Driving method of liquid drop ejecting head and liquid drop...

Details Driving method of liquid drop ejecting head and liquid drop... Driving method of liquid drop ejecting head and liquid drop...

2005-11-18

2009-08-11

Meier, Stephen D (Department: 2853)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S317000

Reexamination Certificate

active

07573179

ABSTRACT:
Disclosed herein is a driving method of a liquid drop ejecting head in which an oscillatory wave is imparted to a liquid accommodated in a pressure chamber using an electromechanical transducer, which is driven by applying a predetermined driving waveform to the electromechanical transducer, thereby discharging a liquid drop from a nozzle to record an image. The driving method comprising: detecting an environmental temperature, and expanding and/or contracting the driving waveform to be applied to the electromechanical transducer, in a voltage axial direction and a time axial direction, in accordance with the detected environmental temperature, and applying the resulting driving waveform to the electromechanical transducer. Also disclosed is adjusting the waveform of a reverberation adjustor portion of the driving waveform, which adjusts a residual oscillation of the liquid, in accordance with the detected environmental temperature.

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