Continuous color tone infrared detected barcodes
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United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
Aug 12, 1999
filing date -
Apr 23, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A label for a component is provided with a continuous color tone background at least in segments of the label that can be detected as to a configuration using selected colored light sources which reflect from the different color tones of the label. A sensor can be used for discriminating between the reflection patterns from the light sources. A continuous color tone on the label changing smoothly from one color to others is applied to make a uniform shading from one color at one end of the label to another color at a second end, with various colors between the two ends. As an added feature, a number of black appearing strips forming a bar code can be provided on the label, with some of the strips reflecting infrared light and others not reflecting infrared light, so an infrared detector can be utilized for determining the pattern of the bar code for further identification of the labeled component. The bar code pattern will not be identifiable with the naked eye.
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