Etablissement Public De Diffusion Dit 'telediffusion De France'

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

Gabriel R Degoulet

Christian Jean Gautier

Gilbert M Gaucher

Claude Sechet

Christian Gauthier

The invention relates to a scratch pad memory system having a table of contents for identifying program material recorded on a magnetic tape in a cassette or cartridge with program material being recorded or changed responsive to user command. The scratch pad memory system comprising an address register, a read only storage, and having an interface for read/write storage and a text displaying terminal coupled to a television receiver for display of program material.

Scratch pad memory for cassette of magnetic tape recording

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.

Growing community of inventors

Guignen, France

Gabriel R Degoulet