Apparatus for processing multiple types of graphics data for display
US5943064A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 15, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Nov 15, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A controller card is provided that allows the processing and display of two types of graphics pixel data for display in two environments. The card contains a first graphics controller chip coupled to the video capture port of a second graphics controller chip. In a first mode the first chip may generate graphics pixel data for display in a first environment. The pixel data is stored in the memory of the second chip reserved for graphics pixel data and transmitted to a display device coupled to the second chip. In a second mode, the video capture port may be coupled to a video source so that data captured in the video port is stored in the memory of the chip reserved for video pixel data. The second chip may then process and output to the display device both video pixel data and a second type of graphics pixel data generated by the second chip and stored in the memory of the second chip reserved for graphics pixel data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.