Liquid discharge head substrate and liquid discharge head...

Incremental printing of symbolic information – Ink jet – Controller

Reexamination Certificate

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C347S040000, C347S057000

Reexamination Certificate

active

07954918

ABSTRACT:
A selection circuit receives heat-enable signals to drive heaters, whereby signals are selected to drive the heaters.

REFERENCES:
patent: 4710649 (1987-12-01), Lewis
patent: 6224184 (2001-05-01), Imanaka et al.
patent: 6382755 (2002-05-01), Imanaka et al.
patent: 6464329 (2002-10-01), Koitabashi et al.
patent: 6582041 (2003-06-01), Tsuruoka
patent: 7588304 (2009-09-01), Kasai et al.
patent: 2001/0008405 (2001-07-01), Yamane et al.
patent: 2004/0021717 (2004-02-01), Nakajima et al.
patent: 2005/0134620 (2005-06-01), Hirayama et al.

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