Ink jet recording method and apparatus for maintaining efficient ink viscosity
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United States of America Patent
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Apr 5, 1994
Issued Date -
N/A
app pub date -
Nov 23, 1992
filing date -
Feb 2, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A recording apparatus includes an ink jet recording head having plural ejection outlets and thermal energy generating elements provided for the respective ejection outlets; a signal supplying device for supplying a recording signal to said recording head; a detector for detecting a state relating to heat, on the basis of the recording signal supplied from the signal supplying device; and a controller, responsive to the detector, for actuating the thermal energy generating element. The apparatus maintains the viscosity of the ink in the recording head lower than a critical ejection viscosity.
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