Image processing apparatus
US4589034A · kind A · utility
20Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 1, 1981 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Dec 1, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/401
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image processing apparatus has analog image signal generator converter for converting an analog image signal generated by said analog image generator to a digital image signal, a comparator for comparing said image signal with a predetermined reference, and a controller for controlling the image signal in accordance with an output of the comparator to maintain a level or a gain of the image signal at a constant level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.