Ink-jet printing apparatus

Details Ink-jet printing apparatus Ink-jet printing apparatus

1980-03-13

1982-09-21

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

043509894

ABSTRACT:
An ink-jet printing apparatus having a plurality of nozzles for projecting ink droplets which are selectively deposited on a printing medium in accordance with an information signal so as to form a printed pattern, such ink-jet printing apparatus comprising means for causing ink droplets used for printing to project from each nozzle in accordance with an information signal, a common power source for supplying a desired voltage to the ink-drop forming means provided at each nozzle thereby operating them, and switching means connected between the ink-drop forming means and the common power source and controlled by the information signal, the output of the power source being selectively supplied through the switching means to the ink-drop forming means, so that the driving system for driving the ink-drop forming means and the control system therefor can be separately provided, thus enabling a number of nozzles to be effectively controlled by a lowest control voltage.

REFERENCES:
patent: 3560641 (1971-02-01), Taylor
patent: 3946398 (1976-03-01), Kyser
patent: 4126867 (1978-11-01), Stevenson
patent: 4161670 (1979-07-01), Kern
patent: 4189734 (1980-02-01), Kyser

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