Ink jet printer
US6024438A · kind A · utility
20Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1996 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Nov 26, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40087
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A plurality of heads with a plurality types of ink each having a different density for the same color filled therein and ejecting the ink are provided, and also a control means for controlling volume of ink drops ejected for each dot is provided. When forming a pixel, a head is selected by the control means with volume of ink drops ejected from each head controlled, and two or more types of ink are ejected at one position with varied dot diameter for representation of density gradations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.