Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2008-12-01
2011-10-11
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S056000, C347S061000, C347S066000, C347S086000
Reexamination Certificate
active
08033651
ABSTRACT:
A reliable print head with improved reliability is less likely to be damaged by possible cavitation in ink inside a bubbling chamber. A plurality of ink supply paths through which the ink is supplied to the bubbling chamber are connected to the bubbling chamber. Communication positions where the plurality of ink supply paths communicate with the energy acting chamber are formed such that distances from a heater formation surface of the communication positions are different from each other along a direction orthogonal to the heater formation surface.
REFERENCES:
patent: 4558333 (1985-12-01), Sugitani et al.
patent: 6660175 (2003-12-01), Kawamura et al.
patent: 7111930 (2006-09-01), Studer et al.
patent: 2003/0117462 (2003-06-01), Cleland et al.
patent: 58-8658 (1983-01-01), None
Ide Shuichi
Tomizawa Keiji
Tsuchii Ken
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Goldberg Brian J
Luu Matthew
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