On chip heater element and temperature sensor

Details On chip heater element and temperature sensor On chip heater element and temperature sensor

1988-04-29

1990-02-06

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

374147, G01D 1800, B41J 304

Patent

active

048991805

ABSTRACT:
This bubblejet device has integrated into it a number of heater resistors and a temperature sensor which operate in conjunction with a temperature regulating circuit to heat the chip to its optimum operating temperature within seconds of turn-on, and thereafter maintain that temperature regardless of local temperature variations. The precise temperature regulation of the array improves print quality.

REFERENCES:
patent: 4429321 (1984-01-01), Matsumoto
patent: 4601777 (1986-07-01), Hawkins
patent: 4719472 (1988-01-01), Arakawa

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