Low-interference thermistor for a thermal ink jet printhead chip

Incremental printing of symbolic information – Ink jet – Controller

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347 17, B41J 205

Patent

active

054226651

ABSTRACT:
A thermal ink-jet printhead comprises a substrate having a plurality of heating elements defined thereon. A thermistor, disposed on the substrate, includes a conductor loop which does not encompass the heating elements on the substrate. The configuration of the thermistor significantly reduces both electromagnetic and capacitance interference caused by the heating elements.

REFERENCES:
patent: 4910528 (1990-03-01), Firl et al.
patent: 5036337 (1991-07-01), Rezanka
patent: 5073690 (1991-12-01), Kneezel
patent: 5175565 (1992-12-01), Ishinaga et al.

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