Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1997-08-28
2000-05-09
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
B41J 206
Patent
active
060593997
ABSTRACT:
A head body is shaped to project toward an ink ejection side, and formed along the projection with an ink channel for circulating the ink, at the vertex of the front end of which an opening is formed for ejecting the ink from the ink channel. An ejection electrode is formed along the front end of the head body. Its front end reaches the opening. An electrophoresis electrode is secured in the ink channel at a position opposite to the opening, and supplied with a voltage for moving the toner particles in the ink flowing in the ink channel to the front end of the ejection electrode with the electrophoresis effect. An opposite electrode is positioned opposite to the ink ejection side. A drive circuit drives the opposite electrode when the electrophoresis electrode is driven, and generates voltage for attracting the toner particles toward the opposite electrode with Coulomb force that is generated by an electric field acting between the ejection electrode and the electrophoresis electrode, and the opposite electrode.
REFERENCES:
patent: 4271416 (1981-06-01), Shimizu et al.
TonerJet, by Array Printers AB, 1990.
Hagiwara Yoshihiro
Minemoto Hitoshi
Mizoguchi Tadashi
Shima Kazuo
Suetsugu Junichi
Barlow John
Gordon Raquel Yvette
NEC Corporation
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