Apparatus for and method of driving ink-jet recording head...

Details Apparatus for and method of driving ink-jet recording head... Apparatus for and method of driving ink-jet recording head...

B - Operations, Transporting

41

J

B41J 2/045 (2006.01)

Patent

CA 2308742

An apparatus for driving an ink-jet recording head includes a piezoelectric device, a drive waveform generation circuit, a waveform extraction circuit. The drive waveform generation circuit generates a drive waveform in which n basic waveforms are connected in series, each of the n basic waveforms having a single period, where n is an integer equal to or greater than 2. The waveform extraction circuit which extracts m (m is an integer, and 1~m~n) of the n basic waveforms as a print drive waveform based on an externally supplied print data, and applies the print drive waveform to the piezoelectric device. Thereby, an ink is discharged from a nozzle based on a distortion of the piezoelectric device.

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