Temperature calibration for fluid ejection head

Details Temperature calibration for fluid ejection head Temperature calibration for fluid ejection head

2007-12-12

2009-10-27

Shah, Manish S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S017000, C347S019000

Reexamination Certificate

active

07607746

ABSTRACT:
The present invention includes as one embodiment a method of ejecting a fluid onto a print media. The method includes providing an ejection head having a nozzle that is coupled to a temperature sensor and a memory device. The method further includes measuring an uncalibrated temperature of the ejection head with the temperature sensor, recalling a correction value from the memory device, applying the correction value to the uncalibrated temperature to generate a calibrated temperature, and ejecting fluid from the nozzle onto the print media when the calibrated temperature is within a predefined temperature range.

REFERENCES:
patent: 5576745 (1996-11-01), Matsubara
patent: 5673069 (1997-09-01), Canfield et al.
patent: 6231153 (2001-05-01), Elgee
patent: 6302507 (2001-10-01), Prakash et al.
patent: 6644774 (2003-11-01), Burger et al.
patent: 2002/0140755 (2002-10-01), Hetzer et al.
patent: 2003/0156182 (2003-08-01), Coons et al.
patent: 1176016 (2002-01-01), None

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