Ink-jet printhead for high resolution printing and method for operating same
US5943072A · kind A · utility
8Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Oct 8, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/2103
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The printhead according to the present invention is mechanically and electrically interchangeable on an ink jet dot printer with a known head, from which it differs substantially by having a different geometrical disposition of the nozzles, arranged in two parallel vertical rows at a constant pitch of 1/150.sup.th of an inch, where the corresponding nozzles of the two rows are staggered by 1/1600.sup.th of an inch in order to allow printing with a definition of at least 600.times.600 dots/inch by performing two consecutive print passes spaced apart by a line feed movement of value equal to 1/300.sup.th of an inch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.