Method for authenticating an object

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United States of America Patent

PATENT NO 9123190
APP PUB NO 20140210998A1
SERIAL NO

13755296

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Abstract

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A method for authenticating an object that includes providing a label (12) with invisible indicia (14) printed with optically active material on a reflective substrate; providing a device that has a digital camera (18) having a light source (20), an image sensor (22), a first polarizing filter (24) having a first orientation, and a second polarizing filter (26) having a second orientation; illuminating the label with the light from the light source through the first polarizing filter; forming an image with the image sensor using reflected light from the label wherein the reflected light passes through the second polarizing filter prior to reaching the sensor; wherein the second polarizing filter makes the invisible indicia visible; and authenticating the object.

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Patent Owner(s)

  • EAPEIRON SOLUTIONS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blish, Nelson A Rochester, US 58 1189
Bose, Judith A Webster, US 28 105
Cok, Ronald S Rochester, US 675 23264
Pawlik, Thomas D Rochester, US 51 3978

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