Multiple-nozzle ink-jet recording apparatus

Details Multiple-nozzle ink-jet recording apparatus Multiple-nozzle ink-jet recording apparatus

1979-10-18

1981-11-10

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

043001440

ABSTRACT:
In the pressure, on-demand type ink-jet printers or the like, the driving voltages applied to respective electrostrictive means of print head or nozzle units are shifted in time so that constructive interferences of sound waves produced by the pressure waves which in turn are generated bu respective print head or nozzle units may be avoided, whereby the over-all intensity of sound waves and consequently noise may be remarkably suppressed.

REFERENCES:
patent: 3151543 (1964-10-01), Preisinger
patent: 3452360 (1969-06-01), Williamson
patent: 3934695 (1976-01-01), Kovalick
patent: 4126867 (1978-11-01), Stevenson
patent: 4189734 (1980-02-01), Kyser

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