Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-10-17
2006-10-17
Do, An H. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S011000
Reexamination Certificate
active
07121648
ABSTRACT:
A droplet-jetting device having high jetting ability, which includes an actuator featuring a liquid chamber and a heater and a controller. The liquid chamber has an aperture for jetting droplets of an operation liquid which the liquid chamber accommodates. The heater provides thermal energy to the operation liquid and forms bubbles for droplet-jetting. The controller controls a driving signal, which is inputted to the heater. The driving signal includes a preparatory heating pulse signal, which corresponds to a preparatory heating energy for preparatory heating of the operation liquid, and a trigger pulse signal, which corresponds to a jetting thermal energy for bubble creation and growth. A power supplied by the preparatory heating pulse signal is smaller than a power supplied by the trigger pulse signal, and a heating duration by the preparatory heating pulse signal is longer than a heating duration by the trigger pulse signal.
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Iida Yoshihiro
Morita Naoki
Okuyama Kunito
Do An H.
Fuji 'Xerox Co., Ltd.
Iida Yoshihiro
Okuyama Kunito
Oliff & Berridg,e PLC
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