Image forming apparatus and image forming method
US7852532B2 · kind B2 · utility
1Cited by
18References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Nov 23, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6027
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image forming apparatus including: an outputting section to output a chart which has a gradation pattern in a low-density area, the gradation pattern including patches, each of the patches having a density; a reading section to read-in the density of each of the patches; a calculating section to calculate, based on the density, an adjusting value to conduct a gamma correction; and an output adjusting section to conduct an adjustment of an output in the low-density area based on the calculated adjusting value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.