Image forming apparatus which effects output gray level correction
US5422740A · kind A · utility
9Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1993 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Apr 14, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/407
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an image forming apparatus according to the present invention, characteristics correcting data for correcting input gray level-output gray level characteristics for each of a plurality of steps into which input gray levels are divided are inputted by inputting means. At the time of image formation processing, input gray level-output gray level characteristic data are corrected on the basis of each of the characteristics correcting data inputted by the inputting means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.