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Douglas E Stell: Apparatus for combining a video signal with graphics and text from a computer. Digital Equipment Corporation, Cesari and McKenna, February 5, 1985: US04498098 (140 worldwide citation)

Apparatus for combining video signals from a video source, such as a video disc player, with computer-generated graphics/text output on a single display, for overlaying the two. The computer-generated video is provided in RGB format; the other video is converted to RGB format if not already in that ...


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Stell Douglas E: Appareil pour combiner un signal video avec un graphique ou un texte produit par un ordinateur, Apparatus for combining a video signal with graphics and text from a computer. Digital Equipment Corporation, SMART & BIGGAR, April 9, 1985: CA1185377

Abstract of the Disclosure Apparatus for combining video signals from a videosource, such as a video disc player (20), with computer-generated graphics/text output on a single display, foroverlaying the two. The computer-generated video isprovided in RGB format (52); the other video is converted(80) ...