Covert marking
AssigneeHewlett-Packard Development Company, L.P.
InventorsMark Shaw, Kenneth Scott Line, Kimin Kang, Hae-Kee Lee
Life of this patent
Estimating the term…
Abstract
Examples described herein relate to a system consistent with the disclosure. For instance, the system may comprise a printing device including hardware to form an image on a print medium, a memory resource, and a controller to receive a print job to form the markings on the print medium, designate a pixel of the received print job to form a covert dot pattern on the markings, where the pixel corresponds to a first laser intensity level; and adjust a laser intensity of the printing device to a second laser intensity level based on the first laser intensity level of the designated pixel to form the covert dot pattern.
Claims15
A system, comprising:
- a printing device including hardware to form markings on a print medium;
- a memory resource;
- and
- a controller to:
- receive a print job to form the markings on the print medium;
- designate a pixel of the received print job to form a covert dot pattern on the markings, wherein the pixel corresponds to a first laser intensity level;
- and
- adjust a laser intensity of the printing device to a second laser intensity level based on the first laser intensity level of the designated pixel to form the covert dot pattern.
A non-transitory machine-readable medium storing instructions that, when executed by a processing resource, cause the processing resource to:
- receive a print job to form markings on a print medium;
- determine an object type image by rendering a page description language of the print job;
- designate a pixel to form a covert dot pattern based on the determination of the object type image, wherein the pixel corresponds to a first laser intensity level;
- and
- adjust a laser intensity of the printing device to a second laser intensity level based on the first laser intensity level of the designated pixel to form the covert dot pattern.
A method, comprising:
- receiving, by a controller, a print job to form markings on a print medium;
- determining, by the controller, an object type image to form markings;
- designating, by the controller, a pixel of the object type to form a covert dot pattern, where the pixel corresponds to first laser intensity level;
- adjusting, by the controller, a laser intensity of the printing device to a second laser intensity level based on the first laser intensity level of the designated pixel to form the covert dot pattern;
- and
- printing, by the controller, the markings on the print medium.
Dependencies are inferred from the claim text.