Visual identification of solid ink sticks

Details Visual identification of solid ink sticks Visual identification of solid ink sticks

2008-01-18

2010-12-28

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S099000

Reexamination Certificate

active

07857440

ABSTRACT:
An ink stick comprises an ink stick body configured for insertion in an insertion direction into an ink loader of the phase change ink imaging device. The ink stick body has an insertion perimeter in a plane substantially perpendicular to the insertion direction and has a longitudinal dimension for aligning with a feed direction of the ink loader. A symbol contour is formed in a first position on the perimeter of the ink stick body. The symbol contour defines a portion of a perimeter of a visually recognizable symbol shape and extends at most partially along the perimeter of the ink stick in the longitudinal dimension of the ink stick body. At least one key contour is formed in a second position on the perimeter of the ink stick body corresponding to a color of the ink for the ink stick body.

REFERENCES:
patent: 6857732 (2005-02-01), Jones et al.
patent: 6874880 (2005-04-01), Jones
patent: 6893121 (2005-05-01), Jones
patent: 7063412 (2006-06-01), Jones et al.

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