Printer cartridge including machine readable ink
First Claim
1. A cartridge for a digital printer adapted to print information onto a media substrate in a form that can be read by the human eye and a form that is invisible to the human eye but readable to an optical reader device, the cartridge including:
- a housing defining a plurality of storage areas wherein at least one of the storage areas contains colorant for printing information that is visible to the human eye and at least one of the other storage areas contains colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device, and wherein the colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device is infrared absorbing ink.
1 Assignment
0 Petitions
Accused Products
Abstract
A cartridge for a digital printer adapted to print information onto a media substrate in a form that can be read by the human eye and a form that is invisible to the human eye but readable to an optical reader device. The cartridge includes a housing defining a number of storage areas wherein at least one of the storage areas contains colorant for printing information that is visible to the human eye and at least one of the other storage areas contains colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device. The colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device is infrared absorbing ink.
13 Citations
11 Claims
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1. A cartridge for a digital printer adapted to print information onto a media substrate in a form that can be read by the human eye and a form that is invisible to the human eye but readable to an optical reader device, the cartridge including:
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a housing defining a plurality of storage areas wherein at least one of the storage areas contains colorant for printing information that is visible to the human eye and at least one of the other storage areas contains colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device, and wherein the colorant for printing information in a form that is invisible to the human eye but readable by the optical reader device is infrared absorbing ink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification