Computer based video/graphics display system
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United States of America Patent
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-
Jun 25, 1991
Grant Date -
N/A
app pub date -
Dec 6, 1989
filing date -
Dec 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A computer based video/graphics display system includes a computer system (22) having a graphics generator (24). A video signal from a video source (28) is fed through an input stage (26) to an asynchronous converter (30). The converter (30) synchronises the video signal to the graphics generator (24). The output from the asynchronous converter (30) and the output from the graphics generator (24) are fed to a fading/mixing matrix (34). The combined signal output from the fading/mixing matrix is fed to a computer display monitor (14). The system allows the mixing or windowing of computer graphics and a video image on a common display.
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