Dye detection method and apparatus

Details Dye detection method and apparatus Dye detection method and apparatus

2006-09-26

2006-09-26

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By shade or color

Trichromatic examination

C356S410000, C068S012270

Reexamination Certificate

active

07113280

ABSTRACT:
Method and apparatus for detecting the presence of a color dye in a water sample are described. Light is generated and passed through a water sample. A color sensor is utilized to measure the light that passes through the water sample. Based on the measured light, it is determined whether a dye color is present in the water sample.

REFERENCES:
patent: 4406028 (1983-09-01), Hazan et al.
patent: 6590659 (2003-07-01), Melnyk et al.

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