Method of and a system for color separation
US4180330A · kind A · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1977 |
| Grant date | Dec 25, 1979 |
| Priority date | — |
| Expiry date | May 18, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/488
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Light beams scans patterns of a subject copy, being reflected therefrom, and being converted into pulsating electrical signals. Color borders between two different colored patterns are detected based on the pulsating signals. On the other hand, a color of a predetermined scanned line following each of the color borders is sensed for determining the sensed color as a color between the adjacent color borders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.