Ink jet cartridge and ink tank
US5051759A · kind A · utility
51Cited by
12References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1990 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | Jan 10, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17579
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.