Layer structure with modified structure, and production thereof
US-12023953-B2 · Jul 2, 2024 · US
US9248673B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9248673-B2 |
| Application number | US-201213687946-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 28, 2012 |
| Priority date | Jul 4, 2012 |
| Publication date | Feb 2, 2016 |
| Grant date | Feb 2, 2016 |
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Improved product labels cannot be easily counterfeited. A plurality of small dots printed on the label are interpreted as dirt or flaw or misprint so that the counterfeit label will not reproduce the plurality of small dots. A first image printed on the label and having a first level of spectural reflectivity, and a second image printed atop the first image using ink having a spectural reflectivity different from the spectural reflectivity of the first image. A plurality of very small dots creates a grayscale field, and a symbol printed within the grayscale field of very small dots, thereby creating a watermark of such high complexity that it cannot be counterfeited. A symbol printed on the label, and a raised dot of ink printed atop the symbol at a precise location to be sensed by finger contact and thereby indicate the authenticity of the label.
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What is claimed is: 1. A product label that discourages the counterfeiting thereof, comprising a first image printed on the label and having a first level of spectral reflectivity, a second image printed atop the first image by a thermal printer using ink having a spectral reflectivity different from the spectral reflectivity of the first image, the difference in spectral reflectivity being of a magnitude that the counterfeiter is unable to discern the presence of the thermal printed second image and will therefor counterfeit the counterfeit label without the presence of the second image atop the first image, and a trained observer using a light source to highlight the label is able to discern the presence or absence of the second image and thereby distinguish between a label that is counterfeit and a label that is authentic. 2. A method of discouraging the counterfeiting of product labels comprising: first printing the label with a first image thereon having a first level of spectral reflectivity, and then thermal printing a second image atop the first image using ink having a spectral reflectivity different from the spectral reflectivity of the first image, the difference in spectral reflectivity being of a magnitude that the counterfeiter is unable to discern the presence of the thermal printed second image and will therefor make the counterfeit label without the presence of the second image atop the first image, and a trained observer using a light source to highlight the label is able to discern the presence or absence of the second image and thereby distinguish between a label that is counterfeit and a label that is authentic.
Watermarks · CPC title
Operations & Transport · mapped topic
Operations & Transport · mapped topic
tamper indicating labels · CPC title
Reliefs · CPC title
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