H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/34
H04N 7/00 (2006.01) H04N 7/035 (2006.01)
Patent
CA 1161546
ABSTRACT OF THE DISCLOSURE Videotex system provided with protection means against transmission errors; the invention provides for the introduction of a redundant sequence of control codes, at least for the main controls. Supplementary codes are associated with conventional codes to form redundant sequences, said codes having no particular significance for receivers not equipped with redundancy exploitation elements. It can be used in the trans- mission and display of data on television receivers for entertainment, information or instructional purposes.
352068
Fournier Claude
Marti Bernard
Poignet Alain
Roche Christian
Etablissement Public de Diffusion Dit "telediffusion de France"
Fournier Claude
Goudreau Gage Dubuc
Roche Christian
LandOfFree
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