Secure printing method to thwart counterfeiting
First Claim
Patent Images
1. A method of authenticating a target item having a security code, comprising steps of:
- determining a first content of security information to be coded;
determining a second content of security information to be coded;
printing a plurality of color tiles on a target item, said plurality of color tiles defining the first content of security information; and
printing one or more micro-markings on the target item, such that at least one micro-marking is printed on at least one of the plurality of color tiles, said one or more micro-markings defining the second content of security information.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for authenticating a target item with a security code is provided. The method includes the steps of determining a first content of security information to be coded, determining a second content of security information to be coded, printing a plurality of color tiles on a target item where the plurality of color tiles define the first content of security information, and printing one or more micro-markings on one or more of the color tiles located on the target item. The one or more micro-markings define the second content of security information.
26 Citations
24 Claims
-
1. A method of authenticating a target item having a security code, comprising steps of:
-
determining a first content of security information to be coded; determining a second content of security information to be coded; printing a plurality of color tiles on a target item, said plurality of color tiles defining the first content of security information; and printing one or more micro-markings on the target item, such that at least one micro-marking is printed on at least one of the plurality of color tiles, said one or more micro-markings defining the second content of security information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A coded security marking, comprising:
-
a plurality of color tiles located on a target item; a first content of security information defined by the plurality of color tiles; one or more micro-markings located on the target item, such that at least one micro-marking is located on at least one of the plurality of color tiles; and a second content of security information defined by the one or more micro-markings. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A method of establishing a color code for secure printing, comprising steps of:
-
determining a desired number of symbol elements to be coded as a color code; determining a number of colors for use in the color code based on at least the number of symbol elements; calculating a minimum number of color tiles required to uniquely represent the number of symbol elements to be color coded; and selecting at least the minimum number of color tiles to establish the color code.
-
Specification