Ink ejecting device for use in an ink jet printing apparatus

Details Ink ejecting device for use in an ink jet printing apparatus Ink ejecting device for use in an ink jet printing apparatus

1995-12-28

1998-07-14

Le, N.

Incremental printing of symbolic information

Ink jet

Controller

347 68, 347 10, B41J 2938, B41J 2045

Patent

active

057812039

ABSTRACT:
An ink ejecting device for use in an ink jet printing apparatus, includes: a number of ejecting elements arranged in a matrix having a first number of columns and a second number of rows, each ejecting element having: an ink chamber whose volume is changeable, an ejection nozzle communicating with the ink chamber, and an ink supply hole communicating with the ink chamber, and an piezoelectric conversion element, a drive portion for driving piezoelectric conversion elements of each column in a manner for expanding the ink chamber to allow ink to flow into the ink chamber and contracting the ink chamber to eject ink from the ink chamber through the ejection nozzle.

REFERENCES:
patent: 5563634 (1996-10-01), Fujii et al.

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