Driving apparatus and driving method for inkjet head
AssigneeToshiba Tec Kabushiki Kaisha
InventorMasashi Shimosato
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Abstract
According to one embodiment, a driving apparatus configured to drive an inkjet head configured to cause plural nozzles to discharge ink according to deformation of an electromechanical energy converting element includes: a signal generating unit configured to generate a driving signal to be applied to the electromechanical energy converting element; and a setting unit configured to set, with respect to a reference waveform, a delay time of a waveform of the driving signal in the nozzles by using a random number generated by a random number generator.
Claims20
A driving apparatus for an inkjet head, comprising:
- a signal generating unit configured to generate a driving signal to be applied to an electromechanical energy converting element configured to cause plural nozzles of the inkjet head to discharge ink according to deformation of the electromechanical energy converting element;
- and
- a setting unit configured to set, with respect to a reference waveform, a delay time of a waveform of the driving signal corresponding to the respective nozzles by using a random number generated by a random number generator.
A driving method for an inkjet head, comprising:
- generating a driving signal to be applied to an electromechanical energy converting element configured to cause plural nozzles of the inkjet head to discharge ink according to deformation of the electromechanical energy converting element;
- and
- setting, with respect to a reference waveform, a delay time of a waveform of the driving signal corresponding to the nozzles by using a random number generated by a random number generator.
An inkjet printer comprising:
- an inkjet head including plural nozzles and an electromechanical energy converting element configured to cause the nozzles to discharge ink according to deformation of the electromechanical energy converting element;
- and
- a driving apparatus including a signal generating unit configured to generate a driving signal to be applied to the electromechanical energy converting element, and a setting unit configured to set, with respect to a reference waveform, a delay time of a waveform of the driving signal corresponding to the nozzles by using a random number generated by a random number generator.
Dependencies are inferred from the claim text.