Droplet ejecting apparatus and droplet ejecting method

Details Droplet ejecting apparatus and droplet ejecting method Droplet ejecting apparatus and droplet ejecting method

2006-02-04

2010-06-15

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000, C347S010000

Reexamination Certificate

active

07735947

ABSTRACT:
In a droplet ejecting system, after an ink droplet is ejected a reverberation pressure change is amplified to obtain an appropriate amount of reverberation pressure change, and the ink droplet is reliably separated from a meniscus when ejecting the ink droplet. To this end, voltage including an ejecting pulse for ejecting the ink droplet is applied to a piezoactuator to generate a pressure change in a pressure chamber, and voltage including a reverberation amplifying pulse is applied to the piezoactuator to amplify the pressure change in the pressure chamber in the next cycle subsequent to the cycle of the pressure change generated by the ejecting pulse.

REFERENCES:
patent: 6799821 (2004-10-01), Okuda
patent: 2004/0113961 (2004-06-01), Ishikawa
patent: 2004/0155915 (2004-08-01), Kitami et al.
patent: 59-176060 (1984-10-01), None
patent: 2000-276200 (2000-10-01), None
patent: 2000-280463 (2000-10-01), None

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