Thermal inkjet printhead with de-clog firing mode

Details Thermal inkjet printhead with de-clog firing mode Thermal inkjet printhead with de-clog firing mode

2006-10-10

2009-10-20

Nguyen, Lam S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S015000, C347S017000

Reexamination Certificate

active

07604321

ABSTRACT:
A printhead IC comprising: an array of nozzles, each with a corresponding heater to form a vapor bubble in printing fluid that causes a drop of the printing fluid to eject through the nozzle; and, drive circuitry for generating drive pulses that energize the heaters, the drive circuitry being configured to operate in two modes, a printing mode in which the drive pulses it generates are printing pulses, and a maintenance mode in which the drive pulses are de-clog pulses; wherein, the de-clog pulse has lower power and a longer duration than the printing pulse.

REFERENCES:
patent: 4982199 (1991-01-01), Dunn
patent: 5109234 (1992-04-01), Otis et al.
patent: 6120125 (2000-09-01), Kim
patent: 6375299 (2002-04-01), Foster et al.
patent: 6698862 (2004-03-01), Choi et al.
patent: 7384128 (2008-06-01), Sheahan et al.
patent: 7425047 (2008-09-01), Sheahan et al.
patent: 2003/0202085 (2003-10-01), Rother
patent: 0174751 (1988-11-01), None
patent: WO 99/08875 (1999-02-01), None

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