Mechanical dithering of printing mechanisms

Details Mechanical dithering of printing mechanisms Mechanical dithering of printing mechanisms

2008-01-22

2010-06-29

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000, C347S070000

Reexamination Certificate

active

07744184

ABSTRACT:
A system includes a control module that communicates with a printhead having nozzles, that detects a malfunctioning nozzle, and that generates control signals when the malfunctioning nozzle is detected. The system includes a vibration generator that selectively vibrates the printhead along a first axis of a print medium based on the control signals. The first axis is selected from a group consisting of parallel and perpendicular to a second axis of motion of the print medium. The printhead vibrates synchronously with at least one of a speed of the print medium and timing of firing of the nozzles.

REFERENCES:
patent: 7571975 (2009-08-01), Lee et al.
patent: 2003/0202040 (2003-10-01), Shade
patent: 2007/0024661 (2007-02-01), Kim et al.
patent: 2007/0176953 (2007-08-01), Han
patent: 0963854 (1999-12-01), None
patent: 1314561 (2003-05-01), None
The International Search Report and the Written Opinion of the International Searching Authority, or the Declaration dated May 26, 2008 for International Application No. PCT/US2008/000842 filed Jan. 23, 2008; 12 pages.

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