Inkjet printer

Details Inkjet printer Inkjet printer

2011-08-16

2011-08-16

Mruk, Geoffrey (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S007000, C347S054000

Reexamination Certificate

active

07997690

ABSTRACT:
An inkjet printer including: a printhead having a plurality of nozzles assemblies, each nozzle assembly having: a nozzle chamber for containing ink, the chamber having a nozzle opening and an ink inlet; and a bend actuator for ejecting ink droplets from the nozzle opening by generating a positive pressure pulse in the ink during bending of the actuator. An ink supply system supplies ink to the printhead so that a hydrostatic pressure of ink can be varied. Increasing the hydrostatic ink pressure increases a volume of the ejected ink droplets, and decreasing the hydrostatic ink pressure decreases a volume of the ejected ink droplets.

REFERENCES:
patent: 6213354 (2001-04-01), Kay
patent: 6428137 (2002-08-01), Iwaishi et al.
patent: 6692108 (2004-02-01), Silverbrook et al.
patent: 6896346 (2005-05-01), Trauernicht et al.
patent: 2002/0171714 (2002-11-01), Silverbrook
patent: 2003/0103106 (2003-06-01), Silverbrook
patent: 2005/0068368 (2005-03-01), Ishizuka et al.
patent: 1419991 (2004-05-01), None

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