Drop detection methods and apparatus for use with drop dispensing apparatus
US9492999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2015 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Jan 2, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2035/1034
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Drop detection are disclosed. An example liquid dispensing device includes a controller to control dispensing of a first drop from a first orifice and a second drop from a second orifice, a sensor to monitor the first orifice to detect at least one of a presence or an absence of a drop from the first orifice and, in response to the sensor detecting an absence of the first drop, the controller is to classify the first orifice as at least one of occluded or non-functioning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.