Noise reduction system for color television signal
US4242704A · kind A · utility
30Cited by
1References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 8, 1979 |
| Grant date | Dec 30, 1980 |
| Priority date | — |
| Expiry date | Mar 8, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/646
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A noise reduction system for improving the signal-to-noise ratio of a color television signal wherein a first television frame portion is recursively added to an immediately subsequent second television frame portion and the addition apparatus is controlled in response to the signal level difference between said first and second frame portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.