Fluid ejection device with fire cells

Details Fluid ejection device with fire cells Fluid ejection device with fire cells

2006-08-15

2006-08-15

Stepehens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S056000

Reexamination Certificate

active

07090338

ABSTRACT:
Devices, methodologies, and other embodiments associated with fluid ejection devices are described. One exemplary embodiment includes a fluid ejection device that comprises a plurality of firing cells configured to eject fluid when activated. The firing cells can be grouped into firing groups of firing cells including a first fire group and a second fire group. A circuit can be provided that is configured to activate selected firing cells where the circuit is configured to respond to activation signals including a first fire pulse to activate the firing cells of the first fire group and a second fire pulse to activate the firing cells of the second fire group. The circuit can also be configured to activate the first fire group and the second fire group to eject fluid overlapping in time.

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