Ink jet recording method

Details Ink jet recording method Ink jet recording method

2006-10-10

2006-10-10

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000

Reexamination Certificate

active

07118196

ABSTRACT:
When a drive frequency for an electrode used to cause an electrostatic force to act on an ink composition is assigned A, and a division frequency for a thread is assigned B, a relationship of A≧5 kHz and B/A≧5 is met, and a division frequency for the thread is reduced for a time period required to apply a pulse voltage to the electrode in order to eject the ink composition. As a result, it is possible to provide an electrostatic ink jet recording method with which excellent gradation controllability and controllability for dot diameters in a shadow area can be realized.

REFERENCES:
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patent: 4314263 (1982-02-01), Carley
patent: 5754199 (1998-05-01), Miki et al.
patent: 6158844 (2000-12-01), Murakami et al.
patent: 6908177 (2005-06-01), Suganuma
patent: 2002/0122099 (2002-09-01), Furukawa
patent: 1 495 868 (2005-01-01), None
patent: 10-138493 (1998-05-01), None
Japanese Abstract No. 06222853, dated Aug. 12, 1994.
“Electrophotography-Bases and Applications”, edited by The Imaging Society of Japan, and published by Corona Publishing Co., Ltd., pp. 497 to 505, 1988.

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