Inkjet recording apparatus

Details Inkjet recording apparatus Inkjet recording apparatus

2011-08-16

2011-08-16

Le, Uyen-Chau N (Department: 2874)

Incremental printing of symbolic information

Ink jet

Controller

C347S006000, C347S010000

Reexamination Certificate

active

07997672

ABSTRACT:
An inkjet recording apparatus includes a waveform outputting circuit and a current restricting circuit. The waveform outputting circuit outputs to each individual electrode one of ejection signals and a flushing signal, which does not cause any nozzle to eject ink droplets, selected in order in each printing cycle. The current restricting circuit restricts the value of a current to flow from a power supply unit into the waveform outputting circuit, to a value not more than an upper limit current value. The upper limit current value exceeds the value of the current to flow into the waveform outputting circuit when the waveform outputting circuit outputs to all individual electrodes an ejection signal corresponding to the largest amount of ink to eject. The upper limit current value is less than the value of the current to flow into the waveform outputting circuit when the waveform outputting circuit outputs the flushing signal to all individual electrodes.

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Japanese Office Action issued in corresponding Japanese Application No. 2006-207501, dated Jun. 24, 2008.

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