Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1991-02-15
1995-05-02
Hjerpe, Richard
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345118, 345201, G09G 100
Patent
active
054123992
ABSTRACT:
Disclosed is an image output control apparatus which preferentially outputs video data onto a bus by use of a video priority signal and, if digital data representing characters and graphics includes data corresponding to any transparent pixel, outputs the video data onto the bus. This apparatus implements various displays of image composition involving video and digital data and ensures instantaneous transition between screens without disturbing the display.
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Hjerpe Richard
Mitsubishi Denki & Kabushiki Kaisha
Saras Steven J.
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