Liquid jet recording apparatus and method
US5132702A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Feb 6, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/07
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A serial type liquid jet recording apparatus includes a recording head having an array of plural liquid ejecting devices arranged in a column direction to eject droplets of recording liquid on a recording material; an end portion driving circuit for driving one or more end liquid ejecting devices of the plural ejecting devices; a central portion driving circuit for driving the remaining liquid jet ejecting devices; and an adjusting device for adjusting a quantity of the droplet only from the end ejecting devices by changing a voltage level or a pulse width of a driving voltage of the end portion driving circuit independently of the central portion driving circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.