Eastman-kodak Company

Thomas D Pawlik

Myra T Olm

Judith A Bose

Thomas J Widzinski

Erwin Ludwig Allmann

Gary M Spinelli

Mark C Rzadca

Ronald S Cok

David Howard Levy

Douglas E Bugner

Shelby Forrester Nelson

Nelson Adrian Blish

Diane Carol Freeman

Peter Jerome Cowdery-Corvan

Thomas F Powers

Mark P Henry

Eric L Bell

John S Badger

Robert D Wilson

Jerzy Z Mydlarz

John D Lewis

Woodrow G McDugle, Jr

Yang Shi

Jeffrey C Hansen

Siow Kiat Tan

David J Glacherio

Senthilnathan Chinnayegappan

Myra Toffolon Olm

A system of authenticating an item with a security mark includes a substrate (); wherein the security mark is printed on the substrate with invisible ultraviolet (UV) absorbing ink (); a coating comprised of UV fluorescent varnish () applied over the security mark and substrate; wherein an area comprising the security mark and coating with is illuminated with UV light; wherein a reduced fluorescence image of the security mark is identified; wherein the reduced fluorescence image is compared with the security mark; and wherein the item is authenticated if the reduced fluorescence image matches the security mark.

System for authenticating an item

A method of authenticating an item with a security mark includes providing a substrate (); printing the security mark on the substrate with invisible ultraviolet (UV) absorbing ink (); applying a coating comprised of UV fluorescent varnish () over the security mark and substrate; illuminating an area comprising the security mark and coating with UV light; identifying a reduced fluorescence image of the security mark; comparing the reduced fluorescence image with the security mark; and authenticating the item if the reduced fluorescence image matches the security mark.

Method of authenticating an item

A method for printing information on a substrate includes printing the information on a first surface of the substrate; and heating the substrate causing at least a portion of the printed information to migrate to a second surface of the substrate.

Method of printing information on a substrate

A method for authenticating an object that includes providing a label () with invisible indicia () printed with optically active material on a reflective substrate; providing a device that has a digital camera () having a light source (), an image sensor (), a first polarizing filter () having a first orientation, and a second polarizing filter () 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.

Method for authenticating an object

A system for authenticating an object includes a label () with invisible indicia () on the object which rotates a polarization of incident light; a digital camera () having a light source (), an image sensor (), a first polarizing filter () having a first orientation, and a second polarizing filter () having a second orientation orthogonal to the first orientation; illuminating the label with light from the light source through the first linear polarizer; forming an image with the image sensor using reflected light from the label wherein the reflected light passes through the second polarizer prior to reaching the sensor; wherein the second linear polarizer makes the invisible indicia visible; and authenticating the object.

System for authenticating an object

A method for detecting reorigination of barcodes () includes providing a multisegment barcode which contains data; capturing an image of the multisegment barcode; locating the barcode in the image; decoding the barcode; detecting individual segments in the multisegment barcode; and authenticating the barcode if the individual segments match the original barcode.

Method for detecting reorgination of barcodes

A system for printing information on a substrate includes a printer for printing the information on a first surface of the substrate; and a heater for heating the substrate causing at least a portion of the printed information to migrate to a second surface of the substrate.

Printing information on a substrate

A method of enabling an authenticating device () includes providing an enabling target (); measuring one or more attributes of the enabling target with the authenticating device; comparing at least one measured attribute with a predetermined expected value; enabling the authenticating device when the at least one measured attribute matches the predetermined expected value; and operating the authenticating device.

Authentication device with access control and calibration

A system for detecting reproduction of barcodes () includes providing a barcode which contains data; providing a copy-evident background (); capturing an image of the barcode and the copy-evident background; locating and decoding the barcode; detecting copy introduced changes in the copy-evident background; and authenticating the barcode if the copy-evident background has not been copied.

System for detecting reorigination of barcodes

A method for locating an electronic apparatus, the method includes identifying a mobile communication device that is proximate the electronic apparatus; receiving location information embedded in an image file by the mobile communication device and transferred from the mobile communication device; and storing the location information in the electronic apparatus.

Method for locating an electronic apparatus

A method for detecting reproduction of barcodes () includes providing a barcode which contains data; providing a copy-evident background (); capturing an image of the barcode and the copy-evident background; locating and decoding the barcode; detecting copy introduced changes in the copy-evident background; and authenticating the barcode if the copy-evident background has not been copied.

Decoder for barcodes with anti-copy feature

A method for authenticating security markers includes capturing an image of a region of interest on a product with a camera; storing image data in a two-dimensional array on a microprocessor; counting a number of pixels at or above a predetermined brightness level in the image data with the microprocessor to determine a first score; establishing an area within the image; counting a number of pixels within the area to determine a second score; calculating a ratio of the second score to the first score; and if the ratio is above a predetermined threshold the security marker is authenticated.

Method of authenticating security marker

A method to deactivate a security measure includes applying a first covert optically active security marker to a product or document; completing a transaction for the product or document; and applying a second optically active security marker to the product or document which indicates completion of the transaction.

Deactivation of a security feature

A method for detecting and viewing invisible indicia includes illuminating the invisible indicia with radiation of a first wavelength with an illumination source; detecting emitted light from the invisible indicia at a second wavelength with a sensor array; eliminating reflected radiation at the first wavelength; focusing an image of the invisible indicia on the sensor array; displaying the image of the invisible indicia; spacing the sensor array at a fixed distance from the invisible indicia with a spacer; and adjusting sensitivity of the sensor array.

Method for viewing invisible indicia

A system for enabling an authenticating device includes an enabling target (); measuring one or more attributes of the enabling target with the authenticating device; comparing at least one measured attribute with a predetermined expected value; enabling the authenticating device when the at least one measured attribute matches the predetermined expected value; and operating the authenticating device.

Growing community of inventors

Rochester, NY, United States of America

Thomas D Pawlik