Multiple nozzle ink jet print head

Details Multiple nozzle ink jet print head Multiple nozzle ink jet print head

1981-11-12

1983-06-07

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

043873839

ABSTRACT:
A print head includes a plurality of liquid droplet producing devices in an arrangement wherein the piezoelectric elements are in direct contact with the liquid. The piezo elements are pulsed on demand to cause rapid volume change in the compression chamber to initiate pressure waves therein and to eject ink droplets from the nozzles of the print head.

REFERENCES:
patent: 3683212 (1972-08-01), Zoltan
patent: 3832579 (1974-08-01), Arndt
patent: 4189734 (1980-02-01), Kyser
patent: 4245227 (1981-01-01), Krause
patent: 4303927 (1981-12-01), Tsao

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