Incremental printing of symbolic information – Ink jet – Ejector mechanism
Patent
1996-12-23
2000-09-26
Barlow, John
Incremental printing of symbolic information
Ink jet
Ejector mechanism
347 10, B41J 206
Patent
active
06123415&
ABSTRACT:
In the ink jet recording apparatus for recording an image by supplying ink obtained by dispersing color material components in a solvent to a head substrate and by jetting ink drops containing at least the color material components to a recording medium on the basis of electrostatic force applied to the color material components, the recording apparatus comprises a driving circuit (107) for applying voltages to electrodes of an electrode array (102) arranged on a head substrate (101), in such a way that a first potential difference whose potential level relationship is reversed at a predetermined period between the two adjacent electrodes can be applied when the color material components are cohered and/or stirred on the head substrate, and a second potential difference different from the first potential difference between the two adjacent electrodes can be applied when the ink drops are jetted toward a recording medium. In this ink jet recording apparatus, a stable recording can be made by uniformalizing the density of the ink color material components on the head substrate and further by preventing the color material components from adhering onto the electrode.
REFERENCES:
patent: 5619234 (1997-04-01), Nagato et al.
patent: 5835113 (1998-11-01), Hirahara et al.
patent: 5835114 (1998-11-01), Nagato et al.
Hirahara Shuzo
Hosaka Yasuo
Ishii Koichi
Murakami Teruo
Nagato Hitoshi
Barlow John
Dickens C.
Kabushiki Kaisha Toshiba
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