Printhead and recording device arranged with the printhead

Details Printhead and recording device arranged with the printhead Printhead and recording device arranged with the printhead

2005-05-31

2005-05-31

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S012000

Reexamination Certificate

active

06899414

ABSTRACT:
A printhead includes plural print elements grouped in blocks. The blocks are selected by a block selection unit to which an initial value is inputted. The initial value is kept in a memory unit, and the blocks are autonomously and periodically selected by the initial value kept in the memory unit. The initial value is variable, and the block selection unit changes the order of selected blocks using the changed initial value. Thus, displacement in the main scanning direction resulting from the periodically selected blocks can be eliminated.

REFERENCES:
patent: 6543892 (2003-04-01), Kubota et al.
patent: 2001/0045967 (2001-11-01), Hayasaki
patent: 2002/0118241 (2002-08-01), Fujii
patent: 62-77951 (1987-04-01), None
patent: 5-238004 (1993-09-01), None
patent: 6-198893 (1994-07-01), None
patent: 6-305148 (1994-11-01), None
patent: 9-327914 (1997-12-01), None

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