Videotex terminal system using CRT display and binary-type LCD display
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United States of America Patent
Stats
-
Dec 26, 1995
Issued Date -
N/A
app pub date -
Dec 30, 1994
filing date -
Sep 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a videotex terminal system, image data has a code frame and a photo frame, and each of these frames includes dot pattern data, foreground color data, background color data, and flashing data. This type of image data can be simultaneously displayed on both a cathode ray tube display (CRT) and a liquid crystal display (LCD). These two displays are not controlled independently of each other; rather, they are controlled in association with each other by a display control unit to eliminate the need to use a complicated software program in a central processing unit (CPU) and to reduce the number of hardware components required by the system. The display control unit is particularly advantageous in that is can easily discriminate the code frame and the photo frame from each other, and it enables the system to execute a reliable display operation.
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Cited Art Landscape
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