Printhead IC with temperature based de-clog ejection

Details Printhead IC with temperature based de-clog ejection Printhead IC with temperature based de-clog ejection

2011-08-16

2011-08-16

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S010000, C347S014000, C347S022000

Reexamination Certificate

active

07997673

ABSTRACT:
A printhead IC is provided having an ejection nozzle, drive circuitry for generating drive signals for driving the ejection nozzle, and a temperature sensor connected to the drive circuitry. The drive circuitry adjusts the drive signals in response to output of the temperature sensor so as to generate the drive signals as print signals and de-clog signals. The de-clog signals have a longer duration than the print signals.

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