Air bubble removing system in a printer head of an ink jet syste

Details Air bubble removing system in a printer head of an ink jet syste Air bubble removing system in a printer head of an ink jet syste

1982-07-22

1984-08-14

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

044660057

ABSTRACT:
An air bubble removing system is provided in an ink jet system printer of the ink on demand type for removing air bubbles contained in a pressure chamber of a printer head of the ink jet system printer. The air bubble removing system applies a driving signal of various frequencies and having various voltage levels to a piezoelectric transducer attached to the pressure chamber, thereby discharging the air bubbles contained in the ink liquid disposed in the pressure chamber through an orifice provided at one end of the pressure chamber.

REFERENCES:
patent: 4245224 (1981-01-01), Isayama
patent: 4323908 (1982-04-01), Lee

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