Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-10-26
2008-05-13
Nguyen, Thinh (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S009000, C347S012000
Reexamination Certificate
active
07370927
ABSTRACT:
A recording apparatus includes a conveying unit for conveying a recording medium, a conveying motor for driving the conveying unit, an encoder for outputting a signal in accordance with the operating amount of the conveying unit, and a generating unit for generating an interruption signal when the conveying motor is stopped. The operating amount of the conveying unit is counted during a predesignated period beginning with the output of the interruption signal, and in accordance with the obtained count value, nozzles used for recording are selected and image recording is performed. With the above configuration, the recording apparatus removes problems, such as when a conveying unit conveys a recording medium, the halted position is shifted and the quality of an image formed on the recording medium is degraded, or when the conveying unit is operated to correct the position shifting, throughput is reduced.
REFERENCES:
patent: 6241334 (2001-06-01), Haselby
patent: 6527359 (2003-03-01), Otsuki
patent: 6986561 (2006-01-01), Takeuchi
Kuruma Kazuhisa
Mitani Yasutaka
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Nguyen Thinh
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