Image forming method and image forming apparatus
US7585045B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2007 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Mar 20, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/2135
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The image forming method of ejecting liquid droplets containing coloring material toward a recording medium from nozzles including main nozzles and subsidiary nozzles of nozzle rows of a recording head while causing relative movement between the recording medium and the recording head in a relative movement direction that is substantially perpendicular to a direction of alignment of the nozzles of each of the nozzle rows in such a manner that an image is formed by the coloring material on a recording medium, wherein the nozzle rows include first and second nozzle rows which have the main nozzles corresponding to a same coloring material of a particular color and at least one subsidiary nozzle row which includes the subsidiary nozzles corresponding to the same coloring material of the particular color; the first and second nozzle rows and the at least one subsidiary nozzle row are respectively arranged at different positions in terms of the relative movement direction; the at least one subsidiary nozzle row is disposed between the first and second nozzle rows; the subsidiary nozzles are arranged in such a manner that positions of the subsidiary nozzles projected on a straight line i…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.