Ink jet head
US8070256B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 18, 2007 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | May 14, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J19/145
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet head includes (A) a first black nozzle column having a plurality of nozzles arranged at a predetermined pitch in a transportation direction of a medium and discharging black ink, (B) a second black nozzle column having a plurality of nozzles arranged at the predetermined pitch in the transportation direction and located at positions shifted from the plurality of nozzles of the first black nozzle column in the transportation direction and discharging the black ink, and (C) a color nozzle column having a plurality of nozzles arranged at the predetermined pitch in the transportation direction and located at the same positions as the plurality of nozzles of the second black nozzle column in the transportation direction and discharging different colors of ink from different groups of nozzles thereof, each group including a predetermined number of nozzles consecutively disposed in the transportation direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.