Computer graphics processing and selective visual display system – Computer graphic processing system – Plural graphics processors
Patent
1997-11-15
1999-08-24
Tung, Kee M.
Computer graphics processing and selective visual display system
Computer graphic processing system
Plural graphics processors
345132, 345507, G06F 1516
Patent
active
059430648
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.
REFERENCES:
patent: 5517612 (1996-05-01), Dwin et al.
patent: 5808630 (1998-09-01), Pannell
Trident MicroSystems, Inc.
Tung Kee M.
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