Temperature compensation apparatus and recording head and apparatus using the same
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United States of America Patent
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Mar 9, 1999
Issued Date -
N/A
app pub date -
Mar 28, 1995
filing date -
Feb 19, 1990
priority date (Note) -
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Importance
Abstract
In a liquid discharging recording head having recording liquid discharging heaters for generating an energy for discharging the recording liquid and a plurality of compensating heaters for heating recording liquid, both of which are disposed on the same substrate, the plurality of compensating heaters are selectively energized in response to an output from a thermistor for sensing a temperature of the recording liquid, the energization of the compensating heaters is interrupted when a temperature of the substrate exceeds a predetermined temperature, thereby attaining temperature compensation of the recording head.
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