Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2007-01-23
2007-01-23
Shah, Manish S. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S041000, C347S042000
Reexamination Certificate
active
10845135
ABSTRACT:
An ink jet printer has a line head having heating elements (121d) for ejecting ink droplets from nozzles, in which the plurality of heating elements (121d) are arrayed in a direction substantially perpendicular to the paper feed direction. In the line head, the plurality of heating elements (121d) are divided into a plurality of blocks, with each block consisting of a predetermined number of spatially arrayed heating elements of the plurality of heating elements (121d) corresponding to the plurality of nozzles, and a phase signal PH is sequentially supplied to a set of heating elements (121d) simultaneously driven over the respective blocks, thus sequentially driving the respective heating elements (121d) by each set as a unit in a time-divisional manner. Thus, the ink jet printer can reduce the positional shift of dots on the paper and can reduce the instantaneous maximum dissipation power in time-division drive.
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Supplementary EPO Search Report Jun. 16, 2004.
European Patent Office, Application No. 01 901 498.4-2304, Reference No. JBT J10004-4782, Dated May 18, 2006.
Ando Makoto
Ikemoto Yuichiro
Yakura Yuji
Nguyen Lam S.
Shah Manish S.
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