Apparatus and method for driving an ink-jet printhead
US7216959B2 · kind B2 · utility
0Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2004 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Mar 23, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/0458
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for driving an ink-jet printhead in which current is applied to a heater to heat ink to be supplied in an ink chamber to generate a bubble to eject ink from the ink chamber, the apparatus including a circuit that alternately applies current to the heater to alternate a direction of current flowing through the heater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.