Liquid ejecting head and liquid ejecting apparatus...

Details Liquid ejecting head and liquid ejecting apparatus... Liquid ejecting head and liquid ejecting apparatus...

2005-07-12

2008-09-09

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S007000, C347S014000, C347S068000, C347S054000

Reexamination Certificate

active

07422304

ABSTRACT:
A liquid ejecting head is provided with pressure chambers adapted to contain liquid. Nozzle orifices are respectively communicated with the pressure chambers and arranged so as to form nozzle arrays. Each of pressure generating elements is operable to generate pressure fluctuation in the liquid contained in one of the pressure chambers to eject at least a first amount of a liquid droplet and a second amount of a liquid droplet from one of the nozzle orifices toward a target medium. A first storage stores first information indicative of a first deviation of the first amount from a first reference amount for each of the nozzle arrays. A second storage stores second information indicative of a correlation between the first deviation and a second deviation of the second amount from a second reference amount. A processor is operable to calculate the second deviation for each of the nozzle arrays with reference to the first information and the second information.

REFERENCES:
patent: 6585340 (2003-07-01), Borrell
patent: 2003/0146945 (2003-08-01), Inui et al.
patent: 2003/0234826 (2003-12-01), Hosono et al.
patent: 2004/0119765 (2004-06-01), Fujimori et al.
patent: 2005/0128230 (2005-06-01), Chelvayohan
patent: 0 983 863 (2000-03-01), None
patent: 5-88552 (1993-04-01), None
patent: 10-278360 (1998-10-01), None
patent: WO 98/52762 (1998-11-01), None

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