| 摘要 |
A liquid-jet apparatus includes: a driving signal generating unit that generates a ejecting driving signal, which is a periodic signal having a plurality of pulse waveforms; a driving pulse generating unit that generates a driving pulse string for each unit region of a medium to be printed upon, on the basis of gray-scale data for the unit region, the ejecting driving signal, and information on whether the driving pulse string generated for a previous unit region includes a last pulse waveform or a pulse waveform immediately before the last pulse waveform in one cycle of the ejecting driving signal; and a control unit that drives the pressure changing unit on the basis of the driving pulse. In the liquid-jet apparatus, the one cycle of the ejecting driving signal corresponds to one unit region of the medium to be printed upon.
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