Apparatus for converting video signal
US6226040A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 14, 1998 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Apr 14, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/0105
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus for generating at least a selected area in a picture is disclosed herein. The picture and the selected area are displayed on a video display means, and the user can optionally adjust the position and size of the selected area. The apparatus including the following devices. A first converting device that is used to generate a digital signal and a pointer defining signal according to a computer video signal. The picture is transferred from the computer video signal, and the selected area is defined in the pointer defining signal. A first adapting device that is utilized to adapt the format of the computer video signal to suit a digital display format corresponding to the pointer defining signal. A storage device determines said display timing of all the pixels of the picture. A pointer generating device generates a plurality of edge of the selected area according to the pointer defining signal. The pointer generates device defines the color and brightness of all the pixels of the picture and the selected area, and the plurality of edge of the selected area can be moved dynamically according to the pointer defining signal. A second converting device converts the output signa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.