Fluid ejection device with feedback circuit

Details Fluid ejection device with feedback circuit Fluid ejection device with feedback circuit

2007-02-13

2007-02-13

Huffman, Julian D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000, C347S012000

Reexamination Certificate

active

10789189

ABSTRACT:
A fluid ejection device includes a plurality of fluid ejecting elements, each fluid ejecting element controllable to conduct electrical current between a supply voltage and a reference voltage. Up to all fluid ejecting elements of a group of the plurality of fluid ejecting elements are configured to conduct during a time period. Each conducting fluid ejecting element has a corresponding fluid ejecting voltage when conducting. A feedback circuit is configured to provide a feedback voltage substantially equal to an average of corresponding fluid ejecting voltages at the fluid ejecting elements that are conducting.

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