Droplet ejecting apparatus and ejection abnormality detecting/determining method for a droplet ejecting head
US7108348B2 · kind B2 · utility
7Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2004 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Dec 12, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14411
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A droplet ejecting apparatus and an ejection abnormality detecting/determining method are provided that, depending upon a capacitance change of an actuator after a droplet ejecting operation, measures the period of residual vibration on the vibration plate to thereby enable detection of an ejection abnormality and determination of a cause thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.