Liquid ejection recording head

Details Liquid ejection recording head Liquid ejection recording head

2007-12-04

2007-12-04

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

11218856

ABSTRACT:
A compact liquid ejection recording head capable of forming high-quality images at high speed includes large nozzles for ejecting large droplets, medium nozzles for ejecting medium droplets, and small nozzles for ejecting small droplets. The large nozzles are arranged on one side of an ink supply port, while the small nozzles and the medium nozzles are arranged on the other side of the ink supply port. The number of the small nozzles is larger than that of the medium nozzles, and that of the large nozzles. This allows high-quality and high-speed printing using the small nozzles, high-speed photo printing using the medium and small nozzles, and high-speed printing using the large nozzles.

REFERENCES:
patent: 6137502 (2000-10-01), Anderson
patent: 6309051 (2001-10-01), Koitabashi
patent: 6789877 (2004-09-01), Murakami et al.
patent: 7025438 (2006-04-01), Murakami et al.
patent: 8-183179 (1996-07-01), None

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