US Patent Issued to ENTRUST on Nov. 11 for "Non-linear power control of a thermal print head in a plastic card printer" (Minnesota Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,208, issued on Nov. 11, was assigned to ENTRUST Corp. (Shakopee, Minn.).

"Non-linear power control of a thermal print head in a plastic card printer" was invented by Wade Kragtorp (Shakopee, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Printing multi-color images on non-vinyl plastic identification documents in identification document printing systems. A non-linear pixel density adjustment curve is used to adjust the pixel density data of a multi-color image to be printed which adjusts the power applied to the thermal print head. The use of a non-linear pixel density adjustment curve to adjust the pixel density data improves the quality of t...