Method for driving ink jet recording head and ink jet recorder
US6962398B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2001 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Sep 21, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/055
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of driving an ink jet recording head, and an ink jet recording apparatus. A driving wave form for driving a piezoelectric actuator includes a first voltage changing process to compress a pressure generating chamber with a rise time of t1, and a second voltage changing process to expand the pressure generating chamber with a fall time of t3 after the voltage is maintained during a time of t2. The start time, the voltage changing time, and the voltage variation of the second voltage changing process are set so that, in a room temperature environment, a first peak value v1 and a second peak value v1 of particle velocity generated at the nozzle section satisfy the condition: 0.3≦v2/v1≦0.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.