Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-03-21
2006-03-21
Nguyen, Thinh (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
07014294
ABSTRACT:
An ink-jet head has a passage unit including a plurality of pressure chambers each having one end connected with a nozzle and another end connected with an ink supply source. Each of the pressure chambers is confined in each of a plurality of parallelogram regions and has an elliptical planar shape with no corner bulging in a direction to leave a line joining the one end and the another end in each of the pressure chambers, in a plane of the passage unit where the pressure chambers are arranged. The planar shape of the pressure chamber is slender along a longer diagonal line of a rhombic region, and a direction of the longer diagonal line of a rhombic region and a direction of a direction joining the one end and the other end in each of the pressure chambers are substantially coincident with each other.
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Hirota Atsushi
Sakaida Atsuo
Brother Kogyo Kabushiki Kaisha
Nguyen Thinh
Oliff & Berridg,e PLC
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