Head driving device, inkjet printer comprising the same, and...

Details Head driving device, inkjet printer comprising the same, and... Head driving device, inkjet printer comprising the same, and...

2009-07-13

2011-12-13

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C358S001900

Reexamination Certificate

active

08075078

ABSTRACT:
A head driving device, an inkjet printer comprising the same and data processing method of an ink jet printer are provided, in which a nozzle driving unit turns on/off a plurality of thermal elements that correspond to a plurality of nozzles and heat ink discharged from the nozzles, a data processing unit processes printing data and outputs a nozzle select signal corresponding to an image to the nozzle driving unit; and a head logic unit receives the printing data externally, divides the printing data of one address group into a plurality of data groups, transmits the plurality of data groups to the data processing unit via different data buses corresponding to the plurality of data groups, respectively, and controls the data processing unit to process the divided printing data. Accordingly, an EMI characteristic between signals can be improved by lowering the data buses density in one area, and a data processing speed can be adjusted by dividedly processing printing data.

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