High-performance, high-density ink jet printhead having...

Details High-performance, high-density ink jet printhead having... High-performance, high-density ink jet printhead having...

2006-05-23

2006-05-23

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C358S001200

Reexamination Certificate

active

07048355

ABSTRACT:
The present invention includes as one embodiment an inkjet printhead including a plurality of ink drop generators configured to recieve a same color of ink and grouped into four axis groups, each of the four axis groups including a plurality of nozzles arranged along one of four axes, wherein the drop generators are staggered with respect to one another to decrease an effective pitch of the inkjet printhead to substantially one fourth of the pitch of a single one of the four axis groups.

REFERENCES:
patent: 5030971 (1991-07-01), Drake et al.
patent: 5877793 (1999-03-01), Erickson
patent: 6048052 (2000-04-01), Kitahara et al.
patent: 6170932 (2001-01-01), Kanaya et al.
patent: 6325489 (2001-12-01), Endo
patent: 6585352 (2003-07-01), Torgerson et al.
patent: 6742866 (2004-06-01), Anderson et al.

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