Ink jet recording apparatus and ink jet recording head
US6471321B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2000 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Sep 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14379
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet recording apparatus includes an ink jet recording head provided with a discharge port for discharging ink, an ink flow path communicating with the discharge port, and at least two heat generating elements provided in the ink flow path along the direction thereof, wherein the ink is pigment-based ink and the recording head comprises drive signal supply means for varying the supply timing of drive signals to the plural heat generating elements for ink discharge in such a manner that the drive signal is at first given to the heat generating element at the side of the discharge port at room temperature and the supply timings to the plural heat generating members become simultaneous or closer thereto with an increase in the temperature of the recording head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.