Fluid ejection device with integrated ink level sensor

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United States of America Patent

PATENT NO 9776412
APP PUB NO 20170021626A1
SERIAL NO

15287008

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In an embodiment, a fluid ejection device includes an ink slot formed in a printhead die. The fluid ejection device also includes a printhead-integrated ink level sensor (PILS) to sense an ink level of a chamber in fluid communication with the slot, and a clearing resistor circuit disposed within the chamber to clear the chamber of ink.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ge, Ning Palo Alto, US 237 623
Leonard, Patrick Leixlip, IE 36 280
Torgerson, Joseph M Philomath, US 65 745

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