Etablissement Public De Diffusion Dit 'telediffusion De France'

L'etat Francais, Represente Par Le Secretaire D'etat Aux Postes Et

Gilbert M Gaucher

Gabriel R Degoulet

Christian Jean Gautier

Christian Gauthier

Television system using a marking code superimposed on a picture. According to the invention, this code is constituted by a strip located in the right-hand part of the picture and formed by a periodic sequence of white and black areas constituting a clock and by a strip located in the left-hand part of the picture and formed by a sequence of white or black areas constituting the actual code. A decoder detects the presence of clock signals and compares the code received with stored codes.

Television system using a marking code superimposed on the picture

An arrangement for the electrical control of the keyboard of a video or audio tape recorder includes electromechanical levers acting on the usual rod system associated with the keyboard in substitution of the conventional keys. The levers are essentially bellcranks and are associated with tumblers and electromagnets.

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Chateaugiron, France

Gilbert M Gaucher