Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-02-15
2005-02-15
Brooke, Michael S. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
06854820
ABSTRACT:
In an liquid ejection head according to the present invention having a plurality of ejection openings arranged in a predetermined direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings and being in relative motion with a printing medium, a kinetic energy of the liquid ejected from each ejection opening constituting an end group disposed in the respective opposite end section along the predetermined direction is larger than a kinetic energy of the liquid ejected from each ejection opening constituting a central group disposed in a central section along the predetermined direction. According to the present invention, it is possible to prevent an ink droplet ejected from the ejection opening in the end group from being deviated toward the central section along the predetermined direction, whereby the generation of white streaks is avoidable when a solid printing is carried out.
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Kawatoko Norihiro
Mizutani Michinari
Murakami Shuichi
Tajika Hiroshi
Brooke Michael S.
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
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