Fluid ejection device with integrated ink level sensor
US9487017B2 · kind B2 · utility
40Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2012 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Nov 30, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17579
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.