Inkjet recording apparatus
US7384112B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2006 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Dec 2, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet recording apparatus for recording an image on a recording medium, including a recording head, a drive circuit and a control device. The head includes an ink passage, a nozzle communicated with the passage, an actuator applying energy to ink in the passage to eject a droplet of the ink from the nozzle onto the medium. The drive circuit outputs a signal for driving the actuator to eject the ink droplet such that at least three ink droplets are ejected for printing one dot. The control device controls operation of the circuit and includes a high-temperature control portion and a low-temperature control portion. The former portion operates, in a first case where an environmental temperature is higher than a threshold, to control the circuit to output a first kind of the signal according to which a dot is formed by a number of ink droplets ejected in series and landing on the medium sequentially in the order of ejection. The latter portion operates, in a second case where the environmental temperature is not higher than the threshold, to control the circuit to output a second kind of the signal according to which a dot is formed by the same number of ink droplets as in the fir…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.