Picture signal processing apparatus having a temporal filter and a picture-in-picture function
US5115313A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1989 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A picture signal processing apparatus of a TV set, which has a picture signal memory/processing circuit to which picture signals are inputted. This picture signal memory/processing circuit includes a frame memory and has two alternative functions. One of the functions is to apply LPF processing in a temporal domain to a high frequency signal component, and the other function is to take out and output a still picture signal from the picture signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.