Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2004-08-03
2008-03-25
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S014000, C347S015000
Reexamination Certificate
active
07347523
ABSTRACT:
The image recording apparatus comprises: a printing device which includes a full-line recording head having a plurality of image-recording elements arranged along a length corresponding to an entire width of a printing medium, the recording head recording an image on the printing medium by the plurality of image-recording elements; a conveying device which moves at least one of the recording head and the printing medium relatively to each other in a conveyance direction substantially perpendicular to a width direction of the printing medium; an image reading device which includes a plurality of sensors outputting actual sensor output data by reading the image recorded on the printing medium, the plurality of sensors being arranged along the length corresponding to the entire width of the printing medium; and a defective image-recording element determining device which determines a defective one of the plurality of image-recording elements by performing computation for each sensor of the plurality of sensors according to the actual sensor output data obtained from the each sensor, the actual sensor output data obtained from one of the plurality of sensors adjacent to the each sensor, and expected sensor output data expected from the image to be normally recorded.
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Fidler Shelby
Luu Matthew
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