Image forming device for reproducing a half-tone image
US4680646A · kind A · utility
29Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1984 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Aug 28, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00054
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided an image forming device wherein a half-tone pattern having a recording portion and non-recording portion is formed on a recording medium, a value corresponding to the image density of the half-tone pattern is detected, and a high quality half-tone is obtained by controlling image signals by the above detection output or quantization means for the binary or multi-value conversion of image signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.