Invention Grant
- Patent Title: Fluid ejection device with integrated ink level sensor
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Application No.: US15287008Application Date: 2016-10-06
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Publication No.: US09776412B2Publication Date: 2017-10-03
- Inventor: Ning Ge , Joseph M. Torgerson , Patrick Leonard
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Houston
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Houston
- Agent Fabian Van Cott
- Main IPC: B41J2/175
- IPC: B41J2/175 ; B41J2/165 ; B41J2/045 ; B41J2/14
Abstract:
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.
Public/Granted literature
- US20170021626A1 FLUID EJECTION DEVICE WITH INTEGRATED INK LEVEL SENSOR Public/Granted day:2017-01-26
Information query
IPC分类:
