Processing of video image signals
US5227884A · kind A · utility
3Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1991 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Aug 27, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/275
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video image processing system includes a decay processor provided in a signal path via which a video key signal is recirculated through a frame store. The decay processor includes a selector switch for determining which of a plurality of signal paths having different signal modifying characteristics is included in the recirculation path. The selector switch is controlled by a pseudo random sequence generator, thus providing novel visual effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.