Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2008-12-29
2011-10-04
Huffman, Julian (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S019000
Reexamination Certificate
active
08029091
ABSTRACT:
The present invention provides an inkjet recording apparatus includes an inkjet head, a conveyor, a printing controller, an image sensor, a blocking object determining unit, and a blocking object dealing unit. The inkjet head has an ejection surface in which plural ejection outlets ejecting ink are formed. The conveyor has a placing member on which a recording medium is placed and conveys the placing member to a position opposing the ejection surface. The printing controller causes the conveyor to convey the placing member to the opposing position and causes the inkjet head to eject the ink towards the opposing position. The image sensor captures an image of at least one of (i) a surface of the recording medium placed on the placing member, (ii) a surface of the placing member, and (iii) the ejection surface. The blocking object determining unit determines, based on the image captured by the image sensor, whether an object which blocks the flight of the ink exists between the ejection outlets and the opposing position so as to obstruct at least two neighboring ejection outlets among the ejection outlets. The blocking object dealing unit carries out a predetermined blocking object dealing operation when the blocking object determining unit determines that the object blocking the flight of the ink obstructs at least two neighboring ejection outlets among the ejection outlets.
REFERENCES:
patent: 5296876 (1994-03-01), Yamaguchi et al.
patent: 5428379 (1995-06-01), Kaneko et al.
patent: 6352331 (2002-03-01), Armijo et al.
patent: 2006-187979 (2006-07-01), None
Baker & Botts L.L.P.
Brother Kogyo Kabushiki Kaisha
Huffman Julian
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