Method for reading test strips
AssigneeRohm and Haas Company
InventorsWalter Jay Gregory, William Harrison Stapelkamp
Life of this patent
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Abstract
There is provided a method for identifying the color intensities of red lines on a white test strip, comprising the steps of (A) attaching said white test strip to a card that is larger and darker than said white test strip, (B) scanning said card with said attached white test strip, (C) creating a digital image of said card, wherein each pixel in said digital image has a Red value, a Green value, and a Blue value, (D) using said digital image to calculate a color intensity for each red line on said white test strip.
Claims8
A method for identifying the color intensities of red lines on a white test strip, comprising the steps of
- (A) attaching said white test strip to a card that is larger and darker than said white test strip,
- (B) scanning said card with said attached white test strip,
- (C) creating a digital image of said card, wherein each pixel in said digital image has a Red value, a Green value, and a Blue value,
- (D) using said digital image to calculate a color intensity for each red line on said white test strip.
Dependencies are inferred from the claim text.