Image forming apparatus capable of producing high quality halftone images
US5565907A · kind A · utility
15Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1994 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Apr 20, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K15/1223
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image forming apparatus capable of producing a high quality halftone image stably and rendering faithful tonality. For a bilevel image, the apparatus smooths the boundary between black and white. For a multilevel image, the apparatus obviates solitary dots for thereby causing dots to concentrate. As a result, a bilevel image and a multilevel image are provided with a clear boundary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.