Ink-jet recording apparatus with mechanism for automatically regulating a recording head
US4977459A · kind A · utility
145Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1990 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Mar 21, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink-jet apparatus in which a recorded image is read to provide a image reference signal for comparison with an image recording signal, the resulting comparison being used as a basis for diagnosing an ink injection state of a recording head nozzles in order to determine and implement an ink injection recovery process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.