Steganographically encoded media object having an invisible colorant
AssigneeEastman Kodak Company
InventorsRichard N. Blazey, Kevin W. Williams, Gustavo R. Paz-Pujalt, Thomas M. Stephany
Life of this patent
Estimating the term…
Abstract
A medium for displaying information thereon, the medium includes a substrate; and visible information formed from a plurality of colors displayed on the substrate; wherein at least one of the colors includes at least one visible colorant and at least one invisible colorant which invisible colorant is imperceptible to the human eye and which is not present in a reproduction therefrom for detecting counterfeiting or forgery.
Claims5
A medium for displaying information thereon, the medium comprising:
- (a) a substrate;
- and
- (b) visible information formed from a plurality of colors displayed on the substrate;
- wherein at least one of the colors includes at least one visible colorant and at least one invisible colorant which invisible colorant is imperceptible to the human eye and which is not present in a reproduction therefrom for detecting counterfeiting or forgery.
A visible marking formed from a plurality of colors, the visible marking comprising:
- (a) at least one visible colorant and at least one invisible colorant in at least one of the colors which invisible colorant is imperceptible to the human eye and which is not present in a reproduction therefrom for detecting counterfeiting or forgery.
Dependencies are inferred from the claim text.