Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head
US6102512A · kind A · utility
16Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1997 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Mar 14, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A piezoelectric element is driven by a predetermined pulse width in the range of 60 to 100% of the Helmholtz resonance vibration period of an ink vibration system comprising an orifice, a pressurizing chamber, a restrictor, the piezoelectric element, and an elastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.