conveyor, an infrared camera device for receiving the infrared light reflected from the tobacco material passing across the inspection line and outputting image data of the material based on the received infrared light, and a discrimination circuit for detecting foreign matter in the material based on the output from the camera device. The infrared camera device has infrared filters for receiving the infrared light reflected from the tobacco material and allowing only respective specific wavelengths to pass therethrough, and optical line sensors for receiving the infrared light passed through the respective filters.

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