Liquid ejection head and apparatus and liquid ejection method

Details Liquid ejection head and apparatus and liquid ejection method Liquid ejection head and apparatus and liquid ejection method

1996-09-20

2000-05-16

Hartary, Joseph

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 40, B41J 205

Patent

active

060626801

ABSTRACT:
A liquid ejecting head having at least two liquid ejecting head portions, the liquid ejecting head portions each includes a plurality of ejection outlets for ejecting liquid; a plurality of bubble generating regions for generating bubbles in the liquid; and a plurality of movable members each of which is displaceable between a first position and a second position farther from the bubble generating region than the first position; wherein the movable member is displaced from the first position to the second position by pressure produced by the generation of the bubble in the bubble generating portion to permit expansion of the bubble more in a downstream side closer to the ejection outlet than in an upstream side; an amount of ejection is controlled beforehand by changing at least one of a dimension and a position of the movable member.

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patent: 5095321 (1992-03-01), Saito et al.
patent: 5208604 (1993-05-01), Watanabe et al.
patent: 5278585 (1994-01-01), Karz et al.
patent: 5389957 (1995-02-01), Kimura et al.
patent: 5412410 (1995-05-01), Rezanka
Examiner's First Report for Australian Patent Appln. No. 65776/96.

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