Coloration measuring device

Details Coloration measuring device Coloration measuring device

2003-10-30

2008-08-05

Geisel, Kara E (Department: 2877)

Optics: measuring and testing

By shade or color

Reexamination Certificate

active

07408644

ABSTRACT:
A scanning mechanism6moves an optical head5relative to a mount plate2in a scan direction, and light emitting diodes3A,3B mounted on the optical head5emit their respective beams of measurement light along the scan direction and onto two color regions TP3, TP3, respectively, of an immunochromatographic test strip mounted on the mount plate2. Photodiodes4A,4B mounted on the optical head5receive respective beams of reflected light from the two color regions TP3, TP3perpendicularly to colored lines on the immunochromatographic test strip, thereby implementing simultaneous measurement of color intensities of the colored lines formed in the two color regions TP3, TP3of the immunochromatographic test strip.

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