Device for the digital transmission and display of graphics and/or of characters on a screen
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United States of America Patent
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-
Jan 3, 1984
Grant Date -
N/A
app pub date -
Sep 9, 1980
filing date -
Sep 12, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a device for the digital transmission and display of graphics and/or of characters on a screen, the device comprising a terminal connected to a transmission network, to a graphic acquisition device and to a unit for display on a screen. Each terminal comprises a storage unit which, according to the invention, comprises a plurality of storage assemblies validatable in parallel, each storage assembly comprising a circuit effecting a logic combination between an input word and the word already written at the address indicated. The invention is more particularly applicable to the production of telewriting systems or of combined systems of telewriting and videotext (viewdata).
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