Ink jet printing apparatus
US4437101A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 1982 |
| Grant date | Mar 13, 1984 |
| Priority date | — |
| Expiry date | May 3, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/13
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In an ink jet printing apparatus wherein an ink ejection head is loaded on a carriage and, while the carriage moves relative to a sheet of paper, ink droplets are ejected from the head to be charged and deflected to impinge on the sheet of paper, a shape or a position of a conductive member carried on the carriage is varied to develop an electric field which is asymmetrical with respect to a predetermined plane in which charged ink droplets coming out from a charging electrode are to be deflected. The conductive member is constituted by a cover of the carriage, a shield plate, a gutter, a compensating electrode plate, a deflection electrode or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.