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).
Type:
Grant
Filed:
September 9, 1980
Date of Patent:
January 3, 1984
Assignees:
Etablissement Public de Diffusion dit Telediffusion de France, Bernard Lorig
Inventors:
Bernard Lorig, Jean-Claude Rahuel, Catherine Roux