Ejection control using imager
US11135854B2 · kind B2 · utility
0Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2019 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | Nov 13, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00761
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A printing system includes a substrate support, a printhead assembly positioned facing the substrate support, and an imager. The printhead assembly includes a plurality of dispensing nozzles extending in an ejection direction towards the substrate support and a plurality of marks. The imager is movable relative to the printhead assembly and oriented in a direction opposite to the ejection direction for capturing at least one image including the plurality of marks indicating positions of the plurality of dispensing nozzles in the printhead assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.