Thermal marking system
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United States of America Patent
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Mar 4, 2014
Issued Date -
N/A
app pub date -
Feb 8, 2013
filing date -
Dec 19, 2007
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Abstract
One or more arrays of heating elements are configured with insulating regions to prevent the dissipation of heat to unintended regions of a thermochromic substrate. Methods include printing and arranging impressions on a two-sided substrate avoiding bleeding and other problems more-commonly associated with traditional two-sided thermal printing techniques. A simple and reliable thermal printing system is provided for use in ballot marking, including several mechanisms for receiving and detecting the orientation of a substrate within a thermal printing apparatus.
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