Method and apparatus for driving ink jet recording head

Details Method and apparatus for driving ink jet recording head Method and apparatus for driving ink jet recording head

1992-11-06

1996-04-23

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Controller

347 70, B41J 2045

Patent

active

055108164

ABSTRACT:
A method of driving an ink jet recording head comprising the steps of: retreating a vibrating plate to a predetermined position from a nozzle opening at such a speed as to allow a meniscus at the nozzle opening to be jetted from the nozzle opening while applying a drive voltage to a piezoelectric vibrating element; holding the vibrating plate at the position; and advancing the vibrating plate toward the nozzle opening when the meniscus has returned to a position 1/3 or more of the farthest retreat position thereof. As a result, a pressure chamber contracted to thereby apply pressure to ink when inertial stream of the ink become stable and heads toward the nozzle opening, producing an ink droplet to be jetted at a predetermined speed irrespective of the position of the meniscus.

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Chip Zeischrif fuer Mikrocomputer-Technik, No. 9, Sep. 1988, Wurzburg de Hammamotu `Tintenstrahldrucker: Vorurteil Uberwunden`.

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