Recording head which detects temperature of an element chip and corrects for variations in that detected temperature, and cartridge and apparatus having such a head
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United States of America Patent
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Dec 9, 1997
Grant Date -
N/A
app pub date -
Dec 9, 1994
filing date -
Dec 10, 1993
priority date (Note) -
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Abstract
A liquid ejecting recording head using thermal energy to eject liquid for recording an image, includes an element chip having a plurality of electrothermal transducer elements for producing thermal energy to create bubbles to ejecto the liquid; a temperature detecting element disposed on the element chip to detect a temperature of the chip; liquid passages, disposed on the chip, corresponding to the electrothermal transducer elements having an opening at an end; correcting means for correcting an output of the temperature detecting element.
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