Ink jet cartridge and ink tank
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United States of America Patent
Stats
-
Sep 24, 1991
Grant Date -
N/A
app pub date -
Jan 10, 1990
filing date -
Jan 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ink jet cartridge for ink jet printer has an ink jet unit having discharge ports for discharging an ink, an ink tank formed integrally with the ink jet unit and accommodating an ink absorption member which is impregnated with the ink to be discharged from the discharge ports, and electrodes held in contact with or inserted into the ink absorption member for the purpose of detecting the quantity of the ink remaining in the ink tank.
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Family
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Cited Art Landscape
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