Printer cartridge including infrared absorbing ink
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United States of America Patent
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-
Apr 29, 2008
Grant Date -
Mar 31, 2005
app pub date -
Oct 13, 2004
filing date -
May 25, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printer cartridge for a printer that can print visible information and invisible information that is invisible to the human eye but can be read by an optical reader. The cartridge stores the various inks for print visible information as well as infrared absorbing ink for printing the invisible information to be read by the optical reader. Incorporating the visible and infrared inks into a single cartridge reduces the frequency of interruption to the printers operation.
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Cited Art Landscape
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