Drop detector assembly and method
US8770707B2 · kind B2 · utility
1Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Sep 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/2142
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A drop detector assembly includes an ejection element formed on a substrate to eject a fluid drop, and a light detector formed on the substrate to detect light scattered off of the fluid drop. A fluid drop ejected from a nozzle formed in a transparent nozzle plate scatters light that is detected through the transparent nozzle plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.