Temperature control of ink-jet recording head using heat energy
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United States of America Patent
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Sep 24, 1996
Issued Date -
N/A
app pub date -
Oct 25, 1995
filing date -
Mar 20, 1991
priority date (Note) -
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Abstract
According to this invention, upon execution of recording by ejecting an ink droplet from a recording head, a surrounding temperature sensor for measuring the surrounding temperature is provided to a main body side, and a change in temperature of the head is presumed from the past to the present time by calculation processing, so that optimal temperature control can be performed without arranging a head temperature sensor having a correlation with the head temperature. At this time, the ejection quantity can be stabilized by changing the pulse width of a driving signal on the basis of the presumed head temperature, and ejection can be stabilized by performing restoration processing.
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