Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1995-04-18
1997-03-18
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
395128, G09G 300
Patent
active
056127154
ABSTRACT:
A computer system that supports an advanced operating system and advanced application programs that create high resolution images for display and further supports old operating system and application software that run as subordinate processes to the advanced operating system of the computer and which create low resolution images for display, wherein images from both the advanced and old software are displayed, at high resolution, simultaneously on the computer system's display device, typically in separate windows, has a high resolution graphics control pathway and a low resolution graphics control pathway, both for displaying images over the entire viewable area of a display device. In this way, when one of the images seen in a high resolution window is an image generated by software that only produces enough data to drive a low resolution display, that image can be redisplayed at the resolution that it was originally intended to be displayed at, in order to see that image more clearly.
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Karaki Nobuo
Nakamura Jinichi
Hjerpe Richard
Mengistu Amare
Seiko Epson Corporation
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