Ink jet recording head and apparatus in which recording is controlled in accordance with calculations involving a measured resistance
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United States of America Patent
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Aug 24, 1999
Issued Date -
N/A
app pub date -
Jul 3, 1996
filing date -
Oct 15, 1992
priority date (Note) -
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Abstract
A driving voltage of a discharging heater in an ink jet recording head is set according to property of the individual recording head. More specifically, sub-heaters are formed on a board on which discharging heaters are formed, by a same process as that for the discharging heaters. Resistance values of the sub-heaters are read so that the driving voltage of the discharging heaters can be set on the basis of the read resistance values.
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