Driving device for a liquid ejection head
US9895882B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2016 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Oct 13, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/04593
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A driving device for a liquid ejection head is configured to drive a plurality of piezoelectric elements of a liquid ejection head, the liquid ejection head including a plurality of ejection orifices configured to eject liquid and the plurality of piezoelectric elements configured to generate energy for ejecting liquid from the plurality of ejection orifices. The driving device includes a control circuit unit including storage sections and transfer circuits, and a drive circuit unit including a plurality of individual drive circuit sections. The control circuit unit is an integrated circuit which is different from the drive circuit unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.