Printhead drop detectors
US10300693B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2015 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Jul 2, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/2142
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In some examples, a printhead drop detector comprises a plurality of drop detection units. Each drop detection unit may comprise a radiation source and radiation detector and may be to detect a drop passing through a sampling volume between the radiation source and the radiation detector. A radiation detector of a first drop detection unit and a radiation source of a second drop detection unit is arranged on a first side of the sampling volume; and a radiation source of the first drop detection unit and a radiation detector of the second drop detection unit is arranged on the second side of the sampling volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.