Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2010-06-28
2011-10-11
Do, An (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
08033631
ABSTRACT:
A recording head in which a plurality of recording elements is arranged in an order is provided. The recording head includes a plurality of driving circuits that generate signals for driving transistors, each of the plurality of driving circuits being provided for a corresponding one of the plurality of recording elements. The recording head further includes a plurality of temperature acquisition circuits that acquire temperatures of the recording elements and a signal generation circuit that generates signals for sequentially driving the recording elements. The temperature acquisition circuit corresponding to the first recording element performs acquisition of a temperature based on a signal that is generated by the driving circuit corresponding to the second recording element and a signal that is generated by the driving circuit corresponding to the third recording element.
REFERENCES:
patent: 6634731 (2003-10-01), Kao
patent: 6755580 (2004-06-01), Furukawa et al.
patent: 7722148 (2010-05-01), Takabayashi et al.
patent: 2007/0229566 (2007-10-01), Takabayashi
patent: 2007/0291066 (2007-12-01), Takabayashi
patent: 2007-290361 (2007-11-01), None
patent: 2007-331353 (2007-12-01), None
Canon Kabushiki Kaisha
Canon USA Inc. IP Division
Do An
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