Printhead substrate, printhead, temperature control method...

Details Printhead substrate, printhead, temperature control method... Printhead substrate, printhead, temperature control method...

2006-09-05

2006-09-05

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S017000, C347S020000

Reexamination Certificate

active

07101006

ABSTRACT:
This invention provides simpler, low-cost printhead temperature adjustment means without complicating the driver arrangement of a printhead substrate. In a printing apparatus to which this invention is applied, when printing by alternately driving two printheads having the same arrangement, if one of these printheads is in printing, a driving signal having a short pulse width insufficient to print is input to the other printhead to drive all printing elements.

REFERENCES:
patent: 5175565 (1992-12-01), Ishinaga et al.
patent: 5191357 (1993-03-01), Ono
patent: 5867200 (1999-02-01), Tajima et al.
patent: 6022096 (2000-02-01), Hirasawa et al.
patent: 6027198 (2000-02-01), Tanaka et al.
patent: 6471320 (2002-10-01), Anderson
patent: 6616257 (2003-09-01), Imanaka et al.
patent: 2003/0189608 (2003-10-01), Hung et al.

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