A method for determining whether a candidate barcode is genuine involves acquiring an image of an original barcode; determining, from the image of the original barcode, a deviation of a continuous edge of the original barcode from a nominal shape; encoding the deviation as signature data for the original barcode; storing the signature data for the original barcode on a storage device; acquiring an image of the candidate barcode; determining, from the image of the candidate barcode, a deviation of a continuous edge of the candidate barcode from the nominal shape; retrieving the signature data for the original barcode from the storage device; comparing the signature data for the original barcode with the signature data for the candidate barcode; and making a determination that the candidate barcode is genuine or not genuine based on a result of the comparison.

A method for determining whether a candidate barcode is genuine involves acquiring an image of an original barcode; determining, from the image of the original barcode, a deviation of a continuous edge of the original barcode from a nominal shape; encoding the deviation as signature data for the original barcode; storing the signature data for the original barcode on a storage device; acquiring an image of the candidate barcode; determining, from the image of the candidate barcode, a deviation of a continuous edge of the candidate barcode from the nominal shape; retrieving the signature data for the original barcode from the storage device; comparing the signature data for the original barcode with the signature data for the candidate barcode; and making a determination that the candidate barcode is genuine or not genuine based on a result of the comparison.

The application concerns a method of authenticating an object, the object comprising an identification substance including at least one amorphous phase, at least one crystalline phase and at least one complex metallic phase. The method includes the steps of: subjecting the identification substance of a candidate object to XRD analysis to determine an XRD signature thereof; comparing the XRD signature of the candidate object to a reference XRD signature, and concluding to the authenticity of the object when its XRD signature substantially matches the reference XRD signature.

A thermal transfer print ribbon having radiation curable ink thereon is used to print on a surface of a plastic card. The use of radiation curable thermal transfer printing to print on the card surface increases the durability of the printing compared to regular (i.e. non-radiation cured) thermal transfer printing once the radiation curable ink is cured. As a result, a protective laminate or coating need not be applied to the card surface to protect the printing.

A thermal transfer print ribbon having radiation curable ink thereon is used to print on a surface of a plastic card. The use of radiation curable thermal transfer printing to print on the card surface increases the durability of the printing compared to regular (i.e. non-radiation cured) thermal transfer printing once the radiation curable ink is cured. As a result, a protective laminate or coating need not be applied to the card surface to protect the printing.

A thermal transfer print ribbon having radiation curable ink thereon is used to print on a surface of a plastic card. The use of radiation curable thermal transfer printing to print on the card surface increases the durability of the printing compared to regular (i.e. non-radiation cured) thermal transfer printing once the radiation curable ink is cured. As a result, a protective laminate or coating need not be applied to the card surface to protect the printing.

A thermal transfer print ribbon having radiation curable ink thereon is used to print on a surface of a plastic card. The use of radiation curable thermal transfer printing to print on the card surface increases the durability of the printing compared to regular (i.e. non-radiation cured) thermal transfer printing once the radiation curable ink is cured. As a result, a protective laminate or coating need not be applied to the card surface to protect the printing.

The application concerns a method of authenticating an object, the object comprising an identification substance including at least one amorphous phase, at least one crystalline phase and at least one complex metallic phase. The method includes the steps of: subjecting the identification substance of a candidate object to XRD analysis to determine an XRD signature thereof; comparing the XRD signature of the candidate object to a reference XRD signature, and concluding to the authenticity of the object when its XRD signature substantially matches the reference XRD signature.

A method for determining whether a candidate barcode is genuine involves acquiring an image of an original barcode; determining, from the image of the original barcode, a deviation of a continuous edge of the original barcode from a nominal shape; encoding the deviation as signature data for the original barcode; storing the signature data for the original barcode on a storage device; acquiring an image of the candidate barcode; determining, from the image of the candidate barcode, a deviation of a continuous edge of the candidate barcode from the nominal shape; retrieving the signature data for the original barcode from the storage device; comparing the signature data for the original barcode with the signature data for the candidate barcode; and making a determination that the candidate barcode is genuine or not genuine based on a result of the comparison.

A method for determining whether a candidate barcode is genuine involves acquiring an image of an original barcode; determining, from the image of the original barcode, a deviation of a continuous edge of the original barcode from a nominal shape; encoding the deviation as signature data for the original barcode; storing the signature data for the original barcode on a storage device; acquiring an image of the candidate barcode; determining, from the image of the candidate barcode, a deviation of a continuous edge of the candidate barcode from the nominal shape; retrieving the signature data for the original barcode from the storage device; comparing the signature data for the original barcode with the signature data for the candidate barcode; and making a determination that the candidate barcode is genuine or not genuine based on a result of the comparison.